King County Airport (BFI) Weather 01/08/2025
Today
50
Mostly Sunny
Tonight
36
Increasing Clouds
Thursday
49
Decreasing Clouds
Thursday Night
39
Chance Rain then Rain
Friday
50
Rain then Rain Likely
Friday Night
39
Chance Rain
Saturday
47
Slight Chance Rain
Saturday Night
39
Chance Rain
Sunday
46
Partly Sunny
Sunday Night
35
Mostly Cloudy
Monday
45
Partly Sunny
Monday Night
34
Partly Cloudy
Tuesday
46
Partly Sunny
Weekly Forecast
Today
Mostly sunny, with a high near 50. Calm wind becoming north northwest around 5 mph in the afternoon.
Tonight
Increasing clouds, with a low around 36. North wind 3 to 5 mph.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 49. Light and variable wind.
Thursday Night
Rain, mainly after 4am. Low around 39. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain, mainly before 4pm. High near 50. South southwest wind 5 to 9 mph becoming light and variable in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 39.
Saturday
A slight chance of rain before 10am, then a slight chance of rain after 4pm. Partly sunny, with a high near 47. Chance of precipitation is 20%.
Saturday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 46.