Weather WorldFoster City, CA 7-Day Night Weather Forecast
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Foster City, CA Weather Forecast
Foster City, CA Weather Forecast Date: 602 PM PDT Tue Sep 22 2026
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Tonight... Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s. West winds 10 to 20 mph...Becoming south 5 to 10 mph after midnight.
Wednesday... Partly cloudy in the morning then becoming sunny. Highs in the upper 70s to mid 80s. Light winds...Becoming northwest 5 to 15 mph in the afternoon.
Wednesday Night... Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s. West winds 10 to 15 mph... Becoming southwest up to 5 mph after midnight.
Thursday... Partly cloudy. Highs in the 70s to mid 80s. Southwest winds up to 5 mph...Becoming west 5 to 15 mph in the afternoon.
Thursday Night... Mostly cloudy in the evening then becoming partly cloudy. Lows around 60. West winds 10 to 20 mph.
Friday... Mostly cloudy in the morning then becoming partly cloudy. Highs in the 70s.
Friday Night... Mostly clear. Lows in the mid 50s.
Saturday... Partly cloudy. Highs in the mid 60s to upper 70s. Lows in the mid 50s.
Sunday... Partly cloudy. Highs in the mid 60s to upper 70s. Lows in the mid 50s.
Sunday Night... Mostly clear. Lows in the mid 50s. Highs in the 60s to upper 70s.
Monday... Mostly clear. Lows in the mid 50s. Highs in the 60s to upper 70s.
POP = Probability of Precipitation
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