10-Day Weather Forecast - Petersburg, CA

Windy. Partly sunny in the morning then clearing. Highs 57 to 63. West winds 10 to 20 mph with gusts to around 55 mph increasing to 15 to 30 mph with gusts to around 45 mph in the afternoon.

Breezy. Mostly clear. Lows around 40. West winds 15 to 25 mph with gusts to around 50 mph becoming north up to 10 mph after midnight.

Warmer sunny. Highs 67 to 73. East winds 5 to 15 mph. Gusts up to 25 mph increasing to 35 mph in the afternoon.

Partly cloudy. Lows 44 to 50. Highs 73 to 79.

Partly cloudy. Lows 44 to 50. Highs 73 to 79.

Mostly clear. Lows in the lower 50s. Highs in the upper 70s.

Mostly clear. Lows in the lower 50s. Highs in the upper 70s.

Mostly clear. Lows in the lower 50s. Highs in the upper 70s.

Mostly sunny. Highs in the upper 70s.

Mostly clear. Lows in the upper 40s.

Sunny. Highs 73 to 79.

Clear. Low temperature around 46F. Dew point will be around 38F with an average humidity of 56%. Winds will be 9 mph from the W.

Sunny. High temperature around 71F. Dew point will be around 43F with an average humidity of 52%. Winds will be 11 mph from the W.

Clear. Low temperature around 47F. Dew point will be around 40F with an average humidity of 59%. Winds will be 8 mph from the W.

Sunny. High temperature around 71F. Dew point will be around 42F with an average humidity of 48%. Winds will be 6 mph from the W.

Clear. Low temperature around 49F. Dew point will be around 42F with an average humidity of 57%. Winds will be 4 mph from the W.

Sunny. High temperature around 72F. Dew point will be around 43F with an average humidity of 47%. Winds will be 6 mph from the W.

Clear. Low temperature around 49F. Dew point will be around 38F with an average humidity of 49%. Winds will be 4 mph from the W.