Canaan, NH Weather & Growing Conditions
This Afternoon
64°F
Cloudy
Cloudy, with a high near 64. Southwest wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Cloudy | 0 mph | 13% |
| Tonight | 47°F | Mostly Cloudy | 0 mph | 7% |
| Wednesday | 74°F | Partly Sunny | 0 to 5 mph W | 5% |
| Wednesday Night | 50°F | Partly Cloudy | 0 to 5 mph SW | 2% |
| Thursday | 68°F | Light Rain Likely | 5 mph S | 58% |
| Thursday Night | 55°F | Scattered Rain Showers | 0 to 5 mph SW | 27% |
| Friday | 66°F | Chance Light Rain | 0 mph | 54% |
| Friday Night | 50°F | Light Rain Likely | 0 to 5 mph N | 74% |
| Saturday | 60°F | Light Rain Likely | 5 mph NW | 68% |
| Saturday Night | 40°F | Chance Light Rain | 0 to 5 mph W | 54% |
| Sunday | 54°F | Chance Light Rain | 5 to 10 mph W | 28% |
| Sunday Night | 33°F | Mostly Cloudy | 5 mph W | 11% |
| Monday | 52°F | Slight Chance Light Rain | 5 to 10 mph NW | 24% |
| Monday Night | 31°F | Slight Chance Light Rain | 5 mph W | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Canaan, NH
Last spring frost
May 21
First fall frost
Sep 26
Growing season
127 days
Hardiness zone
5a
Explore more for Canaan, NH: full frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, Grafton, Nh (0.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.