Nashua, NH Weather & Growing Conditions
Tonight
48°F
Mostly Cloudy
Mostly cloudy, with a low around 48. South wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Mostly Cloudy | 0 mph | 2% |
| Wednesday | 77°F | Mostly Sunny | 0 to 5 mph SW | 5% |
| Wednesday Night | 55°F | Partly Cloudy | 0 to 5 mph SW | 2% |
| Thursday | 74°F | Scattered Rain Showers | 5 to 10 mph SW | 33% |
| Thursday Night | 60°F | Scattered Rain Showers | 0 to 5 mph SW | 51% |
| Friday | 70°F | Light Rain | 0 to 5 mph SE | 79% |
| Friday Night | 53°F | Light Rain | 0 mph | 81% |
| Saturday | 64°F | Light Rain Likely | 5 mph NW | 71% |
| Saturday Night | 42°F | Light Rain Likely | 0 to 5 mph NW | 55% |
| 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 | 58°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 | 18% |
| Tuesday | 58°F | Mostly Sunny | 5 to 10 mph SW | 11% |
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 (0.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.