Portola Weather Forecast

    • 63
    • 88

    Increasing Clouds

    • 62
    • 86

    Partly Sunny

    • 62
    • 84

    Mostly Sunny

    • 62
    • 84

    Mostly Sunny

    • 61
    • 83

    Mostly Sunny

    • 60
    • 79

    Partly Sunny

Today 3 Oct San Francisco

Sunny. Highs in the mid 70s to upper 80s. Northeast Winds around 5 Mph. Becoming northwest in the afternoon.

Tonight 3 Oct San Francisco

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 60s. Southwest Winds 5 to 10 Mph.

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Portola Temperature Statistics

October Temperature

San Francisco, San Francisco International Airport (7.5 miles)

  • Lowest 1 October, 2026

    54 °F

  • Average October

    60.2 °F

  • Highest 1 October, 2026

    72 °F

Climate (2021–2026)

San Francisco, San Francisco International Airport (7.5 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    66.8 °F
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