National Weather Service Forecast for: Belfast ME
Issued by: National Weather Service Gray/Portland, ME
Updated: 6:20 am EST Dec 5, 2025
 
Today

Today: Sunny, with a high near 23. Wind chill values as low as -13. Calm wind becoming west around 5 mph.
Sunny

Tonight

Tonight: Partly cloudy, with a low around 11. Calm wind.
Partly Cloudy

Saturday

Saturday: A chance of snow showers after 11am, mixing with rain after 3pm.  Mostly cloudy, with a high near 35. Calm wind becoming south around 5 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Slight Chance
Snow Showers
then Chance
Rain/Snow
Saturday
Night
Saturday Night: Cloudy, then gradually becoming partly cloudy, with a low around 21. Calm wind becoming west around 5 mph after midnight.
Decreasing
Clouds

Sunday

Sunday: Mostly sunny, with a high near 32. Northwest wind 5 to 10 mph.
Mostly Sunny

Sunday
Night
Sunday Night: A 50 percent chance of snow after midnight.  Mostly cloudy, with a low around 12.
Mostly Cloudy
then Chance
Snow
Monday

Monday: A 30 percent chance of snow before 8am.  Partly sunny, with a high near 21.
Chance Snow
then Mostly
Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 5.
Mostly Clear

Tuesday

Tuesday: Mostly sunny, with a high near 30.
Mostly Sunny

Hi 23 °F Lo 11 °F Hi 35 °F Lo 21 °F Hi 32 °F Lo 12 °F Hi 21 °F Lo 5 °F Hi 30 °F

 

Today
 
Sunny, with a high near 23. Wind chill values as low as -13. Calm wind becoming west around 5 mph.
Tonight
 
Partly cloudy, with a low around 11. Calm wind.
Saturday
 
A chance of snow showers after 11am, mixing with rain after 3pm. Mostly cloudy, with a high near 35. Calm wind becoming south around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
 
Cloudy, then gradually becoming partly cloudy, with a low around 21. Calm wind becoming west around 5 mph after midnight.
Sunday
 
Mostly sunny, with a high near 32. Northwest wind 5 to 10 mph.
Sunday Night
 
A 50 percent chance of snow after midnight. Mostly cloudy, with a low around 12.
Monday
 
A 30 percent chance of snow before 8am. Partly sunny, with a high near 21.
Monday Night
 
Mostly clear, with a low around 5.
Tuesday
 
Mostly sunny, with a high near 30.
Tuesday Night
 
A chance of snow between 7pm and 2am. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.
Wednesday
 
A chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Wednesday Night
 
Rain and snow likely. Cloudy, with a low around 30. Chance of precipitation is 70%.
Thursday
 
Rain likely. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.

 

Forecast from NOAA-NWS for Belfast ME.