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Nashua, NH Weather & Growing Conditions

Tonight
46°F
Partly Cloudy
Partly cloudy, with a low around 46. Northwest wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 46°F Partly Cloudy 0 to 5 mph NW 0%
Saturday 67°F Sunny 0 to 5 mph N 0%
Saturday Night 47°F Partly Cloudy 0 to 5 mph SE 0%
Sunday 63°F Rain Showers 0 to 5 mph SE 79%
Sunday Night 50°F Rain Showers 0 to 5 mph NE 79%
Monday 66°F Chance Rain Showers then Mostly Sunny 5 mph N 25%
Monday Night 47°F Partly Cloudy 0 to 5 mph N 4%
Tuesday 61°F Mostly Cloudy 5 mph NE 4%
Tuesday Night 45°F Mostly Cloudy 0 to 5 mph NE 2%
Wednesday 60°F Partly Sunny 5 to 10 mph NE 3%
Wednesday Night 45°F Mostly Cloudy then Slight Chance Rain Showers 0 to 5 mph NE 19%
Thursday 59°F Chance Rain Showers 5 to 10 mph NE 27%
Thursday Night 46°F Chance Rain Showers 0 to 5 mph NE 30%
Friday 64°F Chance Rain Showers 5 to 10 mph N 32%

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

Growing snapshot for Nashua, NH

Last spring frost
Apr 30
First fall frost
Oct 12
Growing season
165 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 2 Nnw, Nh (2.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.