94952 Weather (Petaluma, CA)

Weather forecast for: Petaluma CA

Last Update: 1:25 pm PDT Sep 20, 2026

This Afternoon: Mostly cloudy, with a high near 76. Calm wind becoming west 5 to 7 mph.

Tonight: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 52. Calm wind.

Monday: Areas of fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming west 5 to 8 mph in the afternoon.

Monday Night: Patchy fog after 9pm. Otherwise, increasing clouds, with a low around 52. West wind around 6 mph becoming calm in the evening.

Tuesday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 81. Light and variable wind.

Tuesday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 52.

Wednesday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 87.

Wednesday Night: Partly cloudy, with a low around 55.

Thursday: Mostly sunny, with a high near 87.

Thursday Night: Partly cloudy, with a low around 56.

Friday: Mostly sunny, with a high near 81.

Friday Night: Partly cloudy, with a low around 52.

Saturday: Mostly sunny, with a high near 79.