95471 Weather (Guerneville, CA)

Weather forecast for: Guerneville CA

Last Update: 12:52 pm PDT Sep 26, 2026

This Afternoon: Increasing clouds, with a high near 73. Southwest wind 3 to 7 mph.

Tonight: Patchy fog after 1am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 50. Calm wind.

Sunday: Patchy fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 73. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

Sunday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 48. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.

Monday: Patchy fog before 9am. Otherwise, sunny, with a high near 78. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

Monday Night: Clear, with a low around 55.

Tuesday: Sunny, with a high near 86.

Tuesday Night: Clear, with a low around 56.

Wednesday: Sunny, with a high near 84.

Wednesday Night: Mostly clear, with a low around 55.

Thursday: Sunny, with a high near 82.

Thursday Night: Mostly clear, with a low around 56.

Friday: Mostly sunny, with a high near 82.