Nashua, NH Weather & Growing Conditions
Today
77°F
Mostly Sunny
Mostly sunny. High near 77, with temperatures falling to around 70 in the afternoon. Southwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Mostly Sunny | 0 to 5 mph SW | 3% |
| Tonight | 56°F | Partly Cloudy | 5 mph S | 2% |
| Thursday | 75°F | Mostly Cloudy then Chance Light Rain | 5 to 10 mph S | 32% |
| Thursday Night | 60°F | Chance Light Rain | 0 to 5 mph SW | 43% |
| Friday | 71°F | Light Rain | 0 to 5 mph S | 79% |
| Friday Night | 54°F | Light Rain | 0 mph | 89% |
| Saturday | 65°F | Light Rain Likely | 0 to 5 mph N | 69% |
| Saturday Night | 42°F | Chance Light Rain | 0 to 5 mph NW | 32% |
| Sunday | 59°F | Chance Light Rain then Mostly Sunny | 5 mph NW | 26% |
| Sunday Night | 35°F | Partly Cloudy | 0 to 5 mph W | 6% |
| Monday | 55°F | Mostly Sunny | 5 to 10 mph W | 14% |
| Monday Night | 33°F | Partly Cloudy | 5 mph W | 12% |
| Tuesday | 58°F | Mostly Sunny | 5 to 10 mph SW | 8% |
| Tuesday Night | 32°F | Partly Cloudy | 5 mph W | 8% |
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 (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.