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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
68°F
Partly Sunny
Partly sunny. High near 68, with temperatures falling to around 62 in the afternoon. Southwest wind around 5 mph.

7-day forecast for Littleton

WhenTempForecastWindPrecip
Today 68°F Partly Sunny 5 mph SW 3%
Tonight 48°F Mostly Cloudy 5 mph SW 2%
Thursday 62°F Light Rain 5 mph SW 79%
Thursday Night 50°F Light Rain 0 to 10 mph SW 82%
Friday 61°F Chance Light Rain then Mostly Cloudy 0 mph 34%
Friday Night 46°F Light Rain Likely 0 to 5 mph NE 55%
Saturday 55°F Chance Light Rain 0 to 5 mph N 47%
Saturday Night 38°F Chance Light Rain 5 mph N 54%
Sunday 47°F Chance Light Rain 5 mph NW 41%
Sunday Night 32°F Mostly Cloudy then Slight Chance Light Rain 5 mph W 22%
Monday 42°F Chance Rain And Snow 5 to 10 mph W 32%
Monday Night 28°F Slight Chance Rain And Snow then Mostly Cloudy 5 to 10 mph W 23%
Tuesday 45°F Partly Sunny then Chance Light Rain 5 to 10 mph SW 27%
Tuesday Night 28°F Chance Rain And Snow 10 mph W 27%

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 Nov 4, 2026.