Weather WorldFoster City, CA 7-Day Night Weather Forecast
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Foster City, CA Weather Forecast
Foster City, CA Weather Forecast Date: 501 PM PST Mon Mar 02 2026
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Tonight... Mostly clear in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. West winds up to 5 mph.
Tuesday... Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the 60s. West winds up to 5 mph increasing to 5 to 15 mph in the afternoon.
Tuesday Night... Partly cloudy in the evening then becoming mostly cloudy. Lows around 50. West winds 5 to 15 mph.
Wednesday... Mostly cloudy in the morning then becoming sunny. Highs in the mid 60s. West winds 10 to 20 mph.
Wednesday Night... Clear. Lows in the 40s. Northwest winds 10 to 20 mph.
Thursday... Sunny. Highs in the mid 60s.
Thursday Night... Clear. Lows in the upper 40s.
Friday... Sunny. Highs in the upper 60s.
Friday Night... Clear. Lows in the lower 50s. Highs in the lower to mid 70s.
Saturday... Clear. Lows in the lower 50s. Highs in the lower to mid 70s.
Sunday... Sunny. Highs in the upper 60s to mid 70s.
Sunday Night... Partly cloudy. Lows in the lower 50s.
POP = Probability of Precipitation
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