Portola Weather Forecast

    • 47
    • 62

    Mostly Sunny

    • 48
    • 63

    Mostly Sunny

    • 49
    • 63

    Partly Sunny

    • 49
    • 63

    Partly Sunny

    • 50
    • 64

    Partly Sunny

    • 50
    • 66

    Partly Sunny

    • 50
    • 66

    Mostly Sunny

Today 5 Dec San Francisco

Sunny. Highs in the mid 50s to lower 60s. North Winds around 5 Mph. Becoming west in the afternoon.

Tonight 5 Dec San Francisco

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s. West Winds 5 to 10 Mph. Becoming north after midnight.

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Portola Temperature Statistics

December Temperature

San Francisco, San Francisco International Airport (7.5 miles)

  • Lowest 2 December, 2025

    45 °F

  • Average December

    52.1 °F

  • Highest 3 December, 2025

    63 °F

Climate (2020–Present)

San Francisco, San Francisco International Airport (7.5 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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