Colebrook, NH Weather & Growing Conditions
This Afternoon
58°F
Sunny
Sunny, with a high near 58. West wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Sunny | 0 mph | 0% |
| Tonight | 38°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 51°F | Rain | 0 mph | 100% |
| Sunday Night | 40°F | Light Rain Likely then Patchy Fog | 0 mph | 56% |
| Monday | 52°F | Patchy Fog then Mostly Sunny | 0 to 5 mph NW | 0% |
| Monday Night | 34°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Tuesday | 56°F | Mostly Sunny | 0 mph | 0% |
| Tuesday Night | 36°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Wednesday | 59°F | Sunny | 0 to 5 mph E | 0% |
| Wednesday Night | 37°F | Mostly Clear | 0 mph | 0% |
| Thursday | 60°F | Mostly Sunny | 0 mph | 5% |
| Thursday Night | 40°F | Slight Chance Rain Showers | 0 to 5 mph E | 19% |
| Friday | 58°F | Chance Rain Showers | 0 to 5 mph NE | 30% |
| Friday Night | 43°F | Chance Rain Showers | 0 to 5 mph NE | 32% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Colebrook, NH
Last spring frost
May 19
First fall frost
Sep 29
Growing season
131 days
Hardiness zone
4a
Explore more for Colebrook, NH: full frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, N Stratford, Nh (10.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.