Astro Seeing vs StormCast

Astro Seeing tells you when it's worth looking up. We aggregate weather forecasts from six leading sources — Open-Meteo, OpenWeatherMap, WeatherAPI, Tomorrow.io, AccuWeather, and Meteosource — plus atmospheric seeing data from 7Timer, and turn it all into one clear answer: how good are tonight's stargazing conditions? Tonight's verdict — plain-English recommendations from "excellent" to "poor" Multi-source consensus — see where forecasters agree, and where they disagree Seeing & transparency — real atmospheric stability data, not just cloud cover Field of View calculator — frame any target through your telescope and eyepiece or camera, with a live sky atlas and sampling advice Moon phase — tonight's phase, illumination, rise and set times ISS passes — know when to spot the International Space Station overhead Light pollution — Bortle scale estimate for your exact location Best viewing window — when the sky will be clearest tonight 7-day outlook — plan ahead with nighttime-specific weather averages Observing targets — deep-sky objects, planets, conjunctions and meteor showers visible from your area Hourly timeline — cloud cover, humidity, dew point and seeing, hour by hour Cloud cover chart — visual side-by-side comparison across every source No account required. No ads. Free. Made for backyard astronomers, astrophotographers, and anyone who's tired of generic weather apps that don't understand stargazing.

Rain on the way? See where it’s moving. With StormCast, follow rain and lightning on the map and get alerts for the places you choose: home, work or your weekend destination. Check the radar alongside hourly forecasts to see how the weather could change. FOLLOW RAIN AND LIGHTNING • Rain radar with two hours of history and a movement forecast up to two hours ahead • Live lightning, with distance from your location • Storm cells with movement direction and speed • Satellite, temperature, wind and wave maps ALERTS FOR YOUR PLACES • Nearby lightning alerts with a customisable radius • Incoming rain alerts with updates as it approaches • Approaching storms with an estimated arrival time • Italian Civil Protection weather alerts for your places in Italy • Quiet hours configurable for each place CHECK THE DAYS AHEAD • Hourly and daily forecasts up to 14 days ahead • Forecast reliability index • Air quality, UV, pressure, visibility and marine data • Sunrise, sunset, daylight hours and moon phases • Recent nearby earthquakes, using INGV and USGS data START WITH YOUR FIRST PLACE Search for a location, explore the map and turn on monitoring. Allow notifications on your device to receive alerts. FREE, WITH OPTIONAL PREMIUM StormCast is free to download. Radar, lightning and forecasts are available with ads and a daily usage limit shown in the app. Push alerts remain active after your viewing time runs out. StormCast Premium removes ads and the time limit. It includes Display mode, which turns a tablet into a weather station, beyond the initial trial period. Premium is an annual subscription. The current price is shown in the app before purchase. It renews automatically unless cancelled in your store account settings. Restore purchases using the same store account. Available in English, Italian, French, German and Spanish. Forecasts and alerts are estimates based on available data. They do not guarantee the timing or location of severe weather and do not replace official guidance or other personal safety measures. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://www.stormcastlab.com/privacy.html