Marine Weather Net

Petaluma, CA Weather Forecast




Petaluma, California

 Lat: 38.23N, Lon: 122.64W

Current Conditions Updated: 454 PM PST MON MAR 2 2026

Mostly Clear
Temp: 63°F
  • Humidity:
  • 70%
  • Winds:
  • 5 MPH SSW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.05 in.
  • Dewpoint:
  • 53°F
  • Heat index:
  • 63°F

  • Sunrise:
  • 6:39 AM PST
  • Sunset:
  • 6:03 PM PST
  • Moonrise:
  • 5:36 PM PST
  • Moonset:
  • 6:19 AM PST

TONIGHT

PARTLY CLOUDY
Lo: 45°F

TUESDAY

SUNNY

Hi: 65°F
Lo: 45°F

WEDNESDAY

SUNNY

Hi: 60°F
Lo: 49°F
Precip: 20%

THURSDAY

SUNNY

Hi: 65°F
Lo: 45°F
Weather Forecast In Detail:
Forecast Issued: 501 PM PST Mon Mar 02 2026

Tonight...Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the 40s to lower 50s. West winds 5 to 10 mph.
Tuesday...Partly cloudy in the morning then becoming sunny. Areas of fog in the morning. Highs in the 60s to lower 70s. West winds up to 5 mph increasing to 10 to 15 mph in the afternoon.
Tuesday Night...Partly cloudy in the evening then becoming mostly cloudy. Lows in the 40s to lower 50s. West winds 10 to 15 mph.
Wednesday...Mostly cloudy in the morning then becoming sunny. A slight chance of rain. Highs in the upper 50s to mid 60s. Northwest winds 10 to 20 mph with gusts to around 35 mph. Chance of rain 20 percent.
Wednesday Night...Clear. Lows in the 30s to upper 40s. Northwest winds 10 to 20 mph with gusts to around 35 mph.
Thursday...Sunny. Highs in the 60s.
Thursday Night...Clear. Lows in the 40s to lower 50s.
Friday...Sunny, breezy. Highs in the mid 60s to lower 70s.
Friday Night...Clear. Lows in the 40s to mid 50s.
Saturday...Mostly clear. Highs in the 60s to upper 70s. Lows in the 40s to mid 50s.
Sunday...Mostly clear. Highs in the 60s to upper 70s. Lows in the 40s to mid 50s.
Sunday Night...Partly cloudy. Lows in the upper 40s to mid 50s.
Monday...Mostly cloudy. Highs in the 60s to mid 70s. && temperature / precipitation santa rosa 43 67 43 65 / 20 20 san rafael 49 65 49 64 / 10 10 napa 46 65 46 65 / 10
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