National Weather Service Forecast for: Lebanon NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 11:44 pm EST Dec 16, 2025
 
Overnight

Overnight: Mostly cloudy, with a low around 19. South wind around 5 mph.
Mostly Cloudy
Wednesday

Wednesday: Mostly cloudy, with a high near 40. South wind 5 to 10 mph.
Mostly Cloudy
Wednesday
Night
Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 19. West wind 5 to 10 mph becoming light and variable  after midnight.
Decreasing
Clouds
Thursday

Thursday: Partly sunny, with a high near 43. Light southeast wind becoming south 5 to 10 mph in the morning.
Partly Sunny
Thursday
Night
Thursday Night: Rain, mainly after 11pm.  Low around 34. South wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%.
Chance Rain
then Rain
Friday

Friday: Rain, mainly before 1pm.  High near 51. Chance of precipitation is 90%.
Rain
Friday
Night
Friday Night: Mostly cloudy, with a low around 19.
Mostly Cloudy
Saturday

Saturday: Mostly sunny, with a high near 32.
Mostly Sunny
Saturday
Night
Saturday Night: A 30 percent chance of snow after 9pm.  Mostly cloudy, with a low around 25.
Chance Snow
Lo 19 °F Hi 40 °F Lo 19 °F Hi 43 °F Lo 34 °F Hi 51 °F Lo 19 °F Hi 32 °F Lo 25 °F

Hazardous Weather Outlook
 

Overnight
 
Mostly cloudy, with a low around 19. South wind around 5 mph.
Wednesday
 
Mostly cloudy, with a high near 40. South wind 5 to 10 mph.
Wednesday Night
 
Mostly cloudy, then gradually becoming mostly clear, with a low around 19. West wind 5 to 10 mph becoming light and variable after midnight.
Thursday
 
Partly sunny, with a high near 43. Light southeast wind becoming south 5 to 10 mph in the morning.
Thursday Night
 
Rain, mainly after 11pm. Low around 34. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Friday
 
Rain, mainly before 1pm. High near 51. Chance of precipitation is 90%.
Friday Night
 
Mostly cloudy, with a low around 19.
Saturday
 
Mostly sunny, with a high near 32.
Saturday Night
 
A 30 percent chance of snow after 9pm. Mostly cloudy, with a low around 25.
Sunday
 
Mostly cloudy, with a high near 39.
Sunday Night
 
Mostly cloudy, with a low around 15.
Monday
 
Mostly sunny, with a high near 26.
Monday Night
 
Partly cloudy, with a low around 11.
Tuesday
 
A 40 percent chance of snow. Partly sunny, with a high near 30.

 

Forecast from NOAA-NWS for Lebanon NH.