| National Weather Service Forecast for:
Guerneville CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA |
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| Updated: 1:26 pm PDT May 26, 2026 | ||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 68. West northwest wind around 13 mph, with gusts as high as 26 mph. |
| Tonight |
Mostly clear, with a low around 48. Northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 24 mph. |
| Wednesday |
Mostly sunny, with a high near 69. Calm wind becoming west southwest around 6 mph in the afternoon. |
| Wednesday Night |
A slight chance of rain before 3am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 50. Calm wind. Chance of precipitation is 20%. |
| Thursday |
A 30 percent chance of rain, mainly before 11am. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 69. Calm wind becoming southwest 5 to 7 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible. |
| Thursday Night |
Partly cloudy, with a low around 50. |
| Friday |
Mostly sunny, with a high near 70. |
| Friday Night |
Mostly clear, with a low around 50. |
| Saturday |
Sunny, with a high near 76. |
| Saturday Night |
Mostly clear, with a low around 50. |
| Sunday |
Sunny, with a high near 80. |
| Sunday Night |
Mostly clear, with a low around 52. |
| Monday |
Sunny, with a high near 81. |
Forecast from NOAA-NWS for Guerneville CA.
