National Weather Service Forecast for: Windham NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 12:38 am EST Dec 5, 2025
 
Overnight

Overnight: Mostly clear, with a low around 7. Wind chill values as low as -1. Northwest wind around 5 mph.
Mostly Clear

Friday

Friday: Sunny, with a high near 24. Calm wind becoming southwest around 5 mph.
Sunny

Friday
Night
Friday Night: Mostly cloudy, with a low around 13. Calm wind.
Mostly Cloudy

Saturday

Saturday: A chance of snow showers between 10am and 11am.  Mostly cloudy, with a high near 35. Calm wind becoming south around 5 mph.  Chance of precipitation is 30%.
Chance Snow
Showers then
Mostly Cloudy
Saturday
Night
Saturday Night: Partly cloudy, with a low around 20. Calm wind becoming west around 5 mph after midnight.
Partly Cloudy

Sunday

Sunday: Partly sunny, with a high near 35.
Partly Sunny

Sunday
Night
Sunday Night: A 50 percent chance of snow after 9pm.  Mostly cloudy, with a low around 15.
Chance Snow

Monday

Monday: A 30 percent chance of snow before 7am.  Mostly sunny, with a high near 23.
Chance Snow
then Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 2.
Mostly Clear

Lo 7 °F Hi 24 °F Lo 13 °F Hi 35 °F Lo 20 °F Hi 35 °F Lo 15 °F Hi 23 °F Lo 2 °F

 

Overnight
 
Mostly clear, with a low around 7. Wind chill values as low as -1. Northwest wind around 5 mph.
Friday
 
Sunny, with a high near 24. Calm wind becoming southwest around 5 mph.
Friday Night
 
Mostly cloudy, with a low around 13. Calm wind.
Saturday
 
A chance of snow showers between 10am and 11am. Mostly cloudy, with a high near 35. Calm wind becoming south around 5 mph. Chance of precipitation is 30%.
Saturday Night
 
Partly cloudy, with a low around 20. Calm wind becoming west around 5 mph after midnight.
Sunday
 
Partly sunny, with a high near 35.
Sunday Night
 
A 50 percent chance of snow after 9pm. Mostly cloudy, with a low around 15.
Monday
 
A 30 percent chance of snow before 7am. Mostly sunny, with a high near 23.
Monday Night
 
Mostly clear, with a low around 2.
Tuesday
 
Partly sunny, with a high near 29.
Tuesday Night
 
A 40 percent chance of snow. Mostly cloudy, with a low around 19.
Wednesday
 
A 30 percent chance of snow. Mostly cloudy, with a high near 41.
Wednesday Night
 
Rain and snow likely. Cloudy, with a low around 31. Chance of precipitation is 60%.
Thursday
 
A 40 percent chance of rain. Mostly cloudy, with a high near 40.

 

Forecast from NOAA-NWS for Windham NH.