diff --git a/.github/workflows/create-cache.yaml b/.github/workflows/create-cache.yaml
index c3cdcea2..3d1f4b3d 100644
--- a/.github/workflows/create-cache.yaml
+++ b/.github/workflows/create-cache.yaml
@@ -17,6 +17,10 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
+env:
+  TEST_DATA_PATH: ./test_data/8.1.3/c12_6ranks_standard
+  TEST_DATA_URL: "https://portal.nccs.nasa.gov/datashare/astg/smt/pace-regression-data"
+
 jobs:
   # GitHub Actions cache of the pre-commit environment
   pre-commit:
@@ -42,3 +46,59 @@ jobs:
         run: |
           pip install pre-commit
           pre-commit install --install-hooks
+
+    # GitHub Actions cache of the translate test data
+
+  # GitHub Actions cache of pyFV3 test data
+  pyFV3-data:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v5
+
+      - name: Setup Python 3.11
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - uses: actions/cache@v4
+        id: cache
+        with:
+          path: pyFV3/test_data
+          key: ${{ env.TEST_DATA_PATH }}/dycore
+          lookup-only: true  # don't actually download the cache
+
+      - name: Download test_data (if not already cached)
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: |
+          mkdir -p pyFV3/test_data  && cd pyFV3/test_data
+          wget "${{ env.TEST_DATA_URL }}/8.1.3_c12_6ranks_standard.tar.gz"
+          tar -xzvf 8.1.3_c12_6ranks_standard.tar.gz
+          rm 8.1.3_c12_6ranks_standard.tar.gz
+
+  # GitHub Actions cache of pySHiELD test data
+  pySHiELD-data:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v5
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - uses: actions/cache@v4
+        id: cache
+        with:
+          path: pySHiELD/test_data
+          key: ${{ env.TEST_DATA_PATH }}/physics
+          lookup-only: true  # don't actually download the cache
+
+      - name: Download test data (if not already cached)
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: |
+          mkdir -p pySHiELD/test_data && cd pySHiELD/test_data
+          wget "${{ env.TEST_DATA_URL }}/8.1.3_c12_6ranks_baroclinic.physics.tar.gz"
+          tar -xzvf 8.1.3_c12_6ranks_baroclinic.physics.tar.gz
+          rm 8.1.3_c12_6ranks_baroclinic.physics.tar.gz