North Granby, CT Weather & Growing Conditions
Today
71°F
Sunny
Sunny. High near 71, with temperatures falling to around 63 in the afternoon. Southwest wind 6 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Sunny | 6 to 9 mph SW | 2% |
| Tonight | 55°F | Partly Cloudy | 8 mph SW | 2% |
| Thursday | 68°F | Chance Light Rain | 10 mph SW | 33% |
| Thursday Night | 58°F | Light Rain Likely | 3 to 8 mph SW | 68% |
| Friday | 67°F | Light Rain | 3 mph S | 75% |
| Friday Night | 51°F | Light Rain Likely | 5 mph NE | 74% |
| Saturday | 61°F | Chance Light Rain | 6 mph N | 26% |
| Saturday Night | 41°F | Chance Light Rain | 7 to 13 mph NW | 28% |
| Sunday | 54°F | Slight Chance Light Rain then Mostly Sunny | 6 to 12 mph NW | 19% |
| Sunday Night | 35°F | Partly Cloudy | 6 to 9 mph W | 7% |
| Monday | 51°F | Mostly Sunny | 9 to 13 mph W | 14% |
| Monday Night | 34°F | Partly Cloudy | 10 mph W | 11% |
| Tuesday | 55°F | Mostly Sunny | 8 to 12 mph W | 6% |
| Tuesday Night | 33°F | Partly Cloudy | 10 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for North Granby, CT
Last spring frost
Apr 30
First fall frost
Oct 17
Growing season
168 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, Barkhamsted, Ct (6.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.