10-Day Weather Forecast - Petaluma, CA

Mostly cloudy. Highs in the 70s to lower 80s. West winds up to 5 mph increasing to 10 to 15 mph in the afternoon.

Mostly cloudy. A slight chance of rain after midnight. Lows in the 40s to mid 50s. West winds 5 to 15 mph. Chance of rain 20 percent.

Mostly cloudy. A chance of rain. Highs in the 60s. West winds 5 to 15 mph. Chance of rain 40 percent.

Mostly cloudy. A chance of rain. Lows in the mid 40s to lower 50s.

Mostly cloudy. A chance of rain. Highs in the 50s to upper 60s.

Rain likely. Lows in the 40s to lower 50s.

Partly cloudy in the morning then becoming sunny. A slight chance of rain. Highs in the 60s.

Mostly clear. Lows in the 30s to upper 40s.

Clear. Highs in the upper 60s to lower 80s. Lows in the 40s to lower 50s.

Clear. Highs in the upper 60s to lower 80s. Lows in the 40s to lower 50s.

Clear. Highs in the upper 60s to lower 80s. Lows in the 40s to lower 50s.

Mostly clear. Low temperature around 44F. Dew point will be around 43F with an average humidity of 68%. Winds will be 2 mph from the W.

Sunny. High temperature around 74F. Dew point will be around 49F with an average humidity of 63%. Winds will be 2 mph from the W.

Mostly clear. Low temperature around 44F. Dew point will be around 46F with an average humidity of 83%. Winds will be 4 mph from the W.

Sunny. High temperature around 68F. Dew point will be around 51F with an average humidity of 70%. Winds will be 5 mph from the W.

Clear. Low temperature around 42F. Dew point will be around 46F with an average humidity of 87%. Winds will be 5 mph from the SW.

Sunny. High temperature around 67F. Dew point will be around 50F with an average humidity of 71%. Winds will be 5 mph from the W.

Clear. Low temperature around 41F. Dew point will be around 44F with an average humidity of 85%. Winds will be 5 mph from the W.