diff --git a/scheduler.py b/scheduler.py
index e81fb38..fb93aa9 100644
--- a/scheduler.py
+++ b/scheduler.py
@@ -15,6 +15,7 @@ import hashlib
 import logging
 import threading
 import time
+from datetime import date
 from pathlib import Path
 
 from PIL import Image
@@ -32,8 +33,17 @@ class ScreenCache:
     def __init__(self):
         self.state = None
         self.checked_at: float = 0.0
+        self.checked_date: date | None = None
 
     def is_stale(self, poll_interval: int) -> bool:
+        # Also stale across a local-midnight rollover, independent of
+        # poll_interval -- otherwise a screen whose data is inherently
+        # date-bound (weather's daily forecast labels, its "today" hourly
+        # graph) keeps showing yesterday's data for up to poll_interval
+        # after midnight, since the cached state was genuinely correct
+        # when fetched, just not anymore now that the date has turned over.
+        if self.checked_date != date.today():
+            return True
         return (time.time() - self.checked_at) >= poll_interval
 
 
@@ -197,6 +207,7 @@ class Scheduler:
         if cache.is_stale(screen.get_poll_interval(settings)):
             cache.state = self._check(screen_id)
             cache.checked_at = time.time()
+            cache.checked_date = date.today()
             checked = True
         return screen_id, cache.state, checked