Milton, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Milton, a community in Strafford County, New Hampshire.
Overnight
48°F
Partly Cloudy
Partly cloudy, with a low around 48. Southwest wind around 0 mph.
7-day forecast for Milton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Partly Cloudy | 0 mph | 2% |
| Wednesday | 73°F | Mostly Sunny | 5 mph SW | 3% |
| Wednesday Night | 53°F | Partly Cloudy | 5 mph SW | 2% |
| Thursday | 70°F | Mostly Cloudy then Chance Light Rain | 5 to 10 mph SW | 51% |
| Thursday Night | 58°F | Mostly Cloudy then Slight Chance Light Rain | 5 to 10 mph SW | 20% |
| Friday | 68°F | Light Rain Likely | 0 to 5 mph S | 68% |
| Friday Night | 52°F | Light Rain | 0 to 5 mph NE | 89% |
| Saturday | 60°F | Light Rain | 5 mph N | 75% |
| Saturday Night | 43°F | Chance Light Rain | 5 to 10 mph N | 39% |
| Sunday | 55°F | Chance Light Rain | 5 to 10 mph NW | 33% |
| Sunday Night | 36°F | Partly Cloudy | 5 mph W | 8% |
| Monday | 51°F | Mostly Sunny | 5 to 15 mph W | 13% |
| Monday Night | 34°F | Partly Cloudy | 5 to 10 mph W | 13% |
| Tuesday | 53°F | Mostly Sunny | 10 to 15 mph W | 9% |
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.