West Simsbury, CT Weather & Growing Conditions
This Afternoon
74°F
Sunny
Sunny, with a high near 74. South wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Sunny | 8 mph S | 1% |
| Tonight | 56°F | Partly Cloudy | 7 mph S | 2% |
| Thursday | 69°F | Chance Light Rain | 5 to 12 mph S | 54% |
| Thursday Night | 61°F | Light Rain Likely | 1 to 8 mph SW | 56% |
| Friday | 69°F | Chance Light Rain | 3 mph SW | 52% |
| Friday Night | 52°F | Chance Light Rain | 2 mph NW | 47% |
| Saturday | 64°F | Partly Sunny then Chance Light Rain | 3 to 7 mph NW | 30% |
| Saturday Night | 44°F | Chance Light Rain | 7 to 13 mph NW | 37% |
| Sunday | 57°F | Chance Light Rain then Partly Sunny | 8 to 14 mph NW | 29% |
| Sunday Night | 39°F | Partly Cloudy | 7 to 10 mph W | 5% |
| Monday | 55°F | Mostly Sunny | 10 to 15 mph W | 11% |
| Monday Night | 36°F | Mostly Clear | 6 to 9 mph W | 5% |
| Tuesday | 60°F | Sunny | 8 to 12 mph W | 2% |
| Tuesday Night | 35°F | Mostly Clear | 5 to 8 mph W | 2% |
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
6b
Explore more for West Simsbury, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Barkhamsted, Ct (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.