Average monthly water temperature in Foster City, the United States of America

On this page you find the mean water temperature over the year in Foster City (California), the United States of America. Get insights into the water temperature fluctuations and discover what they mean for visitors.

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

Water in Foster City maintains a consistently cool profile. The warmest month, June, has an average temperature of 14°C (57°F).

The coldest water temperature month is January, averaging 12°C (54°F). These conditions are ideal for enjoying peaceful, less crowded water activities.

Foster City (CA) 3-Day Forecast

10-Day Forecast

More climate data for Foster City

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Foster City climate overview or explore weather in the United States of America.

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