Harman US

Durham, NH Weather & Growing Conditions

Today
85°F
Sunny
Sunny, with a high near 85. West wind 5 to 10 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 85°F Sunny 5 to 10 mph W 0%
Tonight 60°F Mostly Clear 0 to 5 mph SW 0%
Wednesday 86°F Partly Sunny 0 to 5 mph SW 0%
Wednesday Night 66°F Partly Cloudy 0 to 5 mph SW 6%
Thursday 88°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph SW 34%
Thursday Night 70°F Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph SW 29%
Friday 90°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 mph W 27%
Friday Night 69°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 0 to 5 mph W 26%
Saturday 87°F Chance Rain Showers then Chance Showers And Thunderstorms 0 to 5 mph W 50%
Saturday Night 67°F Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph W 44%
Sunday 88°F Sunny 0 to 5 mph W 10%
Sunday Night 68°F Mostly Clear 5 mph W 9%
Monday 88°F Sunny 5 to 10 mph W 14%
Monday Night 66°F Mostly Clear 5 to 10 mph W 14%

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 Aug 4, 2026.