Montreal, Canada Clear Sky Chart

Montreal, Canada (45.5°, -73.57°) · Updated 18:34 EDT
69
Good
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 look tonight
BEST 19:00–00:00 (5h)
Near-perfect skies with moderate moon interference. Some haze, so transparency is slightly reduced.
Sunset
17:47
Sunrise
07:29
Usable Hours
11/11
Moon
88%
Visible Planets
♂ Mars53° SE
♃ Jupiter47° SE
♄ Saturn46° S
⛢ Uranus65° S
♆ Neptune44° S
Sky darkness
City sky (Bortle 8-9)
SQM 17.5, estimated from satellite night lights. A property of the place, separate from tonight’s score. How we estimate this
Open Full Montreal, Canada Forecast →
Hour-by-hour scores · Planet rise/set & visibility · ISS & satellite passes · Moon detail · Full score breakdown · Aurora & observer profiles

Stargazing in Montreal, Canada

Montreal's Bortle 7 skies improve heading north into the Laurentians, where Bortle 3–4 conditions are available within 90 minutes. Mont-Mégantic National Park (2.5 hours east) hosts Canada's first International Dark Sky Reserve and a major research observatory. Quebec's cold, dry winter air brings superb transparency — if you can handle observing at -25°C. The city's 45.5°N latitude provides a good balance of reasonable darkness year-round.

Montreal, Canada Stargazing FAQ

Where is the best dark sky near Montreal?∨
Mont-Mégantic National Park, about 2.5 hours east, hosts Canada's first International Dark Sky Reserve and a major research observatory. The Laurentians, 90 minutes north, offer Bortle 3-4 conditions.
Can you stargaze in winter in Montreal?∨
Yes — Quebec's cold, dry winter air brings superb transparency, though temperatures of -25°C or colder require serious preparation. Dress in layers and protect equipment from condensation.
When is the best time to stargaze in Montreal?∨
Winter offers the clearest, most transparent skies, though it's bitterly cold. Autumn (September-November) provides a good balance of dark nights and manageable temperatures.

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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