Harman US

Farmington, NH Weather & Growing Conditions

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

Today
75°F
Mostly Sunny
Mostly sunny. High near 75, with temperatures falling to around 67 in the afternoon. West wind 0 to 5 mph.

7-day forecast for Farmington

WhenTempForecastWindPrecip
Today 75°F Mostly Sunny 0 to 5 mph W 3%
Tonight 53°F Partly Cloudy 5 mph SW 2%
Thursday 71°F Mostly Cloudy then Chance Light Rain 5 to 10 mph S 52%
Thursday Night 57°F Mostly Cloudy then Slight Chance Light Rain 0 to 10 mph SW 21%
Friday 69°F Light Rain Likely 0 mph 67%
Friday Night 52°F Light Rain 0 to 5 mph NE 88%
Saturday 62°F Light Rain Likely 5 mph N 74%
Saturday Night 42°F Chance Light Rain 5 to 10 mph N 39%
Sunday 56°F Chance Light Rain 5 to 10 mph NW 33%
Sunday Night 35°F Partly Cloudy 5 mph W 8%
Monday 52°F Mostly Sunny 5 to 15 mph W 13%
Monday Night 33°F Partly Cloudy 5 mph W 12%
Tuesday 55°F Mostly Sunny 10 to 15 mph W 9%
Tuesday Night 32°F Partly Cloudy 5 to 10 mph W 8%

Forecast source: National Weather Service (api.weather.gov) for Farmington (43.399, -71.072). Updated through the day.

Growing snapshot for Farmington

Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
161 days
Hardiness zone
6a

More local growing data for Farmington: nearby ZIP 03835 weather · frost dates · planting calendar · New Hampshire frost dates

Nearby towns & communities

All New Hampshire locations ›

Climate data from the nearest NOAA station, Rochester Skyhaven Ap, Nh (9.4 mi from Farmington). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.