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Long Sault stargazing forecast — Friday, August 14

Durham, ON · Bortle 4 · 44.067, -78.783 · Snapshot generated Sat, 15 Aug 2026 02:05:06 GMT

Fair   (Medium confidence)

Short 3h window, otherwise mean cloud 57%. Worth a look if you're nearby.

Best observing window tonight

Fri 11:00 p.m. – Sat 1:00 a.m. (3h, 19% mean cloud)

Astronomical night
Fri 4:21 p.m. → Sat 2:19 a.m.
Moon
New moon · 2% illuminated
Mean cloud (during night)
57%   (min 17%)

Site

Long Sault sits on the Oak Ridges Moraine, which is a quietly important fact: the moraine is high ground, and high ground above Lake Ontario means you're looking down on a thin layer of haze rather than through it. Bortle 4 isn't pristine, but the open hilltop fields catch a real southern view and the Durham Region Astronomical Association has worn a path here for a reason — it's the closest meaningful step away from Toronto's dome that you can do as a school-night drive.

Drive from Toronto: ≈ 1.5 hours east via Highways 401 and 35/115.

Best time of year: October through March — leaves are off the trees opening up the horizon, the air dries out, and the sun sets early enough that you don't have to commit a whole night.

Open the live 48-hour forecast →

Citations & data sources

This is a build-time snapshot — the live forecast at https://ontarionightsky.com/?site=long-sault updates continuously.