Nashua, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Nashua, a city in Hillsborough County, New Hampshire.
Tonight
49°F
Mostly Cloudy
Mostly cloudy, with a low around 49. South wind around 0 mph.
7-day forecast for Nashua
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Mostly Cloudy | 0 mph | 2% |
| Wednesday | 77°F | Mostly Sunny | 0 to 5 mph SW | 4% |
| Wednesday Night | 56°F | Partly Cloudy | 0 to 5 mph SW | 2% |
| Thursday | 74°F | Scattered Rain Showers | 5 to 10 mph SW | 31% |
| Thursday Night | 61°F | Scattered Rain Showers | 0 to 5 mph SW | 52% |
| Friday | 70°F | Light Rain | 0 to 5 mph S | 80% |
| Friday Night | 54°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 | 0 to 10 mph W | 19% |
| Monday Night | 33°F | Slight Chance Light Rain | 5 mph W | 19% |
| Tuesday | 58°F | Mostly Sunny | 5 to 10 mph SW | 11% |
Forecast source: National Weather Service (api.weather.gov) for Nashua (42.749, -71.491). Updated through the day.
Growing snapshot for Nashua
Last spring frost
Apr 29
First fall frost
Oct 8
Growing season
162 days
Hardiness zone
6a
More local growing data for Nashua: nearby ZIP 03062 weather · frost dates · planting calendar · New Hampshire frost dates
Nearby towns & communities
Amherst
Antrim
Bennington
East Merrimack
Francestown
Goffstown
Greenville
Hancock
Hillsborough
Hudson
Klondike Corner
Manchester
Milford
New Boston
Peterborough
Pinardville
South Hooksett
Wilton
Climate data from the nearest NOAA station, Nashua Cwsu, Nh (1.4 mi from Nashua). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.