San Mateo Weather Forecast
- 51
- 77
Mostly Sunny
- 53
- 80
Partly Sunny
- 50
- 71
Mostly Cloudy
- 49
- 66
Chance Rain
- 49
- 69
Rain Likely
- 47
- 65
Slight Chance Rain
Today 28 Mar San Francisco Bay Shoreline
Sunny. Highs in the 70s. Light Winds. Becoming northwest 5 to 10 Mph in the afternoon.
Tonight 28 Mar San Francisco Bay Shoreline
Mostly clear. Lows in the lower 50s. West Winds around 5 Mph in the evening. Becoming light.
San Mateo Temperature Statistics
March Temperature
San Francisco, San Francisco International Airport (4.3 miles)
Lowest 5 March, 2026
46.7 °FAverage March
62.2 °FHighest 20 March, 2026
89.7 °F
Climate (2021–Present)
San Francisco, San Francisco International Airport (4.3 miles)
Average Low 2021–2026
52.5 °FAverage 2021–2026
58.5 °FAverage High 2021–2026
66.7 °F