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New Milford, CT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for New Milford, a community in Litchfield County, Connecticut.

Overnight
48°F
Mostly Clear
Mostly clear, with a low around 48. South wind around 1 mph.

7-day forecast for New Milford

WhenTempForecastWindPrecip
Overnight 48°F Mostly Clear 1 mph S 2%
Wednesday 71°F Sunny 1 to 8 mph S 2%
Wednesday Night 54°F Partly Cloudy 5 mph S 2%
Thursday 69°F Light Rain Likely 5 to 9 mph S 56%
Thursday Night 58°F Light Rain 1 to 6 mph S 79%
Friday 68°F Light Rain 0 to 3 mph S 79%
Friday Night 51°F Light Rain 2 mph NE 77%
Saturday 63°F Chance Light Rain 6 mph NW 25%
Saturday Night 42°F Chance Light Rain 7 mph NW 27%
Sunday 57°F Slight Chance Light Rain then Mostly Sunny 5 to 8 mph NW 19%
Sunday Night 37°F Partly Cloudy 6 mph W 4%
Monday 55°F Sunny 7 to 12 mph W 11%
Monday Night 35°F Mostly Clear 7 mph W 11%
Tuesday 59°F Mostly Sunny 5 to 9 mph SW 5%

Forecast source: National Weather Service (api.weather.gov) for New Milford (41.580, -73.404). Updated through the day.

Growing snapshot for New Milford

Last spring frost
Apr 20
First fall frost
Oct 20
Growing season
181 days
Hardiness zone
6b

More local growing data for New Milford: nearby ZIP 06776 weather · frost dates · planting calendar · Connecticut frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Danbury, Ct (13.9 mi from New Milford). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.