Main Post Weather Forecast

    • 59
    • 65

    Increasing Clouds

    • 56
    • 61

    Breezy

    • 53
    • 58

    Breezy

    • 55
    • 58

    Mostly Sunny

    • 55
    • 60

    Mostly Sunny

    • 56
    • 60

    Mostly Sunny

    • 57
    • 61

    Mostly Sunny

Today 8 Oct San Francisco

Mostly clear. Lows in the mid 50s. Highs in the 60s to mid 70s.

Tonight 8 Oct San Francisco

Partly cloudy late in the evening then becoming mostly cloudy. Lows in the upper 50s. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Main Post Temperature Statistics

October Temperature

San Francisco, San Francisco International Airport (13 miles)

  • Lowest 1 October, 2026

    54.6 °F

  • Average October

    67.8 °F

  • Highest 3 October, 2026

    90.6 °F

Climate (2021–2026)

San Francisco, San Francisco International Airport (13 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    58.8 °F

  • Average High 2021–2026

    66.8 °F
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