King County Airport (BFI) Weather 08/10/2025
Tonight
61
Mostly Clear
Sunday
84
Sunny
Sunday Night
64
Clear
Monday
86
Sunny
Monday Night
65
Mostly Clear
Tuesday
86
Sunny
Tuesday Night
61
Mostly Clear
Wednesday
74
Partly Sunny
Wednesday Night
58
Partly Cloudy
Thursday
72
Mostly Cloudy
Thursday Night
58
Mostly Cloudy
Friday
73
Slight Chance Rain
Friday Night
58
Slight Chance Rain then Mostly Cloudy
Weekly Forecast
Tonight
Mostly clear, with a low around 61. North northeast wind 3 to 6 mph.
Sunday
Sunny, with a high near 84. North wind 5 to 10 mph.
Sunday Night
Clear, with a low around 64. North wind 3 to 8 mph.
Monday
Sunny, with a high near 86. Light north wind increasing to 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 65. North wind 5 to 9 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly cloudy, with a high near 72.
Thursday Night
Mostly cloudy, with a low around 58.
Friday
A slight chance of rain. Mostly cloudy, with a high near 73.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 58.