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Londonderry, NH Weather & Growing Conditions

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

This Afternoon
66°F
Mostly Sunny
Mostly sunny, with a high near 66. South wind around 5 mph.

7-day forecast for Londonderry

WhenTempForecastWindPrecip
This Afternoon 66°F Mostly Sunny 5 mph S 0%
Tonight 45°F Partly Cloudy 0 to 5 mph S 0%
Sunday 58°F Rain 0 to 5 mph SE 100%
Sunday Night 47°F Rain 5 mph NE 76%
Monday 67°F Patchy Fog then Mostly Sunny 5 mph N 0%
Monday Night 46°F Mostly Cloudy 0 to 5 mph NE 0%
Tuesday 62°F Partly Sunny 5 mph NE 1%
Tuesday Night 43°F Partly Cloudy 0 to 5 mph NE 0%
Wednesday 61°F Mostly Sunny 5 to 10 mph NE 1%
Wednesday Night 42°F Partly Cloudy then Slight Chance Rain Showers 0 to 5 mph NE 15%
Thursday 61°F Slight Chance Rain Showers 5 to 10 mph NE 19%
Thursday Night 44°F Chance Rain Showers 5 to 10 mph NE 33%
Friday 62°F Chance Rain Showers 10 mph N 38%
Friday Night 46°F Chance Rain Showers 10 to 15 mph N 40%

Forecast source: National Weather Service (api.weather.gov) for Londonderry (42.853, -71.362). Updated through the day.

Growing snapshot for Londonderry

Last spring frost
Apr 21
First fall frost
Oct 19
Growing season
180 days
Hardiness zone
6a

More local growing data for Londonderry: nearby ZIP 03053 weather · frost dates · planting calendar · New Hampshire frost dates

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Climate data from the nearest NOAA station, Manchester Ap, Nh (5.2 mi from Londonderry). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.