10-Day Weather Forecast - Port Costa, CA

Patchy fog in the morning. Rain. Highs in the upper 50s. Southeast winds around 5 mph.

Rain. Lows in the mid 50s. South winds 5 to 15 mph.

Rain. Highs in the upper 50s. South winds 10 to 20 mph.

Rain. Lows in the mid 50s. South winds 10 to 15 mph.

Rain. Highs in the mid 50s.

Rain. Lows in the lower 50s.

Rain likely. Highs in the upper 50s.

Rain. Lows around 50. Highs in the mid 50s.

Rain. Lows around 50. Highs in the mid 50s.

Rain. Lows in the mid 40s.

Rain likely. Highs in the lower 50s.

Mostly cloudy with probable rain. Chance of precipitation 75%. Low temperature around 45F. Dew point will be around 44F with an average humidity of 89%. Winds will be 11 mph from the SW.

Cloudy with probable rain. Chance of precipitation 65%. High temperature around 48F. Dew point will be around 44F with an average humidity of 91%. Winds will be 7 mph from the S.

Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 43F. Dew point will be around 40F with an average humidity of 88%. Winds will be 5 mph from the S.

Sunny. High temperature around 45F. Dew point will be around 42F with an average humidity of 88%. Winds will be 2 mph from the S.

Clear. Low temperature around 40F. Dew point will be around 37F with an average humidity of 84%. Winds will be 3 mph from the S.

Sunny. High temperature around 44F. Dew point will be around 40F with an average humidity of 87%. Winds will be 2 mph from the SE.

Mostly clear. Low temperature around 40F. Dew point will be around 36F with an average humidity of 81%. Winds will be 4 mph from the S.