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City of San Mateo, CASan Mateo, CA 7-Day Night Weather Forecast
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San Mateo, CA Weather Forecast
San Mateo, CA Weather Forecast Date: 302 PM PDT Fri Sep 25 2026
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Rest of Today... Sunny, breezy. Highs in the 70s. West winds 20 to 30 mph.
Tonight... Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s. Southwest winds 10 to 20 mph.
Saturday... Partly cloudy in the morning then becoming sunny. Highs in the upper 60s to mid 70s. Southwest winds 5 to 10 mph... Becoming west 10 to 20 mph in the afternoon.
Saturday Night... Partly cloudy in the evening then becoming cloudy. Lows in the mid 50s. West winds 10 to 20 mph.
Sunday... Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid to upper 60s. Southwest winds 5 to 10 mph...Becoming west 10 to 20 mph in the afternoon.
Sunday Night... Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s.
Monday... Partly cloudy in the morning then becoming sunny. Highs in the 70s.
Monday Night... Clear. Lows in the mid 50s.
Tuesday... Sunny. Highs in the lower 70s to mid 80s.
Tuesday Night... Clear. Lows in the upper 50s.
Wednesday... Mostly clear. Highs in the 70s to lower 80s. Lows in the upper 50s.
POP = Probability of Precipitation
San Mateo Radar Loop
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