Sonoma County Airport (STS) Weather 12/04/2025
Tonight
38
Patchy Fog
Monday
62
Becoming Sunny
Monday Night
39
Increasing Clouds
Tuesday
64
Decreasing Clouds
Tuesday Night
39
Mostly Cloudy
Wednesday
64
Mostly Sunny
Wednesday Night
38
Partly Cloudy
Thursday
62
Mostly Sunny
Thursday Night
39
Partly Cloudy
Friday
64
Mostly Sunny
Friday Night
41
Patchy Fog
Saturday
62
Areas Fog then Mostly Sunny
Saturday Night
43
Mostly Cloudy
Weekly Forecast
Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 38. Calm wind.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 62. Calm wind becoming south around 5 mph.
Monday Night
Increasing clouds, with a low around 39. Calm wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 64. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 39. Calm wind becoming north around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 64.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 41.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 43.