10-Day Weather Forecast - Petaluma, CA

Sunny. Patchy dense fog in the morning. Highs in the mid 50s to upper 60s. East winds 5 to 10 mph.

Mostly clear except patchy fog. Lows in the upper 30s to lower 50s. North winds 5 to 10 mph.

Sunny. Patchy dense fog in the morning. Highs in the mid 50s to upper 60s. Northeast winds 5 to 10 mph. . . Becoming southeast in the afternoon.

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

Mostly clear. Highs in the 50s to upper 60s. Lows in the upper 30s to lower 50s.

Mostly clear. Highs in the 50s to upper 60s. Lows in the upper 30s to lower 50s.

Mostly clear. Highs in the 50s to upper 60s. Lows in the upper 30s to lower 50s.

Mostly clear. Highs in the 50s to upper 60s. Lows in the upper 30s to lower 50s.

Mostly clear. Highs in the 50s to upper 60s. Lows in the upper 30s to lower 50s.

Partly cloudy. Lows in the 40s. Highs in the 50s to upper 60s.

Partly cloudy. Lows in the 40s. Highs in the 50s to upper 60s.

Partly cloudy. Low temperature around 41F. Dew point will be around 44F with an average humidity of 91%. Winds will be 2 mph from the NE.

Mostly sunny. High temperature around 64F. Dew point will be around 47F with an average humidity of 78%. Winds will be 2 mph from the SW.

Partly cloudy. Low temperature around 41F. Dew point will be around 45F with an average humidity of 96%. Winds will be 2 mph from the SW.

Partly cloudy. High temperature around 59F. Dew point will be around 48F with an average humidity of 83%. Winds will be 4 mph from the SW.

Clear. Low temperature around 40F. Dew point will be around 44F with an average humidity of 97%. Winds will be 5 mph from the W.

Sunny. High temperature around 56F. Dew point will be around 46F with an average humidity of 84%. Winds will be 6 mph from the SW.

Clear. Low temperature around 38F. Dew point will be around 42F with an average humidity of 97%. Winds will be 5 mph from the W.