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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

WhenTempForecastWindPrecip
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

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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.