Harman US

Derry, NH Weather & Growing Conditions

This Afternoon
67°F
Mostly Sunny
Mostly sunny, with a high near 67. Southeast wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 67°F Mostly Sunny 0 to 5 mph SE 0%
Tonight 46°F Partly Cloudy 0 to 5 mph S 0%
Sunday 58°F Rain 0 to 5 mph SE 87%
Sunday Night 47°F Rain 5 mph NE 76%
Monday 67°F Mostly Sunny 5 mph NE 1%
Monday Night 46°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 61°F Mostly Sunny 5 to 10 mph NE 1%
Wednesday Night 43°F Partly Cloudy then Slight Chance Rain Showers 5 mph NE 15%
Thursday 61°F Slight Chance Rain Showers 5 to 10 mph NE 19%
Thursday Night 45°F Chance Rain Showers 5 to 10 mph NE 34%
Friday 62°F Chance Rain Showers 10 mph NE 39%
Friday Night 47°F Chance Rain Showers 10 to 15 mph N 40%

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

Growing snapshot for Derry, NH

Last spring frost
Apr 30
First fall frost
Oct 11
Growing season
162 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, W Hampstead, Nh (2.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.