National Weather Service Forecast for: Brunswick ME
Issued by: National Weather Service Gray/Portland, ME
Updated: 10:26 pm EDT Jun 18, 2026
 
Overnight

Overnight: Mostly clear, with a low around 58. Southwest wind around 10 mph, with gusts as high as 20 mph.
Mostly Clear

Juneteenth

Juneteenth: Mostly sunny, with a high near 81. West wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Sunny

Friday
Night
Friday Night: Mostly clear, with a low around 58. West wind 5 to 10 mph.
Mostly Clear

Saturday

Saturday: Mostly sunny, with a high near 77. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Sunny

Saturday
Night
Saturday Night: Mostly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm  in the evening.
Mostly Cloudy

Sunday

Sunday: A 40 percent chance of showers after 9am.  Partly sunny, with a high near 75.
Chance
Showers
Sunday
Night
Sunday Night: Partly cloudy, with a low around 53.
Partly Cloudy

Monday

Monday: A 40 percent chance of showers after noon.  Partly sunny, with a high near 75.
Mostly Sunny
then Chance
Showers
Monday
Night
Monday Night: Showers likely.  Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Showers
Likely
Lo 58 °F Hi 81 °F Lo 58 °F Hi 77 °F Lo 55 °F Hi 75 °F Lo 53 °F Hi 75 °F Lo 55 °F

 

Overnight
 
Mostly clear, with a low around 58. Southwest wind around 10 mph, with gusts as high as 20 mph.
Juneteenth
 
Mostly sunny, with a high near 81. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
 
Mostly clear, with a low around 58. West wind 5 to 10 mph.
Saturday
 
Mostly sunny, with a high near 77. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
 
Mostly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.
Sunday
 
A 40 percent chance of showers after 9am. Partly sunny, with a high near 75.
Sunday Night
 
Partly cloudy, with a low around 53.
Monday
 
A 40 percent chance of showers after noon. Partly sunny, with a high near 75.
Monday Night
 
Showers likely. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Tuesday
 
A 50 percent chance of showers before 4pm. Partly sunny, with a high near 77.
Tuesday Night
 
Partly cloudy, with a low around 57.
Wednesday
 
Mostly sunny, with a high near 80.
Wednesday Night
 
Partly cloudy, with a low around 56.
Thursday
 
Partly sunny, with a high near 76.

 

Forecast from NOAA-NWS for Brunswick ME.