Harman US

Durham, CT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Durham, a community in Middlesex County, Connecticut.

This Afternoon
70°F
Partly Sunny
Partly sunny. High near 70, with temperatures falling to around 68 in the afternoon. Southeast wind around 3 mph.

7-day forecast for Durham

WhenTempForecastWindPrecip
This Afternoon 70°F Partly Sunny 3 mph SE 0%
Tonight 51°F Mostly Cloudy 3 mph SE 0%
Sunday 67°F Rain Showers then Rain 2 to 8 mph SE 94%
Sunday Night 53°F Rain then Rain Showers 3 to 14 mph SE 94%
Monday 68°F Chance Rain Showers then Partly Sunny 7 to 14 mph NE 25%
Monday Night 48°F Mostly Cloudy 3 to 8 mph NE 11%
Tuesday 64°F Slight Chance Rain Showers 10 mph NE 21%
Tuesday Night 47°F Mostly Cloudy 7 to 12 mph NE 4%
Wednesday 65°F Partly Sunny 12 to 15 mph NE 4%
Wednesday Night 47°F Slight Chance Rain Showers 12 to 16 mph NE 19%
Thursday 65°F Chance Rain Showers 13 to 16 mph NE 29%
Thursday Night 48°F Chance Rain Showers 14 to 18 mph NE 37%
Friday 65°F Chance Rain Showers 18 mph N 40%
Friday Night 49°F Chance Rain Showers 18 mph N 40%

Forecast source: National Weather Service (api.weather.gov) for Durham (41.469, -72.685). Updated through the day.

Growing snapshot for Durham

Last spring frost
Apr 26
First fall frost
Oct 16
Growing season
175 days
Hardiness zone
6b

More local growing data for Durham: nearby ZIP 06422 weather · frost dates · planting calendar · Connecticut frost dates

Nearby towns & communities

All Connecticut locations ›

Climate data from the nearest NOAA station, Meriden Markham Muni Ap, Ct (7.9 mi from Durham). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.