diff --git a/.kokoro/presubmit/snippets-3.8.cfg b/.kokoro/presubmit/snippets-3.8.cfg
deleted file mode 100644
index 840d9e716..000000000
--- a/.kokoro/presubmit/snippets-3.8.cfg
+++ /dev/null
@@ -1,7 +0,0 @@
-# Format: //devtools/kokoro/config/proto/build.proto
-
-# Only run this nox session.
-env_vars: {
-    key: "NOX_SESSION"
-    value: "snippets-3.8"
-}
diff --git a/.kokoro/presubmit/system-3.8.cfg b/.kokoro/presubmit/system-3.8.cfg
deleted file mode 100644
index f4bcee3db..000000000
--- a/.kokoro/presubmit/system-3.8.cfg
+++ /dev/null
@@ -1,7 +0,0 @@
-# Format: //devtools/kokoro/config/proto/build.proto
-
-# Only run this nox session.
-env_vars: {
-    key: "NOX_SESSION"
-    value: "system-3.8"
-}
\ No newline at end of file
diff --git a/.kokoro/samples/python3.7/common.cfg b/.kokoro/samples/python3.7/common.cfg
deleted file mode 100644
index d30dc6018..000000000
--- a/.kokoro/samples/python3.7/common.cfg
+++ /dev/null
@@ -1,40 +0,0 @@
-# Format: //devtools/kokoro/config/proto/build.proto
-
-# Build logs will be here
-action {
-  define_artifacts {
-    regex: "**/*sponge_log.xml"
-  }
-}
-
-# Specify which tests to run
-env_vars: {
-    key: "RUN_TESTS_SESSION"
-    value: "py-3.7"
-}
-
-# Declare build specific Cloud project.
-env_vars: {
-    key: "BUILD_SPECIFIC_GCLOUD_PROJECT"
-    value: "python-docs-samples-tests-py37"
-}
-
-env_vars: {
-    key: "TRAMPOLINE_BUILD_FILE"
-    value: "github/python-bigquery/.kokoro/test-samples.sh"
-}
-
-# Configure the docker image for kokoro-trampoline.
-env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/python-samples-testing-docker"
-}
-
-# Download secrets for samples
-gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/python-docs-samples"
-
-# Download trampoline resources.
-gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/trampoline"
-
-# Use the trampoline script to run in docker.
-build_file: "python-bigquery/.kokoro/trampoline_v2.sh"
\ No newline at end of file
diff --git a/.kokoro/samples/python3.7/continuous.cfg b/.kokoro/samples/python3.7/continuous.cfg
deleted file mode 100644
index a1c8d9759..000000000
--- a/.kokoro/samples/python3.7/continuous.cfg
+++ /dev/null
@@ -1,6 +0,0 @@
-# Format: //devtools/kokoro/config/proto/build.proto
-
-env_vars: {
-    key: "INSTALL_LIBRARY_FROM_SOURCE"
-    value: "True"
-}
\ No newline at end of file
diff --git a/.kokoro/samples/python3.7/periodic-head.cfg b/.kokoro/samples/python3.7/periodic-head.cfg
deleted file mode 100644
index 5aa01bab5..000000000
--- a/.kokoro/samples/python3.7/periodic-head.cfg
+++ /dev/null
@@ -1,11 +0,0 @@
-# Format: //devtools/kokoro/config/proto/build.proto
-
-env_vars: {
-    key: "INSTALL_LIBRARY_FROM_SOURCE"
-    value: "True"
-}
-
-env_vars: {
-    key: "TRAMPOLINE_BUILD_FILE"
-    value: "github/python-bigquery/.kokoro/test-samples-against-head.sh"
-}
diff --git a/.kokoro/samples/python3.7/periodic.cfg b/.kokoro/samples/python3.7/periodic.cfg
deleted file mode 100644
index 71cd1e597..000000000
--- a/.kokoro/samples/python3.7/periodic.cfg
+++ /dev/null
@@ -1,6 +0,0 @@
-# Format: //devtools/kokoro/config/proto/build.proto
-
-env_vars: {
-    key: "INSTALL_LIBRARY_FROM_SOURCE"
-    value: "False"
-}
diff --git a/.kokoro/samples/python3.7/presubmit.cfg b/.kokoro/samples/python3.7/presubmit.cfg
deleted file mode 100644
index a1c8d9759..000000000
--- a/.kokoro/samples/python3.7/presubmit.cfg
+++ /dev/null
@@ -1,6 +0,0 @@
-# Format: //devtools/kokoro/config/proto/build.proto
-
-env_vars: {
-    key: "INSTALL_LIBRARY_FROM_SOURCE"
-    value: "True"
-}
\ No newline at end of file
diff --git a/.kokoro/samples/python3.8/common.cfg b/.kokoro/samples/python3.8/common.cfg
deleted file mode 100644
index 46759c6d6..000000000
--- a/.kokoro/samples/python3.8/common.cfg
+++ /dev/null
@@ -1,40 +0,0 @@
-# Format: //devtools/kokoro/config/proto/build.proto
-
-# Build logs will be here
-action {
-  define_artifacts {
-    regex: "**/*sponge_log.xml"
-  }
-}
-
-# Specify which tests to run
-env_vars: {
-    key: "RUN_TESTS_SESSION"
-    value: "py-3.8"
-}
-
-# Declare build specific Cloud project.
-env_vars: {
-    key: "BUILD_SPECIFIC_GCLOUD_PROJECT"
-    value: "python-docs-samples-tests-py38"
-}
-
-env_vars: {
-    key: "TRAMPOLINE_BUILD_FILE"
-    value: "github/python-bigquery/.kokoro/test-samples.sh"
-}
-
-# Configure the docker image for kokoro-trampoline.
-env_vars: {
-    key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/python-samples-testing-docker"
-}
-
-# Download secrets for samples
-gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/python-docs-samples"
-
-# Download trampoline resources.
-gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/trampoline"
-
-# Use the trampoline script to run in docker.
-build_file: "python-bigquery/.kokoro/trampoline_v2.sh"
\ No newline at end of file
diff --git a/.kokoro/samples/python3.8/continuous.cfg b/.kokoro/samples/python3.8/continuous.cfg
deleted file mode 100644
index a1c8d9759..000000000
--- a/.kokoro/samples/python3.8/continuous.cfg
+++ /dev/null
@@ -1,6 +0,0 @@
-# Format: //devtools/kokoro/config/proto/build.proto
-
-env_vars: {
-    key: "INSTALL_LIBRARY_FROM_SOURCE"
-    value: "True"
-}
\ No newline at end of file
diff --git a/.kokoro/samples/python3.8/periodic-head.cfg b/.kokoro/samples/python3.8/periodic-head.cfg
deleted file mode 100644
index 5aa01bab5..000000000
--- a/.kokoro/samples/python3.8/periodic-head.cfg
+++ /dev/null
@@ -1,11 +0,0 @@
-# Format: //devtools/kokoro/config/proto/build.proto
-
-env_vars: {
-    key: "INSTALL_LIBRARY_FROM_SOURCE"
-    value: "True"
-}
-
-env_vars: {
-    key: "TRAMPOLINE_BUILD_FILE"
-    value: "github/python-bigquery/.kokoro/test-samples-against-head.sh"
-}
diff --git a/.kokoro/samples/python3.8/periodic.cfg b/.kokoro/samples/python3.8/periodic.cfg
deleted file mode 100644
index 71cd1e597..000000000
--- a/.kokoro/samples/python3.8/periodic.cfg
+++ /dev/null
@@ -1,6 +0,0 @@
-# Format: //devtools/kokoro/config/proto/build.proto
-
-env_vars: {
-    key: "INSTALL_LIBRARY_FROM_SOURCE"
-    value: "False"
-}
diff --git a/.kokoro/samples/python3.8/presubmit.cfg b/.kokoro/samples/python3.8/presubmit.cfg
deleted file mode 100644
index a1c8d9759..000000000
--- a/.kokoro/samples/python3.8/presubmit.cfg
+++ /dev/null
@@ -1,6 +0,0 @@
-# Format: //devtools/kokoro/config/proto/build.proto
-
-env_vars: {
-    key: "INSTALL_LIBRARY_FROM_SOURCE"
-    value: "True"
-}
\ No newline at end of file
diff --git a/README.rst b/README.rst
index f81adc4b9..298be3e00 100644
--- a/README.rst
+++ b/README.rst
@@ -52,11 +52,11 @@ dependencies.
 
 Supported Python Versions
 ^^^^^^^^^^^^^^^^^^^^^^^^^
-Python >= 3.7
+Python >= 3.9
 
 Unsupported Python Versions
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
-Python == 2.7, Python == 3.5, Python == 3.6.
+Python == 2.7, Python == 3.5, Python == 3.6, Python == 3.7, Python == 3.8.
 
 The last version of this library compatible with Python 2.7 and 3.5 is
 `google-cloud-bigquery==1.28.0`.
diff --git a/google/cloud/bigquery/__init__.py b/google/cloud/bigquery/__init__.py
index caf75333a..5c832dd47 100644
--- a/google/cloud/bigquery/__init__.py
+++ b/google/cloud/bigquery/__init__.py
@@ -126,12 +126,12 @@
 
 if sys_major == 3 and sys_minor in (7, 8):
     warnings.warn(
-        "The python-bigquery library will stop supporting Python 3.7 "
-        "and Python 3.8 in a future major release expected in Q4 2024. "
+        "The python-bigquery library no longer supports Python 3.7 "
+        "and Python 3.8. "
         f"Your Python version is {sys_major}.{sys_minor}.{sys_micro}. We "
         "recommend that you update soon to ensure ongoing support. For "
         "more details, see: [Google Cloud Client Libraries Supported Python Versions policy](https://cloud.google.com/python/docs/supported-python-versions)",
-        PendingDeprecationWarning,
+        DeprecationWarning,
     )
 
 __all__ = [
diff --git a/google/cloud/bigquery/external_config.py b/google/cloud/bigquery/external_config.py
index 73c4acabf..fc33a9c41 100644
--- a/google/cloud/bigquery/external_config.py
+++ b/google/cloud/bigquery/external_config.py
@@ -22,6 +22,7 @@
 
 import base64
 import copy
+import typing
 from typing import Any, Dict, FrozenSet, Iterable, Optional, Union
 
 from google.cloud.bigquery._helpers import _to_bytes
@@ -835,11 +836,15 @@ def schema(self):
         See
         https://cloud.google.com/bigquery/docs/reference/rest/v2/tables#ExternalDataConfiguration.FIELDS.schema
         """
+
         prop = self._properties.get("schema", {})
-        return [SchemaField.from_api_repr(field) for field in prop.get("fields", [])]
+        return [
+            SchemaField.from_api_repr(field)
+            for field in typing.cast(dict, prop).get("fields", [])
+        ]
 
     @schema.setter
-    def schema(self, value):
+    def schema(self, value: Union[list, dict, None]):
         prop = value
         if value is not None:
             prop = {"fields": [field.to_api_repr() for field in value]}
diff --git a/noxfile.py b/noxfile.py
index e08956b11..ac2a76a74 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -24,7 +24,7 @@
 
 
 MYPY_VERSION = "mypy==1.6.1"
-PYTYPE_VERSION = "pytype==2021.4.9"
+PYTYPE_VERSION = "pytype==2024.9.13"
 BLACK_VERSION = "black==23.7.0"
 BLACK_PATHS = (
     "benchmark",
@@ -37,9 +37,9 @@
     "setup.py",
 )
 
-DEFAULT_PYTHON_VERSION = "3.8"
-SYSTEM_TEST_PYTHON_VERSIONS = ["3.8", "3.11", "3.12"]
-UNIT_TEST_PYTHON_VERSIONS = ["3.7", "3.8", "3.12"]
+DEFAULT_PYTHON_VERSION = "3.10"
+SYSTEM_TEST_PYTHON_VERSIONS = ["3.9", "3.12", "3.13"]  # oldest, two most recent
+UNIT_TEST_PYTHON_VERSIONS = ["3.9", "3.12", "3.13"]  # oldest, two most recent
 CURRENT_DIRECTORY = pathlib.Path(__file__).parent.absolute()
 
 
@@ -103,7 +103,8 @@ def default(session, install_extras=True):
         constraints_path,
     )
 
-    if install_extras and session.python in ["3.11", "3.12"]:
+    # Testing two highest versions with extras
+    if install_extras and session.python in UNIT_TEST_PYTHON_VERSIONS[-2:]:
         install_target = ".[bqstorage,ipywidgets,pandas,tqdm,opentelemetry]"
     elif install_extras:
         install_target = ".[all]"
@@ -136,6 +137,7 @@ def unit(session):
     default(session)
 
 
+# Testing lowest and highest with no extras
 @nox.session(python=[UNIT_TEST_PYTHON_VERSIONS[0], UNIT_TEST_PYTHON_VERSIONS[-1]])
 @_calculate_duration
 def unit_noextras(session):
@@ -149,7 +151,7 @@ def unit_noextras(session):
     # so that it continues to be an optional dependency.
     # https://github.com/googleapis/python-bigquery/issues/1877
     if session.python == UNIT_TEST_PYTHON_VERSIONS[0]:
-        session.install("pyarrow==1.0.0")
+        session.install("pyarrow==5.0.0")
 
     default(session, install_extras=False)
 
@@ -222,7 +224,7 @@ def system(session):
     # Resource Manager needed for test with a real Resource Tag.
     session.install("google-cloud-resource-manager", "-c", constraints_path)
 
-    if session.python in ["3.11", "3.12"]:
+    if session.python in SYSTEM_TEST_PYTHON_VERSIONS[-2]:  # two most recent
         extras = "[bqstorage,ipywidgets,pandas,tqdm,opentelemetry]"
     else:
         extras = "[all]"
@@ -266,8 +268,6 @@ def mypy_samples(session):
         "types-setuptools",
     )
 
-    session.install("typing-extensions")  # for TypedDict in pre-3.8 Python versions
-
     session.run(
         "mypy",
         "--config-file",
@@ -291,7 +291,8 @@ def snippets(session):
     session.install("google-cloud-storage", "-c", constraints_path)
     session.install("grpcio", "-c", constraints_path)
 
-    if session.python in ["3.11", "3.12"]:
+    # Testing snippets against two most recent versions
+    if session.python in UNIT_TEST_PYTHON_VERSIONS[-2:]:
         extras = "[bqstorage,ipywidgets,pandas,tqdm,opentelemetry]"
     else:
         extras = "[all]"
diff --git a/pyproject.toml b/pyproject.toml
index ecf21d922..bec49f848 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ build-backend = "setuptools.build_meta"
 name = "google-cloud-bigquery"
 authors = [{ name = "Google LLC", email = "googleapis-packages@google.com" }]
 license = { text = "Apache 2.0" }
-requires-python = ">=3.7"
+requires-python = ">=3.9"
 description = "Google BigQuery API client library"
 readme = "README.rst"
 classifiers = [
@@ -33,12 +33,11 @@ classifiers = [
   "License :: OSI Approved :: Apache Software License",
   "Programming Language :: Python",
   "Programming Language :: Python :: 3",
-  "Programming Language :: Python :: 3.7",
-  "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Operating System :: OS Independent",
   "Topic :: Internet",
 ]
@@ -76,7 +75,6 @@ pandas = [
   "pandas >= 1.1.0",
   "pyarrow >= 3.0.0",
   "db-dtypes >= 0.3.0, < 2.0.0dev",
-  "importlib_metadata >= 1.0.0; python_version < '3.8'",
 ]
 ipywidgets = ["ipywidgets >= 7.7.0", "ipykernel >= 6.0.0"]
 geopandas = ["geopandas >= 0.9.0, < 2.0dev", "Shapely >= 1.8.4, < 3.0.0dev"]
diff --git a/samples/desktopapp/user_credentials_test.py b/samples/desktopapp/user_credentials_test.py
index 252b843c4..d14798d9b 100644
--- a/samples/desktopapp/user_credentials_test.py
+++ b/samples/desktopapp/user_credentials_test.py
@@ -13,7 +13,6 @@
 # limitations under the License.
 
 import os
-import sys
 from typing import Iterator, Union
 from unittest import mock
 
@@ -24,13 +23,7 @@
 
 PROJECT = os.environ["GOOGLE_CLOUD_PROJECT"]
 
-
-if sys.version_info >= (3, 8):
-    # Python 3.8+ has an AsyncMock attribute in unittest.mock, but 3.7 does not
-    MockType = Union[mock.MagicMock, mock.AsyncMock]
-else:
-    # Other definitions and imports
-    MockType = Union[mock.MagicMock]
+MockType = Union[mock.MagicMock, mock.AsyncMock]
 
 
 @pytest.fixture
diff --git a/samples/magics/conftest.py b/samples/magics/conftest.py
index 55ea30f90..5b8ed3fe0 100644
--- a/samples/magics/conftest.py
+++ b/samples/magics/conftest.py
@@ -18,7 +18,7 @@
 import pytest
 
 if typing.TYPE_CHECKING:
-    from IPython.core.interactiveshell import TerminalInteractiveShell
+    from IPython.terminal.interactiveshell import TerminalInteractiveShell
 
 interactiveshell = pytest.importorskip("IPython.terminal.interactiveshell")
 tools = pytest.importorskip("IPython.testing.tools")
@@ -40,5 +40,6 @@ def ipython_interactive(
 
     for the duration of the test scope.
     """
-    with ipython.builtin_trap:
-        yield ipython
+    if ipython.builtin_trap is not None:
+        with ipython.builtin_trap:
+            yield ipython
diff --git a/samples/notebooks/jupyter_tutorial_test.py b/samples/notebooks/jupyter_tutorial_test.py
index 2c2cf9390..388869d71 100644
--- a/samples/notebooks/jupyter_tutorial_test.py
+++ b/samples/notebooks/jupyter_tutorial_test.py
@@ -45,8 +45,10 @@ def ipython_interactive(
 
     for the duration of the test scope.
     """
-    with ipython.builtin_trap:
-        yield ipython
+
+    if ipython.builtin_trap is not None:
+        with ipython.builtin_trap:
+            yield ipython
 
 
 def _strip_region_tags(sample_text: str) -> str:
diff --git a/samples/notebooks/noxfile.py b/samples/notebooks/noxfile.py
index c9a3d1ecb..5ad80866d 100644
--- a/samples/notebooks/noxfile.py
+++ b/samples/notebooks/noxfile.py
@@ -89,7 +89,7 @@ def get_pytest_env_vars() -> Dict[str, str]:
 
 # DO NOT EDIT - automatically generated.
 # All versions used to test samples.
-ALL_VERSIONS = ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+ALL_VERSIONS = ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
 # Any default versions that should be ignored.
 IGNORED_VERSIONS = TEST_CONFIG["ignored_versions"]
@@ -231,6 +231,7 @@ def _session_tests(
 
     session.run(
         "pytest",
+        "-s",
         *(PYTEST_COMMON_ARGS + session.posargs + concurrent_args),
         # Pytest will return 5 when no tests are collected. This can happen
         # on travis where slow and flaky tests are excluded.
diff --git a/samples/notebooks/requirements-test.txt b/samples/notebooks/requirements-test.txt
index 827b02dcf..b0bd3e54f 100644
--- a/samples/notebooks/requirements-test.txt
+++ b/samples/notebooks/requirements-test.txt
@@ -1,4 +1,3 @@
 google-cloud-testutils==1.5.0
-pytest===7.4.4; python_version == '3.7'
-pytest==8.3.4; python_version >= '3.8'
+pytest==8.3.4; python_version >= '3.9'
 mock==5.1.0
diff --git a/samples/notebooks/requirements.txt b/samples/notebooks/requirements.txt
index 77103a338..9dca15776 100644
--- a/samples/notebooks/requirements.txt
+++ b/samples/notebooks/requirements.txt
@@ -2,13 +2,7 @@ bigquery-magics==0.5.0
 db-dtypes==1.3.1
 google-cloud-bigquery==3.27.0
 google-cloud-bigquery-storage==2.27.0
-ipython===7.31.1; python_version == '3.7'
-ipython===8.0.1; python_version == '3.8'
 ipython===8.18.1; python_version >= '3.9'
-matplotlib===3.5.3; python_version == '3.7'
-matplotlib===3.7.4; python_version == '3.8'
 matplotlib===3.9.2; python_version == '3.9'
 matplotlib==3.10.0; python_version >= '3.10'
-pandas===1.3.5; python_version == '3.7'
-pandas===2.0.3; python_version == '3.8'
 pandas==2.2.3; python_version >= '3.9'
diff --git a/setup.cfg b/setup.cfg
index 37b63aa49..100ae6d9f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -19,7 +19,7 @@
 universal = 1
 
 [pytype]
-python_version = 3.8
+python_version = 3.9
 inputs =
     google/cloud/
 exclude =
diff --git a/testing/constraints-3.13.txt b/testing/constraints-3.13.txt
new file mode 100644
index 000000000..e69de29bb