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Dayville, CT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Dayville, a community in Windham County, Connecticut.

Tonight
48°F
Partly Cloudy
Partly cloudy, with a low around 48. Southwest wind around 5 mph.

7-day forecast for Dayville

WhenTempForecastWindPrecip
Tonight 48°F Partly Cloudy 5 mph SW 3%
Wednesday 74°F Sunny 3 to 10 mph SW 4%
Wednesday Night 54°F Patchy Fog then Partly Cloudy 7 mph SW 2%
Thursday 73°F Slight Chance Light Rain 6 to 13 mph SW 17%
Thursday Night 62°F Light Rain 6 to 9 mph SW 75%
Friday 69°F Rain 6 mph S 86%
Friday Night 56°F Rain 6 mph SW 86%
Saturday 66°F Light Rain Likely 8 mph NW 67%
Saturday Night 42°F Chance Light Rain 6 mph NW 37%
Sunday 61°F Slight Chance Light Rain then Mostly Sunny 6 to 9 mph W 20%
Sunday Night 35°F Partly Cloudy 6 mph W 7%
Monday 59°F Slight Chance Light Rain 6 to 13 mph NW 19%
Monday Night 34°F Slight Chance Light Rain then Partly Cloudy 9 mph W 19%
Tuesday 59°F Mostly Sunny 9 to 14 mph SW 10%

Forecast source: National Weather Service (api.weather.gov) for Dayville (41.844, -71.882). Updated through the day.

Growing snapshot for Dayville

Last spring frost
May 1
First fall frost
Oct 9
Growing season
161 days
Hardiness zone
6b

More local growing data for Dayville: nearby ZIP 06263 weather · frost dates · planting calendar · Connecticut frost dates

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Climate data from the nearest NOAA station, W Thompson Lake, Ct (7.4 mi from Dayville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.