Nashua, NH Weather & Growing Conditions
Overnight
49°F
Mostly Clear
Mostly clear, with a low around 49. South wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Mostly Clear | 0 mph | 2% |
| Wednesday | 77°F | Mostly Sunny | 0 to 5 mph SW | 3% |
| Wednesday Night | 56°F | Partly Cloudy | 5 mph SW | 2% |
| Thursday | 74°F | Mostly Cloudy then Chance Light Rain | 5 to 10 mph S | 34% |
| Thursday Night | 60°F | Chance Light Rain | 0 to 5 mph SW | 43% |
| Friday | 71°F | Light Rain | 0 mph | 77% |
| Friday Night | 53°F | Light Rain | 0 mph | 88% |
| Saturday | 65°F | Light Rain Likely | 0 to 5 mph N | 68% |
| Saturday Night | 42°F | Chance Light Rain | 0 to 5 mph NW | 34% |
| Sunday | 59°F | Chance Light Rain then Mostly Sunny | 5 mph NW | 27% |
| 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% |
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 Nov 4, 2026.