Jetstream Weather & Stargazing

Jetstream Weather & Stargazing

Routes, weather, stargazing

0 ratings
Free

Rating summary

Details

Released
November 2, 2026
Updated
November 6, 2026

Features

Jetstream Weather & Stargazing screenshot #1 for iPhone
Jetstream Weather & Stargazing screenshot #2 for iPhone
Jetstream Weather & Stargazing screenshot #3 for iPhone
Jetstream Weather & Stargazing screenshot #4 for iPhone
Jetstream Weather & Stargazing screenshot #5 for iPhone
Jetstream Weather & Stargazing screenshot #6 for iPhone
iphone
ipad
🖼️Get Icon
Icons↘︎

About

Jetstream puts flower season, everyday weather, route weather and the night sky in one free app. Flower season - Cherry blossom, plum, autumn leaves and ginkgo on the map for Japan, South Korea, the US, Switzerland, Germany and Canada (Ontario) - This year's observations, last year, and long-term averages to plan your trip, from each country's official sources Everyday weather - Current conditions and forecasts from official sources (CWA in Taiwan, JMA in Japan, NWS in the US), with MET Norway for the rest of the world - Radar worldwide, plus satellite rainfall over the oceans where there is no radar - Everyday index: what to wear, laundry, outdoors, driving, exercise, mosquitoes and more - Air quality, UV, pollen and dust; official warnings, earthquakes and tsunamis (Taiwan, US and Europe) - Sun and moon times, tides and sea state - Home Screen and Lock Screen widgets that follow your location Sky - Horizon-mode star chart with Chinese asterisms alongside Western constellations - Meteor showers, aurora probability, dark-sky sites and stargazing articles Route weather (for pilots) - Global wind, turbulence, cloud and icing layers, and a vertical route profile - AI flight briefing: METAR/TAF, SIGMET, NOTAMs and enroute weather in one readable brief - NOTAMs, FIR boundaries, oceanic tracks, HF/VHF assignments and GNSS interference - Offline flight pack: download the layers for your whole route before you leave Free Jetstream is free, with no purchases or subscriptions. The AI flight briefing has a daily limit (3 a day signed in, 1 a day without an account); everything else is unlimited, and no account is needed. Jetstream is a reference aid. It is not a source for flight decisions and does not replace official weather products or NOTAMs. Terms of Use (EULA): https://jetstream.h-peak.com/terms Privacy Policy: https://jetstream.h-peak.com/privacy
Show more
+1

What's New in Jetstream Weather & Stargazing

3.2.1

November 6, 2026

• Fixed a stray line of text on alert cards

Developer apps