| National Weather Service Forecast for:
Petaluma CA Issued by: National Weather Service San Francisco Bay Area/Monterey, CA |
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| Updated: 1:26 pm PDT Jun 29, 2026 | ||||||||||||||||||
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| Tonight |
Mostly clear, with a low around 52. West wind around 5 mph becoming calm after midnight. |
| Tuesday |
Sunny, with a high near 82. Calm wind becoming west southwest 5 to 8 mph in the afternoon. |
| Tuesday Night |
Increasing clouds, with a low around 51. West southwest wind around 6 mph becoming calm in the evening. |
| Wednesday |
Mostly cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon. |
| Wednesday Night |
Partly cloudy, with a low around 50. West southwest wind 5 to 8 mph becoming calm in the evening. |
| Thursday |
Mostly sunny, with a high near 76. |
| Thursday Night |
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 51. |
| Friday |
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. |
| Friday Night |
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 53. |
| Independence Day |
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 81. |
| Saturday Night |
Patchy fog. Otherwise, partly cloudy, with a low around 53. |
| Sunday |
Patchy fog. Otherwise, mostly sunny, with a high near 78. |
| Sunday Night |
Patchy fog. Otherwise, partly cloudy, with a low around 53. |
| Monday |
Mostly sunny, with a high near 77. |
Forecast from NOAA-NWS for Petaluma CA.
