Tucson, US Clear Sky Chart

Tucson, US (32.22°, -110.93°) · Updated 07:33 MST
80
Excellent
high confidence ⓘ
high · Forecast lead time

Based on how far ahead tonight is, forecasts are most reliable within 24–48 hours.

Confidence reflects how trustworthy the forecast is, it doesn't change the score.

Great night ahead
BEST 18:00–05:15 (11h 16m)
Near-perfect skies with moderate moon interference. Mars, Jupiter, Saturn well placed tonight.
Sunset
17:37
Sunrise
06:38
Usable Hours
12/12
Moon
87%
Visible Planets
♂ Mars59° E
♃ Jupiter52° E
♄ Saturn59° S
⛢ Uranus79° S
♆ Neptune57° S
Sky darkness
City sky (Bortle 8-9)
SQM 18.1, estimated from satellite night lights. A property of the place, separate from tonight’s score. How we estimate this
Open Full Tucson, US Forecast →
Hour-by-hour scores · Planet rise/set & visibility · ISS & satellite passes · Moon detail · Full score breakdown · Aurora & observer profiles

Stargazing in Tucson, US

Tucson is one of America's premier astronomy cities, home to Kitt Peak National Observatory and the University of Arizona's Steward Observatory. The city enforces strict outdoor lighting ordinances, keeping urban skies at Bortle 5–6 — remarkably dark for a city of its size. The Sonoran Desert provides over 300 clear nights per year, and the surrounding mountains host world-class research telescopes. Dry desert air means exceptional seeing conditions; planetary observers prize Tucson's stable atmosphere.

Tucson, US Stargazing FAQ

Why is Tucson famous for astronomy?∨
Tucson is home to Kitt Peak National Observatory, the University of Arizona's Steward Observatory, and numerous other research facilities. The city enforces strict outdoor lighting ordinances, keeping urban skies at Bortle 5-6 — remarkably dark for its size.
How many clear nights does Tucson get?∨
Tucson enjoys over 300 clear nights per year. The Sonoran Desert's dry air provides exceptional seeing conditions, and planetary observers prize the stable atmosphere for resolving fine detail.
Can you see the Milky Way from Tucson?∨
Not easily from the city itself, but the surrounding desert reaches Bortle 3-4 within 30 minutes. The Milky Way is vivid from numerous nearby dark-sky sites in the Sonoran Desert.

Stargazing guides

Is Tonight Good for Stargazing?

The answer depends on five things you can check right now.

Light Pollution & the Bortle Scale

How dark is your sky: and what difference does it make?

What Planets Are Visible Tonight?

Real visibility data for all 7 naked-eye and telescope planets, calculated for your location.

Meteor Shower Calendar 2026

Every shower this year: peak dates, expected rates, moon interference, and the two you absolutely cannot miss.

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