diff --git a/deploy/deploy.sh b/deploy/deploy.sh
index 4a279be..8e70623 100755
--- a/deploy/deploy.sh
+++ b/deploy/deploy.sh
@@ -9,6 +9,17 @@ APP_DIR="${APP_DIR:-/opt/thermograph}"
 BRANCH="${BRANCH:-main}"
 cd "$APP_DIR"
 
+# Pre-warm the ~750 city-page archives so /climate pages serve from cache and a
+# search-engine crawl never bursts the archive API quota. Detached + backgrounded
+# so it never blocks the deploy or health check; idempotent (skips already-cached
+# cells), so it's cheap on every deploy after the first full warm.
+warm_city_archives() {
+  mkdir -p "$APP_DIR/logs"
+  echo "==> Warming city-page archives in the background (logs/warm-cities.log)"
+  setsid nohup bash -c "cd '$APP_DIR/backend' && exec '$APP_DIR/.venv/bin/python' warm_cities.py --pace 2" \
+    </dev/null >"$APP_DIR/logs/warm-cities.log" 2>&1 &
+}
+
 echo "==> Fetching $BRANCH"
 git fetch --prune origin "$BRANCH"
 git reset --hard "origin/$BRANCH"
@@ -31,6 +42,7 @@ url="http://127.0.0.1:${PORT}${BASE%/}/"
 for i in $(seq 1 15); do
   if curl -fsS -o /dev/null "$url"; then
     echo "==> OK: $url is serving"
+    warm_city_archives
     exit 0
   fi
   sleep 1