National Weather Service Forecast for: Belfast ME
Issued by: National Weather Service Gray/Portland, ME
Updated: 7:24 am EDT May 4, 2026
 
This
Afternoon
This Afternoon: A slight chance of showers before 3pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 62. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Slight Chance
Showers

 Tonight

Tonight: Partly cloudy, with a low around 45. Calm wind becoming southwest around 5 mph after midnight.
Partly Cloudy

 Tuesday

Tuesday: Mostly sunny, with a high near 66. South wind 5 to 15 mph, with gusts as high as 30 mph.
Mostly Sunny

 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 51. South wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Cloudy

 Wednesday

Wednesday: A 40 percent chance of showers after noon. Mostly cloudy, with a high near 60. South wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Cloudy
then Chance
Showers
 Wednesday
Night
Wednesday Night: Showers. Low around 46. Chance of precipitation is 90%.
Showers

 Thursday

Thursday: Showers likely before 11am, then a chance of showers after 2pm. Partly sunny, with a high near 60. Chance of precipitation is 60%.
Showers
Likely then
Chance
Showers
 Thursday
Night
Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 43.
Chance
Showers

 Friday

Friday: A 40 percent chance of showers. Partly sunny, with a high near 57.
Chance
Showers
Hi 62 °F Lo 45 °F Hi 66 °F Lo 51 °F Hi 60 °F Lo 46 °F Hi 60 °F Lo 43 °F Hi 57 °F

 

This Afternoon
 
 A slight chance of showers before 3pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 62. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
 
 Partly cloudy, with a low around 45. Calm wind becoming southwest around 5 mph after midnight.
Tuesday
 
 Mostly sunny, with a high near 66. South wind 5 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
 
 Mostly cloudy, with a low around 51. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
 
 A 40 percent chance of showers after noon. Mostly cloudy, with a high near 60. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
 
 Showers. Low around 46. Chance of precipitation is 90%.
Thursday
 
 Showers likely before 11am, then a chance of showers after 2pm. Partly sunny, with a high near 60. Chance of precipitation is 60%.
Thursday Night
 
 A 40 percent chance of showers. Mostly cloudy, with a low around 43.
Friday
 
 A 40 percent chance of showers. Partly sunny, with a high near 57.
Friday Night
 
 Partly cloudy, with a low around 39.
Saturday
 
 Mostly sunny, with a high near 59.
Saturday Night
 
 Mostly cloudy, with a low around 40.
Sunday
 
 A 30 percent chance of showers. Partly sunny, with a high near 61.

 

Forecast from NOAA-NWS for Belfast ME.