Harman US

Durham, NH Weather & Growing Conditions

Tonight
44°F
Mostly Clear
Mostly clear, with a low around 44. South wind around 0 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 44°F Mostly Clear 0 mph 0%
Sunday 59°F Rain 0 to 5 mph SE 91%
Sunday Night 47°F Rain 5 mph NE 78%
Monday 68°F Mostly Sunny 5 mph N 0%
Monday Night 44°F Mostly Cloudy 0 to 5 mph NE 0%
Tuesday 62°F Partly Sunny 5 mph NE 1%
Tuesday Night 44°F Partly Cloudy 0 to 5 mph NE 0%
Wednesday 62°F Mostly Sunny 5 to 10 mph NE 1%
Wednesday Night 43°F Partly Cloudy 0 to 5 mph NE 9%
Thursday 62°F Slight Chance Rain Showers 5 to 10 mph NE 18%
Thursday Night 45°F Chance Rain Showers 5 to 10 mph NE 31%
Friday 62°F Chance Rain Showers 10 to 15 mph NE 38%
Friday Night 47°F Chance Rain Showers 10 to 15 mph N 39%
Saturday 64°F Chance Rain Showers 15 mph N 38%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Durham, NH

Last spring frost
May 7
First fall frost
Oct 4
Growing season
150 days
Hardiness zone
6a

Explore more for Durham, NH: full frost dates · planting calendar · New Hampshire frost dates

Climate data from the nearest NOAA station, Durham 2 Ssw, Nh (3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.