Brattleboro, NH Weather & Growing Conditions
This Afternoon
72°F
Sunny
Sunny, with a high near 72. North wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Sunny | 5 mph N | 0% |
| Tonight | 44°F | Mostly Cloudy | 5 mph N | 0% |
| Saturday | 64°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 46°F | Partly Cloudy | 0 to 5 mph S | 1% |
| Sunday | 58°F | Rain Showers | 0 to 5 mph SE | 92% |
| Sunday Night | 49°F | Rain Showers | 0 to 5 mph NE | 87% |
| Monday | 62°F | Mostly Sunny | 5 mph N | 8% |
| Monday Night | 44°F | Mostly Cloudy | 5 mph N | 3% |
| Tuesday | 59°F | Mostly Cloudy | 5 mph NE | 4% |
| Tuesday Night | 42°F | Mostly Cloudy | 0 to 5 mph NE | 2% |
| Wednesday | 58°F | Partly Sunny | 5 mph NE | 7% |
| Wednesday Night | 43°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph NE | 21% |
| Thursday | 57°F | Chance Rain Showers | 5 mph NE | 27% |
| Thursday Night | 46°F | Chance Rain Showers | 5 mph NE | 31% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brattleboro, NH
Last spring frost
May 14
First fall frost
Oct 1
Growing season
138 days
Hardiness zone
5b
Explore more for Brattleboro, NH: full frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, Keene, Nh (10.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.