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Littleton, NH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Littleton, a community in Grafton County, New Hampshire.

Today
77°F
Sunny
Sunny, with a high near 77. Northwest wind 0 to 10 mph.

7-day forecast for Littleton

WhenTempForecastWindPrecip
Today 77°F Sunny 0 to 10 mph NW 0%
Tonight 57°F Mostly Clear 0 to 5 mph SW 0%
Wednesday 81°F Mostly Sunny 0 to 5 mph SW 0%
Wednesday Night 62°F Partly Cloudy 0 to 5 mph S 5%
Thursday 82°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph SW 34%
Thursday Night 65°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 0 mph 32%
Friday 81°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 0 to 5 mph W 45%
Friday Night 63°F Chance Showers And Thunderstorms 0 mph 43%
Saturday 79°F Chance Showers And Thunderstorms 0 mph 49%
Saturday Night 62°F Chance Showers And Thunderstorms 0 mph 44%
Sunday 82°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph SW 18%
Sunday Night 62°F Slight Chance Showers And Thunderstorms 5 mph SW 24%
Monday 80°F Chance Showers And Thunderstorms 5 to 10 mph SW 51%
Monday Night 59°F Chance Showers And Thunderstorms 5 mph W 50%

Forecast source: National Weather Service (api.weather.gov) for Littleton (44.331, -71.769). Updated through the day.

Growing snapshot for Littleton

Last spring frost
May 24
First fall frost
Sep 18
Growing season
116 days
Hardiness zone
4b

More local growing data for Littleton: nearby ZIP 03561 weather · frost dates · planting calendar · New Hampshire frost dates

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Climate data from the nearest NOAA station, Bethlehem 2, Nh (7.3 mi from Littleton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.