North Granby, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for North Granby, a community in Hartford County, Connecticut.
Overnight
49°F
Mostly Cloudy
Mostly cloudy, with a low around 49. Southwest wind around 6 mph.
7-day forecast for North Granby
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Mostly Cloudy | 6 mph SW | 3% |
| Wednesday | 73°F | Sunny | 3 to 9 mph SW | 3% |
| Wednesday Night | 55°F | Partly Cloudy | 7 mph SW | 2% |
| Thursday | 70°F | Chance Light Rain | 6 to 9 mph S | 51% |
| Thursday Night | 61°F | Light Rain Likely | 2 to 7 mph SW | 74% |
| Friday | 67°F | Rain | 3 mph SW | 77% |
| Friday Night | 54°F | Rain | 5 mph NW | 76% |
| Saturday | 64°F | Light Rain Likely | 7 mph NW | 56% |
| Saturday Night | 43°F | Chance Light Rain | 9 mph NW | 32% |
| Sunday | 58°F | Slight Chance Light Rain then Mostly Sunny | 6 to 9 mph W | 22% |
| Sunday Night | 37°F | Partly Cloudy | 7 mph W | 9% |
| Monday | 57°F | Slight Chance Light Rain | 8 to 13 mph NW | 21% |
| Monday Night | 36°F | Slight Chance Light Rain | 9 mph W | 20% |
| Tuesday | 58°F | Mostly Sunny | 9 to 13 mph W | 9% |
Forecast source: National Weather Service (api.weather.gov) for North Granby (42.016, -72.843). Updated through the day.
Growing snapshot for North Granby
Last spring frost
Apr 28
First fall frost
Oct 17
Growing season
171 days
Hardiness zone
6a
More local growing data for North Granby: nearby ZIP 06060 weather · frost dates · planting calendar · Connecticut frost dates
Nearby towns & communities
Blue Hills
Bristol
Broad Brook
Canton Valley
Collinsville
East Hartford
Glastonbury Center
Hartford
Hazardville
Kensington
Manchester
New Britain
Newington
Plantsville
Riverton
Salmon Brook
Sherwood Manor
Simsbury Center
Southwood Acres
Suffield Depot
Tariffville
Terramuggus
Thompsonville
Weatogue
West Hartford
West Simsbury
Wethersfield
Windsor Locks
Climate data from the nearest NOAA station, Westfield 3 Sw, Ma (6.1 mi from North Granby). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.