10-Day Weather Forecast - San Mateo, CA

A chance of rain in the morning then rain in the afternoon. Highs in the lower 60s. South winds 10 to 20 mph.

Rain in the evening then a chance of rain after midnight. Patchy fog after midnight. Lows in the mid 50s. South winds 10 to 20 mph. . . Becoming southwest 5 to 10 mph after midnight.

Patchy fog. Rain likely. Highs in the upper 50s. South winds around 5 mph. Chance of rain 70 percent.

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

Breezy. Showers and a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Highs around 60.

Breezy rain. Lows in the upper 40s to mid 50s. Highs in the upper 50s.

Breezy rain. Lows in the upper 40s to mid 50s. Highs in the upper 50s.

Breezy rain. Lows in the upper 40s to mid 50s. Highs in the upper 50s.

Breezy rain. Lows in the upper 40s to mid 50s. Highs in the upper 50s.

Breezy rain. Lows in the upper 40s to mid 50s. Highs in the upper 50s.

Breezy rain. Highs in the upper 50s. Lows around 50.

Breezy rain. Highs in the upper 50s. Lows around 50.

Breezy rain. Highs in the upper 50s. Lows around 50.

Cloudy with probable rain. Chance of precipitation 80%. Low temperature around 44F. Dew point will be around 41F with an average humidity of 88%. Winds will be 9 mph from the S.

Cloudy with probable rain. Chance of precipitation 65%. High temperature around 47F. Dew point will be around 44F with an average humidity of 89%. Winds will be 4 mph from the S.

Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 41F. Dew point will be around 40F with an average humidity of 90%. Winds will be 2 mph from the SE.

Sunny. High temperature around 47F. Dew point will be around 41F with an average humidity of 84%. Winds will be 1 mph from the SE.

Mostly clear. Low temperature around 40F. Dew point will be around 38F with an average humidity of 85%. Winds will be 2 mph from the SE.