Lower Crystal Springs Reservoir Weather Forecast

    • 51
    • 69

    Mostly Sunny

    • 53
    • 74

    Mostly Sunny

    • 53
    • 76

    Mostly Sunny

    • 53
    • 71

    Partly Sunny

    • 53
    • 72

    Mostly Sunny

    • 54
    • 73

    Mostly Sunny

Today 16 Oct San Francisco Bay Shoreline

Partly cloudy in the morning then becoming sunny. Highs near 70. West Winds around 5 Mph increasing to northwest 10 to 20 Mph in the afternoon.

Tonight 16 Oct San Francisco Bay Shoreline

Mostly clear. Lows in the lower 50s. Northwest Winds around 5 Mph.

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Lower Crystal Springs Reservoir Temperature Statistics

October Temperature

San Francisco, San Francisco International Airport (6.2 miles)

  • Lowest 13 October, 2025

    53.1 °F

  • Average October

    63.5 °F

  • Highest 6 October, 2025

    82.9 °F

Climate (2020–Present)

San Francisco, San Francisco International Airport (6.2 miles)

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  • Average Low 2020–2025

    52.3 °F

  • Average 2020–2025

    58.3 °F

  • Average High 2020–2025

    66.6 °F
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