Dayville, CT Weather & Growing Conditions
Today
83°F
Sunny
Sunny, with a high near 83. West wind 1 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 1 to 5 mph W | 0% |
| Tonight | 58°F | Partly Cloudy | 3 mph S | 4% |
| Wednesday | 82°F | Mostly Sunny | 0 to 6 mph W | 6% |
| Wednesday Night | 65°F | Mostly Cloudy | 5 mph SW | 12% |
| Thursday | 85°F | Chance Rain Showers | 2 to 8 mph SW | 33% |
| Thursday Night | 71°F | Chance Rain Showers | 3 to 7 mph SW | 38% |
| Friday | 87°F | Mostly Sunny then Slight Chance Rain Showers | 3 to 8 mph SW | 24% |
| Friday Night | 70°F | Chance Rain Showers | 2 to 7 mph W | 32% |
| Saturday | 86°F | Partly Sunny then Chance Rain Showers | 2 to 6 mph W | 37% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 48% |
| Sunday | 86°F | Mostly Sunny then Slight Chance Rain Showers | 2 to 7 mph W | 16% |
| Sunday Night | 68°F | Slight Chance Rain Showers then Partly Cloudy | 6 mph SW | 19% |
| Monday | 86°F | Mostly Sunny | 3 to 9 mph SW | 11% |
| Monday Night | 67°F | Partly Cloudy | 7 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dayville, CT
Last spring frost
May 1
First fall frost
Oct 9
Growing season
161 days
Hardiness zone
6b
Explore more for Dayville, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, W Thompson Lake, Ct (7.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.