North Granby, CT Weather & Growing Conditions
Tonight
49°F
Partly Cloudy
Partly cloudy, with a low around 49. North wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Partly Cloudy | 8 mph N | 0% |
| Saturday | 67°F | Mostly Sunny | 2 to 6 mph NE | 0% |
| Saturday Night | 46°F | Partly Cloudy | 2 mph S | 4% |
| Sunday | 62°F | Rain Showers | 1 to 6 mph SE | 94% |
| Sunday Night | 53°F | Rain Showers | 5 to 12 mph E | 92% |
| Monday | 64°F | Slight Chance Rain Showers then Partly Sunny | 7 to 12 mph N | 19% |
| Monday Night | 49°F | Partly Cloudy | 7 to 12 mph NE | 9% |
| Tuesday | 61°F | Slight Chance Rain Showers then Partly Sunny | 12 mph NE | 16% |
| Tuesday Night | 48°F | Mostly Cloudy | 8 to 13 mph NE | 6% |
| Wednesday | 61°F | Partly Sunny | 12 to 15 mph NE | 11% |
| Wednesday Night | 47°F | Mostly Cloudy then Slight Chance Rain Showers | 14 mph NE | 24% |
| Thursday | 60°F | Chance Rain Showers | 12 to 15 mph NE | 28% |
| Thursday Night | 50°F | Chance Rain Showers | 9 to 14 mph NE | 34% |
| Friday | 66°F | Chance Rain Showers | 10 to 14 mph N | 31% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for North Granby, CT
Last spring frost
Apr 28
First fall frost
Oct 17
Growing season
171 days
Hardiness zone
6a
Explore more for North Granby, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Westfield 3 Sw, Ma (6.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.