Nashua, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Nashua, a city in Hillsborough County, New Hampshire.
Today
68°F
Mostly Sunny
Mostly sunny, with a high near 68. Northeast wind around 0 mph.
7-day forecast for Nashua
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Mostly Sunny | 0 mph | 0% |
| Tonight | 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 | 63°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 | 44°F | Chance Rain Showers | 5 to 10 mph N | 34% |
| Friday | 63°F | Chance Rain Showers | 10 mph N | 34% |
| Friday Night | 44°F | Chance Rain Showers | 5 to 10 mph N | 35% |
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 Sep 19, 2026.