Dayville, CT Weather & Growing Conditions
Today
68°F
Mostly Sunny
Mostly sunny, with a high near 68. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Mostly Sunny | 5 mph NE | 0% |
| Tonight | 49°F | Mostly Cloudy | 3 mph SE | 0% |
| Sunday | 63°F | Mostly Cloudy then Rain Showers | 2 to 7 mph SE | 80% |
| Sunday Night | 52°F | Rain Showers | 5 to 10 mph E | 80% |
| Monday | 65°F | Slight Chance Rain Showers then Partly Sunny | 7 to 12 mph N | 15% |
| Monday Night | 46°F | Mostly Cloudy | 3 to 8 mph NE | 2% |
| Tuesday | 61°F | Mostly Cloudy | 12 mph NE | 6% |
| Tuesday Night | 46°F | Mostly Cloudy | 7 to 10 mph NE | 3% |
| Wednesday | 63°F | Partly Sunny | 10 to 16 mph NE | 4% |
| Wednesday Night | 46°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 14 mph NE | 23% |
| Thursday | 62°F | Chance Rain Showers | 14 to 17 mph NE | 33% |
| Thursday Night | 47°F | Chance Rain Showers | 16 mph NE | 36% |
| Friday | 62°F | Chance Rain Showers | 17 mph N | 34% |
| Friday Night | 47°F | Chance Rain Showers | 16 mph NE | 35% |
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 (5.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.