Milton, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Milton, a community in Strafford County, New Hampshire.
Tonight
47°F
Slight Chance Rain Showers then Mostly Cloudy
A slight chance of rain showers before 8pm. Mostly cloudy, with a low around 47. South wind around 0 mph. Chance of precipitation is 20%.
7-day forecast for Milton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 0 mph | 15% |
| Wednesday | 73°F | Mostly Sunny | 5 to 10 mph SW | 6% |
| Wednesday Night | 53°F | Partly Cloudy | 5 mph SW | 3% |
| Thursday | 70°F | Scattered Rain Showers | 5 to 10 mph SW | 34% |
| Thursday Night | 58°F | Isolated Rain Showers | 5 mph SW | 19% |
| Friday | 66°F | Light Rain Likely | 0 to 5 mph S | 71% |
| Friday Night | 52°F | Light Rain | 0 to 5 mph NE | 82% |
| Saturday | 59°F | Light Rain Likely | 5 mph N | 73% |
| Saturday Night | 42°F | Chance Light Rain | 5 to 10 mph NW | 52% |
| Sunday | 56°F | Chance Light Rain | 5 to 10 mph W | 29% |
| Sunday Night | 36°F | Partly Cloudy | 5 mph W | 14% |
| Monday | 53°F | Slight Chance Light Rain | 5 to 15 mph W | 20% |
| Monday Night | 34°F | Slight Chance Light Rain | 5 to 10 mph W | 18% |
| Tuesday | 53°F | Slight Chance Light Rain | 10 to 15 mph W | 16% |
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
Nearby towns & communities
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 Nov 4, 2026.