Harman US

Wilton, NH Weather & Growing Conditions

Today
64°F
Mostly Sunny
Mostly sunny, with a high near 64. Northeast wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 64°F Mostly Sunny 0 to 5 mph NE 0%
Tonight 44°F Partly Cloudy 0 mph 0%
Sunday 55°F Chance Rain Showers then Rain 0 to 5 mph SE 93%
Sunday Night 45°F Rain then Chance Rain Showers 0 to 5 mph NE 88%
Monday 62°F Mostly Sunny 5 mph N 3%
Monday Night 42°F Mostly Cloudy 5 mph N 0%
Tuesday 58°F Partly Sunny 5 mph NE 1%
Tuesday Night 41°F Mostly Cloudy 0 to 5 mph NE 1%
Wednesday 59°F Mostly Sunny 5 to 10 mph NE 1%
Wednesday Night 40°F Mostly Cloudy then Slight Chance Rain Showers 0 to 5 mph NE 16%
Thursday 57°F Chance Rain Showers 5 to 10 mph NE 32%
Thursday Night 43°F Chance Rain Showers 5 to 10 mph NE 33%
Friday 59°F Chance Rain Showers 10 mph N 33%
Friday Night 44°F Chance Rain Showers 5 to 10 mph NE 33%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Wilton, NH

Last spring frost
May 3
First fall frost
Oct 5
Growing season
156 days
Hardiness zone
6a

Explore more for Wilton, NH: full frost dates · planting calendar · New Hampshire frost dates

Climate data from the nearest NOAA station, Milford, Nh (7.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.