Average humidity in Foster City (CA)

The mean monthly relative humidity over the year in Foster City (California), the United States of America.

* Data from: San Francisco, the United States of America (11 KM, 7 Miles).

On average, January is the most humid month, at 80.0%.
On average, October is the least humid month, at 71.0%.
The average annual percentage of humidity is 75%.

Weather Forecasts for Foster City (CA)

Fri May 03

20°C | 10°C

40 km/h

clear and no rain

hourly forecast

Sat May 04

14°C | 10°C

36 km/h

19 mm

broken clouds and rain

hourly forecast

Sun May 05

15°C | 9°C

40 km/h

0.2 mm

partly cloudy and small chance of slight rain

hourly forecast

5-Day Forecast 10-Day Forecast

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