Sonoma County Airport (STS) Weather 09/07/2025
This Afternoon
81
Sunny
Tonight
52
Partly Cloudy then Patchy Fog
Friday
82
Areas Fog then Sunny
Friday Night
52
Increasing Clouds
Saturday
81
Patchy Fog then Sunny
Saturday Night
54
Mostly Clear then Patchy Fog
Sunday
81
Patchy Fog then Mostly Sunny
Sunday Night
55
Mostly Clear then Patchy Fog
Monday
80
Slight Chance Drizzle and Patchy Fog
Monday Night
54
Slight Chance Drizzle and Patchy Fog
Tuesday
80
Chance Drizzle and Patchy Fog
Tuesday Night
53
Mostly Clear then Areas Fog
Wednesday
79
Slight Chance Drizzle and Areas Fog
Weekly Forecast
This Afternoon
Sunny, with a high near 81. South wind 7 to 10 mph.
Tonight
Patchy fog after 3am. Otherwise, increasing clouds, with a low around 52. South southwest wind 5 to 7 mph becoming calm after midnight.
Friday
Areas of fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 52. South southwest wind 3 to 7 mph.
Saturday
Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 81. Light south wind becoming west southwest 5 to 10 mph in the afternoon.
Saturday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 54.
Sunday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 81.
Sunday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 55.
Monday
A slight chance of drizzle. Patchy fog before 8am. Otherwise, partly sunny, with a high near 80.
Monday Night
A slight chance of drizzle. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 54.
Tuesday
A chance of drizzle. Patchy fog. Otherwise, partly sunny, with a high near 80.
Tuesday Night
Areas of fog. Otherwise, partly cloudy, with a low around 53.
Wednesday
A slight chance of drizzle. Areas of fog. Otherwise, partly sunny, with a high near 79.