Harman US

Dayville, CT Weather & Growing Conditions

Tonight
49°F
Partly Cloudy
Partly cloudy, with a low around 49. Southwest wind around 7 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 49°F Partly Cloudy 7 mph SW 3%
Wednesday 72°F Sunny 6 to 10 mph SW 4%
Wednesday Night 54°F Partly Cloudy 9 mph SW 2%
Thursday 71°F Slight Chance Light Rain 7 to 13 mph SW 16%
Thursday Night 61°F Light Rain Likely 9 mph SW 74%
Friday 68°F Rain 7 mph S 86%
Friday Night 56°F Rain 6 mph SW 86%
Saturday 64°F Light Rain Likely 8 mph NW 68%
Saturday Night 42°F Chance Light Rain 7 mph NW 37%
Sunday 59°F Slight Chance Light Rain then Mostly Sunny 6 to 9 mph W 20%
Sunday Night 36°F Partly Cloudy 7 mph W 7%
Monday 57°F Slight Chance Light Rain 8 to 13 mph NW 19%
Monday Night 35°F Slight Chance Light Rain then Partly Cloudy 10 mph W 19%
Tuesday 57°F Mostly Sunny 10 to 14 mph SW 10%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Dayville, CT

Last spring frost
Apr 25
First fall frost
Oct 19
Growing season
176 days
Hardiness zone
6b

Explore more for Dayville, CT: full frost dates · planting calendar · Connecticut frost dates

Climate data from the nearest NOAA station, N Foster 1 E, Ri (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.