Marine Weather Net

Petaluma, CA Weather Forecast




Petaluma, California

 Lat: 38.23N, Lon: 122.64W

Current Conditions Updated: 513 PM PDT WED APR 29 2026

Clear


Temp: 70°F
  • Humidity:
  • 52%
  • Winds:
  • 16 MPH W
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.99 in.
  • Dewpoint:
  • 52°F
  • Heat index:
  • 77°F

  • Sunrise:
  • 6:14 AM PDT
  • Sunset:
  • 7:58 PM PDT
  • Moonrise:
  • 6:28 PM PDT
  • Moonset:
  • 5:00 AM PDT

REST OF TODAY

SUNNY

Hi: 77°F
Lo: 45°F

THURSDAY

SUNNY

Hi: 80°F
Lo: 50°F

FRIDAY

PARTLY CLOUDY
Hi: 80°F
Lo: 50°F

SATURDAY

MOSTLY CLOUDY
Hi: 65°F
Lo: 50°F
Weather Forecast In Detail:
Forecast Issued: 304 PM PDT Wed Apr 29 2026

Rest Of Today...Sunny. Highs in the mid 60s to upper 70s. Southwest winds 5 to 15 mph.
Tonight...Mostly clear except patchy fog after midnight. Lows in the 40s to mid 50s. West winds 5 to 15 mph.
Thursday...Sunny. Areas of fog in the morning. Highs in the upper 60s to lower 80s. Southwest winds up to 5 mph increasing to 10 to 15 mph in the afternoon.
Thursday Night...Mostly clear except patchy fog after midnight. Lows in the upper 40s to mid 50s. West winds 5 to 15 mph.
Friday...Partly cloudy. Areas of fog in the morning. Highs in the upper 60s to lower 80s. Southwest winds 5 to 10 mph.
Friday Night...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows in the upper 40s to mid 50s.
Saturday...Mostly cloudy. Highs in the lower 60s to mid 70s. Lows in the upper 40s to mid 50s.
Sunday...Mostly cloudy. Highs in the lower 60s to mid 70s. Lows in the upper 40s to mid 50s.
Sunday Night...Partly cloudy in the evening then becoming mostly clear. Patchy fog. Lows in the mid 40s to lower 50s.
Monday...Mostly cloudy in the morning then becoming partly cloudy. A slight chance of rain. Highs in the 60s.
Monday Night...Partly cloudy. Patchy fog. Lows in the mid 40s to lower 50s.
Tuesday...Partly cloudy. Highs in the 60s to lower 70s. && temperature / precipitation santa rosa 78 44 80 / san rafael 74 49 77 / napa 75 47 76 /
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