10-Day Weather Forecast - Foster City, CA

Mostly cloudy in the morning then becoming sunny. Highs in the 70s to lower 80s. West winds around 5 mph increasing to 10 to 20 mph in the afternoon.

Mostly clear. Lows in the upper 50s. Southwest winds 10 to 20 mph.

Partly cloudy in the morning then becoming sunny. Highs in the mid 70s to lower 80s. Southwest winds 5 to 10 mph. . . Becoming west 10 to 20 mph in the afternoon.

Mostly clear in the evening then becoming mostly cloudy. Lows in the lower 60s.

Partly cloudy. Highs in the 70s. Lows in the lower 60s.

Partly cloudy. Highs in the 70s. Lows in the lower 60s.

Partly cloudy. Highs in the 70s. Lows in the lower 60s.

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s.

Partly cloudy in the morning then becoming sunny. Highs in the 70s.

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s.

Partly cloudy in the morning then becoming sunny. Highs in the 70s.

Clear. Low temperature around 59F. Dew point will be around 54F with an average humidity of 75%. Winds will be 9 mph from the W.

Sunny. High temperature around 78F. Dew point will be around 58F with an average humidity of 62%. Winds will be 9 mph from the W.

Clear. Low temperature around 59F. Dew point will be around 54F with an average humidity of 69%. Winds will be 8 mph from the W.

Sunny. High temperature around 80F. Dew point will be around 59F with an average humidity of 56%. Winds will be 8 mph from the W.

Clear. Low temperature around 61F. Dew point will be around 55F with an average humidity of 66%. Winds will be 8 mph from the W.

Sunny. High temperature around 82F. Dew point will be around 60F with an average humidity of 53%. Winds will be 8 mph from the W.

Clear. Low temperature around 62F. Dew point will be around 55F with an average humidity of 65%. Winds will be 8 mph from the W.