Sonoma County Airport (STS) Weather 06/23/2026
Today
86
Sunny
Tonight
52
Increasing Clouds
Sunday
83
Becoming Sunny
Sunday Night
52
Mostly Clear then Patchy Fog
Monday
83
Patchy Fog then Sunny
Monday Night
51
Partly Cloudy
Tuesday
84
Mostly Sunny
Tuesday Night
51
Mostly Clear then Areas Fog
Wednesday
81
Areas Fog then Sunny
Wednesday Night
51
Partly Cloudy
Thursday
76
Mostly Sunny
Thursday Night
50
Partly Cloudy
Juneteenth
73
Partly Sunny
Weekly Forecast
Today
Sunny, with a high near 86. Light and variable wind becoming south southwest 6 to 11 mph in the morning.
Tonight
Increasing clouds, with a low around 52. South wind 5 to 9 mph becoming calm after midnight.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 83. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.
Sunday Night
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 52. Southwest wind 5 to 10 mph becoming light west southwest in the evening.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 83. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Areas of fog after 5am. Otherwise, partly cloudy, with a low around 51.
Wednesday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 50.
Juneteenth
Partly sunny, with a high near 73.