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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.

This Afternoon
61°F
Sunny
Sunny, with a high near 61. Northwest wind around 0 mph.

7-day forecast for Littleton

WhenTempForecastWindPrecip
This Afternoon 61°F Sunny 0 mph 0%
Tonight 39°F Partly Cloudy 0 to 5 mph SE 0%
Sunday 53°F Rain 0 to 5 mph SE 100%
Sunday Night 41°F Rain Likely then Patchy Fog 0 to 5 mph NE 66%
Monday 57°F Patchy Fog then Partly Sunny 5 mph N 0%
Monday Night 35°F Mostly Cloudy 0 to 5 mph N 0%
Tuesday 60°F Mostly Sunny 0 to 5 mph NE 0%
Tuesday Night 36°F Mostly Clear 5 mph NE 0%
Wednesday 62°F Sunny 0 to 5 mph E 0%
Wednesday Night 36°F Partly Cloudy 0 to 5 mph E 0%
Thursday 62°F Mostly Sunny then Slight Chance Rain Showers 0 mph 15%
Thursday Night 39°F Slight Chance Rain Showers 0 to 5 mph NE 24%
Friday 61°F Chance Rain Showers 5 mph NE 30%
Friday Night 42°F Chance Rain Showers 5 to 10 mph NE 33%

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 Sep 19, 2026.