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55°
Light Rain
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San Mateo, CA (94402)
Today
A steady rain this morning. Showers continuing this afternoon. Potential for heavy rainfall. High 58F. Winds SW at 10 to 15 mph. Chance of rain 80%. Rainfall near a quarter of an inch..
Tonight
Partly cloudy this evening followed by increasing clouds with showers developing after midnight. Low 51F. Winds SW at 10 to 15 mph. Chance of rain 50%.
Updated: April 21, 2026 @ 8:30 am
- Full Forecast
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