Harman US

Nashua, NH Weather & Growing Conditions

This Afternoon
71°F
Mostly Cloudy
Mostly cloudy, with a high near 71. Southwest wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 71°F Mostly Cloudy 5 mph SW 6%
Tonight 50°F Mostly Cloudy 0 to 5 mph SW 4%
Wednesday 77°F Mostly Sunny 0 to 5 mph SW 4%
Wednesday Night 56°F Partly Cloudy 5 mph SW 2%
Thursday 74°F Scattered Rain Showers 5 to 10 mph SW 30%
Thursday Night 61°F Scattered Rain Showers 0 to 5 mph SW 53%
Friday 70°F Light Rain 0 to 5 mph S 80%
Friday Night 54°F Light Rain 0 mph 81%
Saturday 64°F Light Rain Likely 5 mph NW 71%
Saturday Night 42°F Chance Light Rain 0 to 5 mph NW 54%
Sunday 60°F Slight Chance Light Rain then Mostly Sunny 5 mph W 24%
Sunday Night 35°F Partly Cloudy 0 to 5 mph W 11%
Monday 57°F Mostly Sunny then Slight Chance Light Rain 5 to 10 mph W 19%
Monday Night 33°F Slight Chance Light Rain 5 mph W 19%

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

Growing snapshot for Nashua, NH

Last spring frost
Apr 29
First fall frost
Oct 8
Growing season
162 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Nashua Cwsu, Nh (1.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.