National Weather Service Forecast for: Hanover NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 6:01 pm EST Dec 17, 2025
 
Tonight

Tonight: Partly cloudy, with a low around 18. West wind around 5 mph becoming calm in the evening.
Partly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 42. Calm wind becoming south around 5 mph in the afternoon.
Mostly Sunny

 Thursday
Night
Thursday Night: Rain, mainly after 2am. Temperature rising to around 45 by 5am. South wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Chance Rain
then Rain
 Friday

Friday: Rain before 5pm, then a chance of rain and snow. High near 54. South wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Rain then
Rain/Snow
 Friday
Night
Friday Night: A 30 percent chance of snow before 7pm. Mostly cloudy, with a low around 19. West wind around 10 mph, with gusts as high as 20 mph.
Chance Snow
then Mostly
Cloudy
 Saturday

Saturday: Mostly sunny, with a high near 33.
Mostly Sunny

 Saturday
Night
Saturday Night: A 30 percent chance of snow after 2am. Mostly cloudy, with a low around 25.
Cloudy then
Chance Snow
 Sunday

Sunday: Partly sunny, with a high near 39.
Partly Sunny

 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 13.
Mostly Cloudy
Lo 18 °F Hi 42 °F Lo 36 °F⇑ Hi 54 °F Lo 19 °F Hi 33 °F Lo 25 °F Hi 39 °F Lo 13 °F

 

Tonight
 
 Partly cloudy, with a low around 18. West wind around 5 mph becoming calm in the evening.
Thursday
 
 Mostly sunny, with a high near 42. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
 
 Rain, mainly after 2am. Temperature rising to around 45 by 5am. South wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
 
 Rain before 5pm, then a chance of rain and snow. High near 54. South wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
 
 A 30 percent chance of snow before 7pm. Mostly cloudy, with a low around 19. West wind around 10 mph, with gusts as high as 20 mph.
Saturday
 
 Mostly sunny, with a high near 33.
Saturday Night
 
 A 30 percent chance of snow after 2am. Mostly cloudy, with a low around 25.
Sunday
 
 Partly sunny, with a high near 39.
Sunday Night
 
 Mostly cloudy, with a low around 13.
Monday
 
 Mostly sunny, with a high near 22.
Monday Night
 
 Partly cloudy, with a low around 10.
Tuesday
 
 A 50 percent chance of snow. Mostly cloudy, with a high near 31.
Tuesday Night
 
 A 30 percent chance of snow. Mostly cloudy, with a low around 18.
Wednesday
 
 Partly sunny, with a high near 30.

 

Forecast from NOAA-NWS for Hanover NH.