National Weather Service Forecast for: Bellingham WA
Issued by: National Weather Service Seattle, WA
Updated: 11:26 am PDT Sep 12, 2026
 
Tonight

Tonight: A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 56. West southwest wind 5 to 7 mph becoming south southeast in the evening.
Mostly Cloudy
then Slight
Chance Rain
 Sunday

Sunday: A slight chance of rain between 8am and 9am. Cloudy through mid morning, then gradual clearing, with a high near 71. South wind 5 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Slight Chance
Rain then
Sunny
 Sunday
Night
Sunday Night: Increasing clouds, with a low around 55. South wind 7 to 15 mph, with gusts as high as 26 mph.
Increasing
Clouds
 Monday

Monday: Partly sunny, with a high near 70. South southwest wind around 6 mph.
Partly Sunny

 Monday
Night
Monday Night: Mostly cloudy, with a low around 53. Calm wind.
Mostly Cloudy

 Tuesday

Tuesday: Mostly sunny, with a high near 73.
Mostly Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 52.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 74.
Sunny

 Wednesday
Night
Wednesday Night: Clear, with a low around 53.
Clear
Lo 56 °F Hi 71 °F Lo 55 °F Hi 70 °F Lo 53 °F Hi 73 °F Lo 52 °F Hi 74 °F Lo 53 °F

 

Tonight
 
 A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 56. West southwest wind 5 to 7 mph becoming south southeast in the evening.
Sunday
 
 A slight chance of rain between 8am and 9am. Cloudy through mid morning, then gradual clearing, with a high near 71. South wind 5 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Sunday Night
 
 Increasing clouds, with a low around 55. South wind 7 to 15 mph, with gusts as high as 26 mph.
Monday
 
 Partly sunny, with a high near 70. South southwest wind around 6 mph.
Monday Night
 
 Mostly cloudy, with a low around 53. Calm wind.
Tuesday
 
 Mostly sunny, with a high near 73.
Tuesday Night
 
 Mostly clear, with a low around 52.
Wednesday
 
 Sunny, with a high near 74.
Wednesday Night
 
 Clear, with a low around 53.
Thursday
 
 Sunny, with a high near 76.
Thursday Night
 
 Mostly clear, with a low around 55.
Friday
 
 Sunny, with a high near 77.
Friday Night
 
 Mostly clear, with a low around 56.
Saturday
 
 Mostly sunny, with a high near 73.

 

Forecast from NOAA-NWS for Bellingham WA.