Keene, NH Weather & Growing Conditions
Tonight
45°F
Mostly Cloudy
Mostly cloudy, with a low around 45. South wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Mostly Cloudy | 0 mph | 2% |
| Wednesday | 74°F | Mostly Sunny | 0 to 5 mph S | 4% |
| Wednesday Night | 53°F | Partly Cloudy | 0 to 5 mph S | 2% |
| Thursday | 69°F | Light Rain Likely | 5 to 10 mph S | 66% |
| Thursday Night | 58°F | Scattered Rain Showers | 0 to 5 mph SW | 45% |
| Friday | 68°F | Light Rain Likely | 0 mph | 64% |
| Friday Night | 51°F | Light Rain | 0 mph | 76% |
| Saturday | 62°F | Light Rain Likely | 0 to 5 mph NW | 63% |
| Saturday Night | 40°F | Chance Light Rain | 0 to 5 mph W | 39% |
| Sunday | 57°F | Chance Light Rain then Partly Sunny | 5 mph W | 25% |
| Sunday Night | 33°F | Partly Cloudy | 0 to 5 mph W | 11% |
| Monday | 55°F | Slight Chance Light Rain | 0 to 10 mph W | 21% |
| Monday Night | 31°F | Slight Chance Light Rain | 0 to 5 mph W | 21% |
| Tuesday | 56°F | Mostly Sunny then Slight Chance Light Rain | 5 to 10 mph SW | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Keene, NH
Last spring frost
May 14
First fall frost
Oct 1
Growing season
138 days
Hardiness zone
5b
Explore more for Keene, NH: full frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, Keene, Nh (2.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.