San Mateo, CA (94402)

Today

Cloudy and windy at times with periods of rain. High 51F. Winds WSW at 20 to 30 mph. Chance of rain 100%. Rainfall near an inch. Locally heavy rainfall possible..

Tonight

Rain early...then remaining cloudy with showers overnight. Low 43F. Winds W at 10 to 20 mph. Chance of rain 70%. Rainfall around a quarter of an inch.

Updated: February 17, 2026 @ 7:43 am