Nashua, NH Weather & Growing Conditions
Overnight
46°F
Partly Cloudy
Partly cloudy, with a low around 46. North wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 67°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Saturday Night | 44°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Sunday | 60°F | Mostly Cloudy then Rain | 0 to 5 mph SE | 92% |
| Sunday Night | 46°F | Rain | 0 to 5 mph NE | 86% |
| Monday | 66°F | Partly Sunny | 5 mph N | 6% |
| Monday Night | 44°F | Mostly Cloudy | 0 to 5 mph N | 0% |
| Tuesday | 62°F | Partly Sunny | 5 mph NE | 1% |
| Tuesday Night | 43°F | Mostly Cloudy | 0 to 5 mph NE | 1% |
| Wednesday | 62°F | Partly Sunny | 5 to 10 mph NE | 1% |
| Wednesday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph NE | 17% |
| Thursday | 61°F | Chance Rain Showers | 5 to 10 mph NE | 31% |
| Thursday Night | 43°F | Chance Rain Showers | 5 to 10 mph N | 34% |
| Friday | 62°F | Chance Rain Showers | 10 mph N | 34% |
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.