Astro Seeing

Know before you go: multi-source cloud, seeing and moon forecasts that tell you whether tonight is worth setting up the telescope.

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.