National Weather Service Forecast for: Bellingham WA
Issued by: National Weather Service Seattle, WA
Updated: 1:25 am PST Dec 5, 2025
 
Overnight

Overnight: Rain, mainly before 4am.  Low around 42. Calm wind.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Rain
Friday

Friday: Rain, mainly before 11am.  High near 53. Southeast wind 5 to 13 mph becoming south southwest in the afternoon. Winds could gust as high as 29 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain then
Chance Rain
Friday
Night
Friday Night: Rain.  Low around 46. Southwest wind around 16 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain
Saturday

Saturday: Rain.  High near 52. South southwest wind 10 to 13 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain
Saturday
Night
Saturday Night: Rain.  Low around 44. South southeast wind 6 to 8 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain
Sunday

Sunday: Rain.  High near 52. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain
Sunday
Night
Sunday Night: Rain.  Low around 45. Chance of precipitation is 80%.
Rain
Monday

Monday: Rain.  Cloudy, with a high near 55.
Rain
Monday
Night
Monday Night: Rain.  Cloudy, with a low around 45.
Rain
Lo 42 °F Hi 53 °F Lo 46 °F Hi 52 °F Lo 44 °F Hi 52 °F Lo 45 °F Hi 55 °F Lo 45 °F

Hydrologic Outlook
Coastal Flood Advisory
 

Overnight
 
Rain, mainly before 4am. Low around 42. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
 
Rain, mainly before 11am. High near 53. Southeast wind 5 to 13 mph becoming south southwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
 
Rain. Low around 46. Southwest wind around 16 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
 
Rain. High near 52. South southwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
 
Rain. Low around 44. South southeast wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
 
Rain. High near 52. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
 
Rain. Low around 45. Chance of precipitation is 80%.
Monday
 
Rain. Cloudy, with a high near 55.
Monday Night
 
Rain. Cloudy, with a low around 45.
Tuesday
 
Rain. Cloudy, with a high near 52.
Tuesday Night
 
Rain. Cloudy, with a low around 42.
Wednesday
 
Rain. Cloudy, with a high near 51.
Wednesday Night
 
Rain likely. Mostly cloudy, with a low around 42.
Thursday
 
Rain likely. Mostly cloudy, with a high near 50.

 

Forecast from NOAA-NWS for Bellingham WA.