Milton, NH Weather & Growing Conditions
Overnight
47°F
Mostly Cloudy
Mostly cloudy, with a low around 47. West wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Mostly Cloudy | 0 to 5 mph W | 3% |
| Wednesday | 72°F | Mostly Sunny | 5 to 10 mph SW | 6% |
| Wednesday Night | 53°F | Partly Cloudy | 5 mph SW | 3% |
| Thursday | 69°F | Scattered Rain Showers | 5 to 10 mph SW | 36% |
| Thursday Night | 57°F | Isolated Rain Showers | 5 to 10 mph SW | 18% |
| Friday | 65°F | Light Rain Likely | 5 mph SW | 70% |
| Friday Night | 51°F | Light Rain | 0 to 5 mph NE | 82% |
| Saturday | 58°F | Light Rain Likely | 5 mph N | 73% |
| Saturday Night | 42°F | Chance Light Rain | 5 mph NW | 53% |
| Sunday | 55°F | Chance Light Rain | 5 to 10 mph W | 30% |
| Sunday Night | 36°F | Partly Cloudy | 5 mph W | 14% |
| Monday | 52°F | Slight Chance Light Rain | 5 to 15 mph W | 20% |
| Monday Night | 34°F | Slight Chance Light Rain | 5 to 10 mph W | 17% |
| Tuesday | 52°F | Slight Chance Light Rain | 10 to 15 mph W | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Milton, NH
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
161 days
Hardiness zone
5b
Explore more for Milton, NH: full frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, Rochester Skyhaven Ap, Nh (12.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.