Belmont, NH Weather & Growing Conditions
Tonight
43°F
Partly Cloudy
Partly cloudy, with a low around 43. Northeast wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 64°F | Sunny | 0 to 5 mph W | 0% |
| Saturday Night | 45°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Sunday | 59°F | Rain Showers | 0 to 5 mph SE | 82% |
| Sunday Night | 48°F | Rain Showers | 0 mph | 78% |
| Monday | 64°F | Mostly Sunny | 0 to 5 mph N | 4% |
| Monday Night | 44°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Tuesday | 61°F | Partly Sunny | 5 mph NE | 1% |
| Tuesday Night | 43°F | Mostly Cloudy | 0 to 5 mph NE | 1% |
| Wednesday | 60°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Wednesday Night | 43°F | Mostly Cloudy | 0 to 5 mph E | 8% |
| Thursday | 58°F | Chance Rain Showers | 5 mph NE | 25% |
| Thursday Night | 46°F | Chance Rain Showers | 0 to 5 mph NE | 25% |
| Friday | 63°F | Slight Chance Rain Showers | 5 mph N | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Belmont, NH
Last spring frost
Apr 30
First fall frost
Oct 18
Growing season
170 days
Hardiness zone
5b
Explore more for Belmont, NH: full frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, Lakeport 2, Nh (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.