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Hourly Forecast
Daylight Hours
05:52
Sunrise
20:24
Sunset
Daily Forecast
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UV Index
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Frequently asked questions about weather in Foster City
How warm does it get in Foster City?
The warmest month in Foster City is September, with average high temperatures of 24°C. The average temperature during this period is around 18°C.
How cold does it get in Foster City?
The coldest month in Foster City is December, with average low temperatures of 8°C. The average temperature during this period is around 11°C.
What is the wettest time of year in Foster City?
The wettest month in Foster City is January, with an average of 111mm of precipitation.
What is the driest time of year in Foster City?
The driest month in Foster City is August, with an average of 0mm of precipitation.
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