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Weather in Mamanasco Lake, CT · National Weather Service + NOAA

Mamanasco Lake is warming faster than most towns

Mamanasco Lake has chilly, snowy winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 83°, a January night drops to 19°, and about 49 inches of snow falls in a normal winter. In November, a normal day reaches 51° and a normal night drops to 33°.

Right now
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Sunrise 6:31 am · sunset 4:43 pm

Getting the latest forecast from the National Weather Service…

What stands out about Mamanasco Lake’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
A normal year

Where today sits in Mamanasco Lake’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
38° / 21°
12 days with an inch or more of snow
Spring
59° / 37°
Last frost around May 1
Summer
80° / 60°
8 days reach 90° in a normal year
Fall now
62° / 43°
First frost around Oct 14

Weather talk

Road reports, first frosts and storm memories from neighbors in Mamanasco Lake.

Town Square →
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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Mamanasco Lake itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Danbury, CT (8 mi, snow) and Danbury Municipal Airport, CT (4 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.