National Weather Service Forecast for: Brunswick ME
Issued by: National Weather Service Gray/Portland, ME
Updated: 2:25 am EDT Aug 20, 2026
 
Today

Today: Patchy fog between 8am and 9am. Otherwise, increasing clouds, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
Areas Fog
then Partly
Sunny
 Tonight

Tonight: A slight chance of showers between 9pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 58. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.
Slight Chance
Showers then
Partly Cloudy
 Friday

Friday: Sunny, with a high near 80. North wind around 5 mph becoming southeast in the afternoon.
Sunny

 Friday
Night
Friday Night: Increasing clouds, with a low around 55. Calm wind.
Increasing
Clouds

 Saturday

Saturday: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 75. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Chance
Showers then
Showers
Likely
 Saturday
Night
Saturday Night: Showers, mainly before 2am. Low around 58. Chance of precipitation is 80%.
Showers

 Sunday

Sunday: A 50 percent chance of showers before 2pm. Mostly cloudy, with a high near 78.
Chance
Showers

 Sunday
Night
Sunday Night: A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 61.
Chance
Showers

 Monday

Monday: Partly sunny, with a high near 81.
Partly Sunny
Hi 82 °F Lo 58 °F Hi 80 °F Lo 55 °F Hi 75 °F Lo 58 °F Hi 78 °F Lo 61 °F Hi 81 °F

 

Today
 
 Patchy fog between 8am and 9am. Otherwise, increasing clouds, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
 
 A slight chance of showers between 9pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 58. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.
Friday
 
 Sunny, with a high near 80. North wind around 5 mph becoming southeast in the afternoon.
Friday Night
 
 Increasing clouds, with a low around 55. Calm wind.
Saturday
 
 Showers likely, mainly after 4pm. Mostly cloudy, with a high near 75. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday Night
 
 Showers, mainly before 2am. Low around 58. Chance of precipitation is 80%.
Sunday
 
 A 50 percent chance of showers before 2pm. Mostly cloudy, with a high near 78.
Sunday Night
 
 A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 61.
Monday
 
 Partly sunny, with a high near 81.
Monday Night
 
 Mostly clear, with a low around 56.
Tuesday
 
 Sunny, with a high near 79.
Tuesday Night
 
 Mostly clear, with a low around 55.
Wednesday
 
 Sunny, with a high near 80.

 

Forecast from NOAA-NWS for Brunswick ME.