Question 1

Is tonight good for stargazing in San Francisco?

Accepted Answer

StarsOut shows a live 0–10 score for San Francisco based on cloud cover, moon phase, and astronomical darkness. Scores of 7 or higher mean the sky is worth going outside for.

Question 2

What time is the sky darkest in San Francisco tonight?

Accepted Answer

The darkest window in San Francisco is between astronomical dusk and dawn, with the moon below the horizon. StarsOut calculates the exact "best window" for your location and shows it on the homepage.

Question 3

What can I see without a telescope in San Francisco?

Accepted Answer

On clear nights, planets (Jupiter, Saturn, Venus, Mars), the International Space Station, meteor showers, and brighter deep-sky objects like the Pleiades and Andromeda Galaxy are visible to the naked eye from San Francisco. Binoculars add dozens more.

Question 4

Does StarsOut work in San Francisco?

Accepted Answer

Yes. StarsOut works anywhere in the world — San Francisco has a dedicated page with tonight's score, the 7-night forecast, and a list of planets, comets, and deep-sky objects visible from your exact location.

Vit når stjernene kommer frem.

Sky quality tonight

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Vit når stjernene kommer frem.

Sky quality tonight

Ukens netter

Få varsel når stjernene er ute

Slik fungerer poengsummen

Nearby cities