Why Weather
The thinking weather app
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Why Weather is the thinking weather app—for the weather-curious and the weather-nerdy. We explain the science behind the forecast, and the uncertainty behind the science. Most weather apps give you the play-by-play; we add the color commentary.
MEET SKY
Sky is the AI weather guide built into Why Weather, and you can ask it anything. Why is a front moving in? What does that radar pattern mean? Why is the pressure dropping? Is this heat normal for October? Sky answers from your actual forecast, live radar, nearby weather stations and the National Weather Service's own forecast discussion. It explains the why, not just the what.
Ask about climate and Sky answers from vetted sources like NOAA, NASA and the IPCC, with citations you can check.
ALMANAC: HOW UNUSUAL IS THIS WEEK?
Every forecast comes with history. A line under the daily forecast sums up how the week ahead compares with normal. Tap it and Almanac charts the forecast against normal and record highs, ranks the week against the last 30 years, and shows how your area's temperatures have shifted decade by decade.
THE AIR TODAY
Humidity, dewpoint and pressure, finally explained. The air today turns the numbers into how the air actually feels—dry, comfortable, sticky, muggy—and what the pressure is doing: rising, falling or steady, and what that usually means for the hours ahead.
ON THIS DAY
Today's forecast next to the normal high and low, the record high and low (and the years they were set), and what happened on this date last year. Days in the forecast that come close to a record get flagged.
TODAY'S WEATHER STORY
Tap "Today's weather story" on the forecast screen, or your morning notification, and Sky writes a short narrative of what's actually going to happen: what the front is doing, what to plan around, and whether the rain is for real or just hedging.
FORECAST IN FLUX
When forecasters are hedging, we tell you. If the National Weather Service flags uncertainty in its forecast discussion, or rain chances sit in that murky middle, a "Forecast in flux" badge shows it, and Sky can walk you through why. The forecast isn't gospel; we don't pretend it is.
RADAR
Animated radar shows rain and storms moving in real time. Premium adds the next hour of future radar, plus wind and heat maps.
NOTIFICATIONS THAT RESPECT YOUR TIME
— A one-sentence weather story every morning, linking to the full story
— Severe weather watches and warnings the moment they're issued
— A heads-up before rain begins, with intensity context
BUILT FOR WEATHER NERDS
— A daily atmospheric fact, plus questions to explore with Sky, from core meteorology to planetary atmospheres and climate science
— Honest framing about forecast limits ("rain in the area," not "rain at your house")
— Home screen widgets
— Fahrenheit or Celsius, with your choice of units for wind, pressure and rain
PREMIUM
Free includes the full forecast, radar, notifications and three Sky questions a day. Premium adds:
— Unlimited Sky
— Almanac
— The air today
— On this day, with records, last year and near-record flags
— Future radar, plus wind and heat maps
— Every forecast source (NOAA, Foreca, Apple WeatherKit and more) and a 10-day forecast, up from 7
Monthly and annual subscriptions available.
If you've ever wondered what's actually going on up there—not just what to wear today—Why Weather is built for you.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
ALMANAC: HOW UNUSUAL IS THIS WEEK?
Your forecast now comes with history. A new line under the daily forecast sums up how the week ahead compares with normal. Tap it and Almanac (Premium) charts the forecast against normal and record highs, ranks the week against the last 30 years, and shows how your area's temperatures have shifted decade by decade.
THE AIR TODAY (PREMIUM)
Humidity, dewpoint and pressure, finally explained. One card tells you how the air actually feels and what the pressure is doing, and what that usually means for the hours ahead.
ON THIS DAY (PREMIUM)
Today's forecast next to the normal, the record high and low, and what happened on this date last year. Forecast days close to a record get flagged.
ALSO NEW
• See how far today's temperatures run above or below normal, right under the current conditions.
• A clearer look at everything Premium includes, with a preview of each feature.
• Fresh icons on every tile.
The developer, Christopher Edward Risdon, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
- User Content
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Christopher Edward Risdon
- Size
- 15.5 MB
- Category
- Weather
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Why Weather Premium Annual $29.99
- Why Weather Premium Monthly $4.99
- Copyright
- © 2026 Live by Satellite
