Keene, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Keene, a city in Cheshire County, New Hampshire.
Overnight
46°F
Partly Cloudy
Partly cloudy, with a low around 46. Southeast wind around 0 mph.
7-day forecast for Keene
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Partly Cloudy | 0 mph | 2% |
| Wednesday | 73°F | Sunny | 0 to 5 mph S | 2% |
| Wednesday Night | 53°F | Partly Cloudy | 0 to 5 mph S | 1% |
| Thursday | 68°F | Chance Light Rain | 5 to 10 mph S | 50% |
| Thursday Night | 57°F | Chance Light Rain | 0 to 5 mph S | 52% |
| Friday | 69°F | Light Rain Likely | 0 mph | 58% |
| Friday Night | 51°F | Light Rain Likely | 0 mph | 73% |
| Saturday | 63°F | Chance Light Rain | 0 to 5 mph N | 49% |
| Saturday Night | 40°F | Chance Light Rain | 0 to 5 mph NW | 40% |
| Sunday | 56°F | Chance Light Rain then Partly Sunny | 5 mph NW | 28% |
| Sunday Night | 33°F | Partly Cloudy | 0 to 5 mph W | 8% |
| Monday | 53°F | Slight Chance Light Rain then Mostly Sunny | 0 to 10 mph W | 15% |
| Monday Night | 29°F | Partly Cloudy | 0 to 5 mph W | 11% |
| Tuesday | 56°F | Mostly Sunny | 0 to 10 mph SW | 7% |
Forecast source: National Weather Service (api.weather.gov) for Keene (42.954, -72.307). Updated through the day.
Growing snapshot for Keene
Last spring frost
May 14
First fall frost
Oct 1
Growing season
138 days
Hardiness zone
5b
More local growing data for Keene: nearby ZIP 03431 weather · frost dates · planting calendar · New Hampshire frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Keene, Nh (2.4 mi from Keene). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.