Nashua, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Nashua, a city in Hillsborough County, New Hampshire.
Today
86°F
Sunny
Sunny, with a high near 86. West wind 0 to 5 mph.
7-day forecast for Nashua
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 0 to 5 mph W | 0% |
| Tonight | 59°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Wednesday | 87°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 | 32% |
| 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 | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 37% |
| Sunday | 90°F | Sunny | 0 to 5 mph W | 10% |
| Sunday Night | 68°F | Mostly Clear | 0 to 5 mph W | 10% |
| Monday | 90°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph W | 15% |
| Monday Night | 66°F | Mostly Clear | 0 to 10 mph W | 14% |
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 Aug 4, 2026.