Weather changes made clear

Know what changed before you step outside.

WeatherDiff compares today with yesterday and the days ahead, so temperature shifts, rain timing, outfit choices, and trip weather are easier to understand at a glance.

Contact support Explore features
San Francisco Today
Now 12°
8° cooler than yesterday
Best time out 10:00-13:00
Rain shift Starts 15:00
Outfit Jacket + umbrella

Built around change, not just numbers.

Weather feels different when it moves. WeatherDiff turns the delta into simple daily decisions.

Δ

Compare the day

See how today differs from yesterday in temperature, rain, wind, and conditions.

↗

Find the better hour

Spot calmer windows before rain, wind, or temperature swings make plans harder.

◎

Dress with context

Outfit guidance adapts to personal comfort preferences and recent feedback.

⌁

Plan across cities

Compare saved places and route weather before travel, commutes, or short trips.

Alerts and widgets when timing matters.

Use notifications and home screen widgets to notice meaningful changes without opening the app every time.

WeatherDiff alert illustration
Tomorrow preview Get an evening heads-up when tomorrow warms up, cools down, or needs a different outfit.
Weather shift alerts Optional notifications call out meaningful rain and temperature changes before they affect your plans.
Home screen widgets Keep the current delta, outfit hint, and next change visible at a glance.

Need help or App Store review info?

Support, privacy policy, and terms are available here while WeatherDiff prepares for App Store release.

Open support Privacy policy