San Mateo Weather Forecast

    • 45
    • 64

    Increasing Clouds

    • 43
    • 64

    Partly Sunny

    • 45
    • 63

    Mostly Sunny

    • 49
    • 65

    Partly Sunny

    • 50
    • 64

    Partly Sunny

    • 47
    • 64

    Partly Sunny

Today 2 Dec San Francisco Bay Shoreline

Partly cloudy in the morning then becoming sunny. Highs in the mid 60s. Northwest Winds 5 to 10 Mph.

Tonight 2 Dec San Francisco Bay Shoreline

Partly cloudy. Lows in the 40s. Northwest Winds 5 to 10 Mph.

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San Mateo Temperature Statistics

December Temperature

San Francisco, San Francisco International Airport (4.3 miles)

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  • Average December

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Climate (2020–Present)

San Francisco, San Francisco International Airport (4.3 miles)

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  • Average Low 2020–2025

    52.4 °F

  • Average 2020–2025

    58.3 °F

  • Average High 2020–2025

    66.5 °F
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