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Is It Worth Going Out Tonight?

Get tonight's stargazing score for your location — and sign up for free alerts so you never miss a clear night.

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Checking the skies above you…

out of 10

Tonight's Cloud Cover, Hour by Hour

What's in the Sky Tonight

Get notified when conditions are this good

How the Score Works

We pull live weather data for your exact location and combine it with astronomical conditions to give you a single, honest number.

☁️
Cloud Cover
40%
Hourly cloud forecast from Open-Meteo — because even one clear window matters.
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Moon Phase
25%
New Moon scores highest. A bright gibbous Moon washes out faint objects.
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Light Pollution
15%
Bortle scale estimate from your postcode — rural darkness vs city glow.
🔭
Events
10%
Meteor showers, comets, conjunctions — is there something special to see?
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Transparency
10%
Humidity and aerosols — how crisp the atmosphere is for deep-sky viewing.

Not going out tonight?

Explore our sky guides, learn the constellations, or dive into the Solar System.