Keene, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Keene, a city in Cheshire County, New Hampshire.
Today
84°F
Sunny
Sunny, with a high near 84. Southwest wind 0 to 5 mph.
7-day forecast for Keene
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 0 to 5 mph SW | 0% |
| Tonight | 58°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Wednesday | 84°F | Partly Sunny | 0 to 5 mph S | 0% |
| Wednesday Night | 66°F | Partly Cloudy | 0 to 5 mph S | 9% |
| Thursday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 53% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 45% |
| Friday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 28% |
| Friday Night | 67°F | Chance Showers And Thunderstorms | 0 mph | 26% |
| Saturday | 86°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph W | 38% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 33% |
| Sunday | 87°F | Sunny | 0 to 5 mph W | 10% |
| Sunday Night | 66°F | Mostly Clear | 0 to 5 mph SW | 9% |
| Monday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph SW | 19% |
| Monday Night | 64°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph W | 18% |
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 Aug 4, 2026.