Marine Weather Net

Petaluma, CA Weather Forecast




Petaluma, California

 Lat: 38.23N, Lon: 122.64W

Current Conditions Updated: 1254 PM PDT TUE AUG 11 2026

Clear


Temp: 70°F
  • Humidity:
  • 61%
  • Winds:
  • 12 MPH SSW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.97 in.
  • Dewpoint:
  • 56°F
  • Heat index:
  • 76°F

  • Sunrise:
  • 6:20 AM PDT
  • Sunset:
  • 8:07 PM PDT
  • Moonrise:
  • 4:56 AM PDT
  • Moonset:
  • 7:47 PM PDT

REST OF TODAY

SUNNY

Hi: 75°F
Lo: 57°F

WEDNESDAY

MOSTLY CLOUDY
Hi: 80°F
Lo: 55°F

THURSDAY

PARTLY CLOUDY
Hi: 65°F
Lo: 59°F

FRIDAY

SUNNY

Hi: 77°F
Lo: 59°F
Weather Forecast In Detail:
Forecast Issued: 1102 AM PDT Tue Aug 11 2026

COASTAL FLOOD ADVISORY IN EFFECT UNTIL 2 AM PDT THURSDAY
Rest Of Today...Sunny. Highs in the lower 70s to mid 80s. South winds 5 to 15 mph.
Tonight...Mostly clear in the evening then becoming mostly cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows in the 40s to upper 50s. Southwest winds 5 to 15 mph.
Wednesday...Mostly cloudy. Areas of fog in the morning. Highs in the upper 60s to lower 80s. South winds 5 to 15 mph.
Wednesday Night...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the 50s. Southwest winds 10 to 15 mph.
Thursday...Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs in the 60s to 70s. South winds 10 to 20 mph.
Thursday Night...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows in the 40s to upper 50s.
Friday...Mostly cloudy in the morning then becoming sunny. Highs in the mid 60s to upper 70s.
Friday Night...Partly cloudy. Areas of fog. Lows in the 40s to upper 50s. Highs in the upper 60s to lower 80s.
Saturday...Partly cloudy. Areas of fog. Lows in the 40s to upper 50s. Highs in the upper 60s to lower 80s.
Sunday...Mostly cloudy in the morning then becoming partly cloudy. Areas of fog. Highs in the mid 60s to lower 80s.
Sunday Night And Monday...Mostly cloudy. Patchy fog. Lows in the 40s to upper 50s. Highs in the upper 60s to lower 80s. && temperature / precipitation santa rosa 83 50 81 / san rafael 80 57 77 / napa 76 54 74 /
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