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

Overnight: Mostly clear, with a low around 10. Wind chill values as low as -3. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Mostly Clear

Friday

Friday: Sunny, with a high near 23. Southwest wind 5 to 10 mph.
Sunny

Friday
Night
Friday Night: Partly cloudy, with a low around 17. Southwest wind around 5 mph becoming calm  after midnight.
Partly Cloudy

Saturday

Saturday: A chance of snow showers between noon and 2pm.  Mostly cloudy, with a high near 35. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 30%.
Mostly Cloudy
then Chance
Snow Showers
Saturday
Night
Saturday Night: Partly cloudy, with a low around 24. West wind around 5 mph.
Partly Cloudy

Sunday

Sunday: Partly sunny, with a high near 34.
Partly Sunny

Sunday
Night
Sunday Night: A 50 percent chance of snow after 9pm.  Mostly cloudy, with a low around 17.
Chance Snow

Monday

Monday: A 30 percent chance of snow before 7am.  Mostly sunny, with a high near 24.
Chance Snow
then Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 8.
Mostly Clear

Lo 10 °F Hi 23 °F Lo 17 °F Hi 35 °F Lo 24 °F Hi 34 °F Lo 17 °F Hi 24 °F Lo 8 °F

 

Overnight
 
Mostly clear, with a low around 10. Wind chill values as low as -3. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Friday
 
Sunny, with a high near 23. Southwest wind 5 to 10 mph.
Friday Night
 
Partly cloudy, with a low around 17. Southwest wind around 5 mph becoming calm after midnight.
Saturday
 
A chance of snow showers between noon and 2pm. Mostly cloudy, with a high near 35. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
 
Partly cloudy, with a low around 24. West wind around 5 mph.
Sunday
 
Partly sunny, with a high near 34.
Sunday Night
 
A 50 percent chance of snow after 9pm. Mostly cloudy, with a low around 17.
Monday
 
A 30 percent chance of snow before 7am. Mostly sunny, with a high near 24.
Monday Night
 
Mostly clear, with a low around 8.
Tuesday
 
Partly sunny, with a high near 30.
Tuesday Night
 
A 40 percent chance of snow. Mostly cloudy, with a low around 24.
Wednesday
 
Mostly cloudy, with a high near 41.
Wednesday Night
 
Rain likely. Cloudy, with a low around 33. Chance of precipitation is 60%.
Thursday
 
A 50 percent chance of rain. Mostly cloudy, with a high near 40.

 

Forecast from NOAA-NWS for Portland ME.