San Mateo Weather Forecast

    • 44
    • 59

    Increasing Clouds

    • 44
    • 62

    Partly Sunny

    • 48
    • 63

    Chance Rain

    • 47
    • 61

    Chance Rain

    • 47
    • 62

    Partly Sunny

    • 47
    • 64

    Mostly Cloudy

Today 25 Jan San Francisco Bay Shoreline

Mostly cloudy. Highs in the upper 50s. Northeast Winds 5 to 10 Mph.

Tonight 25 Jan San Francisco Bay Shoreline

Mostly cloudy. Lows in the mid 40s. East Winds up to 5 Mph.

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  • Temperature Real-Time

San Mateo Temperature Statistics

January Temperature

San Francisco, San Francisco International Airport (4.3 miles)

  • Lowest 10 January, 2026

    40.6 °F

  • Average January

    53.4 °F

  • Highest 16 January, 2026

    69.1 °F

Climate (2021–Present)

San Francisco, San Francisco International Airport (4.3 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    66.5 °F
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