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Milton, NH Weather & Growing Conditions

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

Overnight
44°F
Mostly Clear
Mostly clear, with a low around 44. North wind around 0 mph.

7-day forecast for Milton

WhenTempForecastWindPrecip
Overnight 44°F Mostly Clear 0 mph 0%
Saturday 64°F Sunny 0 to 5 mph N 0%
Saturday Night 44°F Partly Cloudy 0 to 5 mph SW 0%
Sunday 58°F Mostly Cloudy then Rain 0 to 5 mph S 82%
Sunday Night 46°F Rain then Chance Rain Showers 0 to 5 mph NE 79%
Monday 65°F Mostly Sunny 5 to 10 mph N 3%
Monday Night 43°F Mostly Cloudy 5 mph N 0%
Tuesday 60°F Partly Sunny 5 mph NE 0%
Tuesday Night 42°F Partly Cloudy 0 to 10 mph NE 0%
Wednesday 60°F Mostly Sunny 10 mph NE 0%
Wednesday Night 41°F Partly Cloudy 0 to 5 mph NE 6%
Thursday 59°F Chance Rain Showers 5 to 10 mph NE 30%
Thursday Night 44°F Chance Rain Showers 5 to 15 mph NE 33%
Friday 61°F Chance Rain Showers 10 to 15 mph N 33%

Forecast source: National Weather Service (api.weather.gov) for Milton (43.403, -70.992). Updated through the day.

Growing snapshot for Milton

Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
161 days
Hardiness zone
5b

More local growing data for Milton: nearby ZIP 03851 weather · frost dates · planting calendar · New Hampshire frost dates

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Climate data from the nearest NOAA station, Rochester Skyhaven Ap, Nh (12.2 mi from Milton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.