Belmont, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Belmont, a community in Belknap County, New Hampshire.
Tonight
43°F
Partly Cloudy
Partly cloudy, with a low around 43. North wind 0 to 5 mph.
7-day forecast for Belmont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 64°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 44°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Sunday | 59°F | Rain Showers | 0 to 5 mph SE | 81% |
| 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 | 45°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) for Belmont (43.440, -71.479). Updated through the day.
Growing snapshot for Belmont
Last spring frost
Apr 30
First fall frost
Oct 18
Growing season
170 days
Hardiness zone
5b
More local growing data for Belmont: nearby ZIP 03220 weather · frost dates · planting calendar · New Hampshire frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lakeport 2, Nh (5.2 mi from Belmont). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.