Claremont, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Claremont, a city in Sullivan County, New Hampshire.
Overnight
55°F
Areas Of Fog
Areas of fog after 5am. Partly cloudy, with a low around 55. West wind around 0 mph.
7-day forecast for Claremont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Areas Of Fog | 0 mph | 0% |
| Tuesday | 83°F | Areas Of Fog then Sunny | 0 to 10 mph W | 0% |
| Tuesday Night | 58°F | Partly Cloudy then Areas Of Fog | 0 to 5 mph SW | 0% |
| Wednesday | 86°F | Areas Of Fog then Partly Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 65°F | Partly Cloudy | 0 to 5 mph S | 10% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 43% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 37% |
| Friday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 25% |
| Friday Night | 66°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 24% |
| Saturday | 86°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph W | 49% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 42% |
| Sunday | 88°F | Sunny | 0 to 5 mph W | 10% |
| Sunday Night | 66°F | Mostly Clear | 0 to 5 mph SW | 10% |
| Monday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 25% |
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 Aug 4, 2026.