Milton, NH Weather & Growing Conditions
Tonight
44°F
Partly Cloudy
Partly cloudy, with a low around 44. South wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 44°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Sunday | 56°F | Rain | 0 to 5 mph SE | 90% |
| Sunday Night | 47°F | Rain | 0 to 10 mph NE | 76% |
| Monday | 65°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Monday Night | 41°F | Mostly Cloudy | 5 mph N | 0% |
| Tuesday | 60°F | Partly Sunny | 5 mph NE | 0% |
| Tuesday Night | 43°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Wednesday | 60°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Wednesday Night | 42°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Thursday | 60°F | Slight Chance Rain Showers | 5 to 10 mph NE | 16% |
| Thursday Night | 45°F | Chance Rain Showers | 0 to 15 mph NE | 30% |
| Friday | 60°F | Chance Rain Showers | 10 to 15 mph NE | 34% |
| Friday Night | 48°F | Chance Rain Showers | 10 to 20 mph N | 39% |
| Saturday | 62°F | Chance Rain Showers | 15 to 20 mph N | 38% |
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 Sep 20, 2026.