Claremont, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Claremont, a city in Sullivan County, New Hampshire.
Tonight
44°F
Partly Cloudy
Partly cloudy, with a low around 44. South wind around 0 mph.
7-day forecast for Claremont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 44°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 53°F | Rain | 0 to 5 mph NE | 100% |
| Sunday Night | 46°F | Rain then Patchy Fog | 0 to 5 mph NE | 77% |
| Monday | 64°F | Patchy Fog then Mostly Sunny | 5 to 10 mph N | 0% |
| Monday Night | 40°F | Mostly Cloudy | 0 to 5 mph N | 0% |
| Tuesday | 63°F | Partly Sunny | 0 to 5 mph NE | 0% |
| Tuesday Night | 41°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Wednesday | 64°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Wednesday Night | 40°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Thursday | 63°F | Partly Sunny then Slight Chance Rain Showers | 5 mph NE | 16% |
| Thursday Night | 43°F | Chance Rain Showers | 0 to 5 mph NE | 32% |
| Friday | 63°F | Chance Rain Showers | 5 mph N | 32% |
| Friday Night | 46°F | Chance Rain Showers | 5 to 10 mph N | 37% |
| Saturday | 66°F | Chance Rain Showers | 10 mph N | 36% |
Forecast source: National Weather Service (api.weather.gov) for Claremont (43.386, -72.334). Updated through the day.
Growing snapshot for Claremont
Last spring frost
May 14
First fall frost
Oct 1
Growing season
140 days
Hardiness zone
5b
More local growing data for Claremont: nearby ZIP 03743 weather · frost dates · planting calendar · New Hampshire frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Newport, Nh (7.4 mi from Claremont). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.