West Simsbury, CT Weather & Growing Conditions
This Afternoon
67°F
Mostly Sunny
Mostly sunny, with a high near 67. East wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Mostly Sunny | 3 mph E | 0% |
| Tonight | 49°F | Mostly Cloudy | 2 mph S | 1% |
| Sunday | 62°F | Rain Showers | 1 to 6 mph E | 86% |
| Sunday Night | 52°F | Rain Showers | 5 to 12 mph NE | 77% |
| Monday | 65°F | Partly Sunny | 7 to 12 mph N | 7% |
| Monday Night | 46°F | Mostly Cloudy | 5 to 8 mph N | 3% |
| Tuesday | 61°F | Mostly Cloudy | 10 mph NE | 5% |
| Tuesday Night | 45°F | Mostly Cloudy | 6 to 12 mph NE | 4% |
| Wednesday | 63°F | Partly Sunny | 14 mph NE | 5% |
| Wednesday Night | 46°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 23% |
| Thursday | 61°F | Chance Rain Showers | 14 to 17 mph NE | 31% |
| Thursday Night | 47°F | Chance Rain Showers | 14 to 17 mph N | 35% |
| Friday | 63°F | Chance Rain Showers | 13 to 17 mph N | 33% |
| Friday Night | 48°F | Chance Rain Showers | 13 to 17 mph N | 34% |
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 Sep 19, 2026.