Simsbury Center, CT Weather & Growing Conditions
Overnight
50°F
Partly Cloudy
Partly cloudy, with a low around 50. North wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Partly Cloudy | 7 mph N | 0% |
| Saturday | 68°F | Mostly Sunny | 2 to 6 mph NE | 0% |
| Saturday Night | 48°F | Mostly Cloudy | 2 mph S | 4% |
| Sunday | 64°F | Rain Showers | 0 to 6 mph SE | 94% |
| Sunday Night | 54°F | Rain Showers | 3 to 10 mph NE | 92% |
| Monday | 65°F | Slight Chance Rain Showers | 7 to 12 mph N | 22% |
| Monday Night | 49°F | Slight Chance Rain Showers then Partly Cloudy | 6 to 10 mph NE | 15% |
| Tuesday | 61°F | Slight Chance Rain Showers | 12 mph NE | 17% |
| Tuesday Night | 47°F | Mostly Cloudy | 7 to 12 mph NE | 7% |
| Wednesday | 62°F | Partly Sunny | 12 to 15 mph NE | 11% |
| Wednesday Night | 47°F | Mostly Cloudy then Slight Chance Rain Showers | 9 to 13 mph NE | 23% |
| Thursday | 61°F | Chance Rain Showers | 13 to 17 mph NE | 29% |
| Thursday Night | 49°F | Chance Rain Showers | 9 to 14 mph NE | 35% |
| Friday | 65°F | Chance Rain Showers | 12 to 15 mph N | 32% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Simsbury Center, CT
Last spring frost
Apr 21
First fall frost
Oct 16
Growing season
177 days
Hardiness zone
6b
Explore more for Simsbury Center, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Hartford Bradley Intl Ap, Ct (8.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.