Simsbury Center, CT Weather & Growing Conditions
Tonight
51°F
Partly Cloudy
Partly cloudy, with a low around 51. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Partly Cloudy | 5 mph SW | 3% |
| Wednesday | 74°F | Sunny | 3 to 9 mph SW | 3% |
| Wednesday Night | 55°F | Partly Cloudy | 7 mph SW | 2% |
| Thursday | 71°F | Chance Light Rain | 5 to 12 mph S | 45% |
| Thursday Night | 61°F | Light Rain | 2 to 8 mph S | 75% |
| Friday | 68°F | Rain | 3 mph S | 79% |
| Friday Night | 54°F | Rain | 5 mph NW | 78% |
| Saturday | 64°F | Light Rain Likely | 7 mph NW | 56% |
| Saturday Night | 42°F | Chance Light Rain | 8 mph NW | 31% |
| Sunday | 59°F | Slight Chance Light Rain then Mostly Sunny | 6 to 9 mph W | 21% |
| Sunday Night | 36°F | Partly Cloudy | 6 mph W | 9% |
| Monday | 57°F | Slight Chance Light Rain | 6 to 14 mph NW | 20% |
| Monday Night | 35°F | Slight Chance Light Rain | 8 mph W | 19% |
| Tuesday | 58°F | Mostly Sunny | 8 to 14 mph W | 9% |
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 Nov 4, 2026.