West Simsbury, CT Weather & Growing Conditions
Today
72°F
Sunny
Sunny. High near 72, with temperatures falling to around 65 in the afternoon. Southwest wind 6 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Sunny | 6 to 9 mph SW | 2% |
| Tonight | 56°F | Partly Cloudy | 8 mph SW | 2% |
| Thursday | 69°F | Patchy Fog then Chance Light Rain | 8 to 12 mph S | 26% |
| Thursday Night | 60°F | Light Rain Likely | 3 to 10 mph SW | 67% |
| Friday | 68°F | Light Rain | 3 mph S | 79% |
| Friday Night | 53°F | Light Rain | 5 mph NE | 77% |
| Saturday | 63°F | Slight Chance Light Rain | 7 mph NW | 24% |
| Saturday Night | 43°F | Chance Light Rain | 8 to 12 mph NW | 27% |
| Sunday | 55°F | Slight Chance Light Rain then Mostly Sunny | 6 to 10 mph NW | 18% |
| Sunday Night | 37°F | Partly Cloudy | 9 mph W | 7% |
| Monday | 53°F | Mostly Sunny | 9 to 13 mph W | 14% |
| Monday Night | 36°F | Partly Cloudy | 9 mph W | 11% |
| Tuesday | 56°F | Mostly Sunny | 10 mph W | 5% |
| Tuesday Night | 36°F | Partly Cloudy | 9 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for West Simsbury, CT
Last spring frost
Apr 30
First fall frost
Oct 17
Growing season
168 days
Hardiness zone
6a
Explore more for West Simsbury, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Barkhamsted, Ct (4.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.