| National Weather Service Forecast for:
Guerneville CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA |
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| Updated: 11:26 pm PDT Jun 29, 2026 | ||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 54. Calm wind. |
| Tuesday |
Sunny, with a high near 84. Calm wind becoming southwest around 6 mph in the afternoon. |
| Tuesday Night |
Mostly clear, with a low around 52. Calm wind. |
| Wednesday |
Sunny, with a high near 82. Calm wind becoming southwest around 6 mph in the afternoon. |
| Wednesday Night |
Patchy fog after 5am. Otherwise, mostly clear, with a low around 52. West southwest wind around 5 mph becoming calm in the evening. |
| Thursday |
Mostly sunny, with a high near 78. |
| Thursday Night |
Patchy fog after 4am. Otherwise, mostly clear, with a low around 52. |
| Friday |
Sunny, with a high near 82. |
| Friday Night |
Mostly clear, with a low around 54. |
| Independence Day |
Sunny, with a high near 84. |
| Saturday Night |
Mostly clear, with a low around 53. |
| Sunday |
Mostly sunny, with a high near 80. |
| Sunday Night |
Partly cloudy, with a low around 53. |
| Monday |
Mostly sunny, with a high near 80. |
Forecast from NOAA-NWS for Guerneville CA.
