Nashua, NH Weather & Growing Conditions
Today
86°F
Sunny
Sunny, with a high near 86. West wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 0 to 5 mph W | 0% |
| Tonight | 59°F | Mostly Clear | 0 to 5 mph W | 0% |
| Wednesday | 86°F | Partly Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 66°F | Partly Cloudy | 0 to 5 mph SW | 8% |
| Thursday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 38% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 33% |
| Friday | 91°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 29% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 27% |
| Saturday | 89°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph W | 41% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 37% |
| Sunday | 89°F | Sunny | 0 to 5 mph W | 10% |
| Sunday Night | 68°F | Mostly Clear | 0 to 5 mph W | 9% |
| Monday | 90°F | Sunny | 0 to 10 mph W | 14% |
| Monday Night | 66°F | Mostly Clear | 0 to 10 mph W | 14% |
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 Aug 4, 2026.