Boston, US Clear Sky Chart

Boston, US (42.36°, -71.06°) · Updated 10:33 EDT
58
Mixed
high confidence ⓘ
high · Forecast stability

Tonight's forecast has held steady across recent updates. We compare how much tonight's score has moved across our recent forecast updates, a score that's held steady is more trustworthy.

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

Worth a short session
BEST 21:00–23:00 (2h)
Near-perfect skies with moderate moon interference. Some haze, so transparency is slightly reduced.
Sunset
17:42
Sunrise
07:13
Usable Hours
10/11
Moon
88%
Visible Planets
♂ Mars55° SE
♃ Jupiter48° SE
♄ Saturn49° S
⛢ Uranus69° S
♆ Neptune47° S
Sky darkness
City sky (Bortle 8-9)
SQM 17.3, estimated from satellite night lights. A property of the place, separate from tonight’s score. How we estimate this
Open Full Boston, US Forecast →
Hour-by-hour scores · Planet rise/set & visibility · ISS & satellite passes · Moon detail · Full score breakdown · Aurora & observer profiles

Stargazing in Boston, US

Boston's Bortle 7–8 skies are typical of the urban Northeast, but driving 90 minutes to rural New Hampshire or Vermont reaches Bortle 3–4 conditions. The White Mountains and Green Mountains are excellent dark-sky destinations. Boston's maritime climate brings variable conditions, but cold Canadian high-pressure systems in autumn and winter often produce exceptionally clear, transparent skies. The MIT and Harvard observatories have a long tradition of public outreach. Wondering what the Boston night sky holds tonight? ClearSkys reads the cloud, moon and wind for the city and scores it hourly, so you know whether tonight's sky is clear enough before you commit to the drive north.

Boston, US Stargazing FAQ

Is the sky clear tonight in Boston?∨
ClearSkys scores the Boston night sky hour by hour, factoring cloud, moon and wind. The hourly view tells you whether tonight's sky is worth stepping out for in the city, or whether it's a night to head up to the White Mountains.
Where can I stargaze near Boston?∨
Rural New Hampshire and Vermont, about 90 minutes north, offer Bortle 3-4 conditions. The White Mountains are an excellent dark-sky destination. Cape Cod's beaches provide dark ocean horizons closer to the city.
When is the best time to stargaze in Boston?∨
Cold Canadian high-pressure systems in autumn and winter produce exceptionally clear, transparent skies. Summer can be hazy. October and November are often the best months.
Can you see planets from Boston?∨
Yes — planets are visible from Boston on any clear night regardless of light pollution. The MIT Haystack Observatory and local astronomy clubs run regular public outreach events.

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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