National Weather Service Forecast for: Keene NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 2:28 pm EDT Oct 6, 2026
 
Tonight

Tonight: Widespread frost, mainly after 3am.  Otherwise, mostly clear, with a low around 30. West wind around 5 mph becoming calm  in the evening.
Clear then
Frost
Wednesday

Wednesday: Widespread frost before 9am.  Otherwise, sunny, with a high near 64. Light south wind increasing to 5 to 10 mph in the afternoon.
Frost then
Sunny
Wednesday
Night
Wednesday Night: Increasing clouds, with a low around 46. South wind around 5 mph.
Increasing
Clouds
Thursday

Thursday: Sunny, with a high near 69. Light south wind becoming west 5 to 10 mph in the morning.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 43. Calm wind.
Mostly Clear
Friday

Friday: Sunny, with a high near 63.
Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 40.
Mostly Clear
Saturday

Saturday: Sunny, with a high near 65.
Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 43.
Mostly Clear
Lo 30 °F Hi 64 °F Lo 46 °F Hi 69 °F Lo 43 °F Hi 63 °F Lo 40 °F Hi 65 °F Lo 43 °F

 

Tonight
 
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 30. West wind around 5 mph becoming calm in the evening.
Wednesday
 
Widespread frost before 9am. Otherwise, sunny, with a high near 64. Light south wind increasing to 5 to 10 mph in the afternoon.
Wednesday Night
 
Increasing clouds, with a low around 46. South wind around 5 mph.
Thursday
 
Sunny, with a high near 69. Light south wind becoming west 5 to 10 mph in the morning.
Thursday Night
 
Mostly clear, with a low around 43. Calm wind.
Friday
 
Sunny, with a high near 63.
Friday Night
 
Mostly clear, with a low around 40.
Saturday
 
Sunny, with a high near 65.
Saturday Night
 
Mostly clear, with a low around 43.
Sunday
 
Mostly sunny, with a high near 71.
Sunday Night
 
A 30 percent chance of showers. Mostly cloudy, with a low around 51.
Columbus Day
 
A 30 percent chance of showers. Partly sunny, with a high near 68.
Monday Night
 
Mostly cloudy, with a low around 49.
Tuesday
 
Partly sunny, with a high near 66.

 

Forecast from NOAA-NWS for Keene NH.