King County Airport (BFI) Weather 07/19/2025
Tonight
56
Mostly Cloudy
Sunday
74
Decreasing Clouds
Sunday Night
57
Partly Cloudy
Monday
79
Mostly Sunny
Monday Night
59
Partly Cloudy
Tuesday
81
Mostly Sunny
Tuesday Night
60
Mostly Clear
Wednesday
85
Sunny
Wednesday Night
60
Mostly Clear
Thursday
81
Sunny
Thursday Night
58
Mostly Clear
Friday
77
Partly Sunny
Friday Night
57
Partly Cloudy
Weekly Forecast
Tonight
Mostly cloudy, with a low around 56. West wind around 5 mph becoming calm in the evening.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 74. Light and variable wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 57. Light and variable wind.
Monday
Mostly sunny, with a high near 79. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 59. West northwest wind around 5 mph becoming light and variable in the evening.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 58.
Friday
Partly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 57.