Monday
Becoming sunny
High:
78°F
Partly sunny, then gradually becoming sunny, with a high near 78. Calm wind becoming west 5 to 9 mph in the afternoon.
San Mateo, CA Weather - Tomorrow’s Forecast
Monday Night
Mostly clear
Overnight low:
57°F
Mostly clear, with a low around 57. West wind 5 to 8 mph becoming calm in the evening.