Junipero Serra County Park Weather Forecast

    • 64
    • 81

    Increasing Clouds

    • 63
    • 88

    Partly Sunny

    • 59
    • 78

    Mostly Sunny

    • 57
    • 71

    Partly Sunny

    • 56
    • 67

    Mostly Sunny

    • 56
    • 70

    Mostly Sunny

Today 8 Sep San Francisco Bay Shoreline

Sunny late in the morning then becoming partly cloudy. Highs in the 80s. Light Winds. Becoming northwest 10 to 15 Mph in the afternoon.

Tonight 8 Sep San Francisco Bay Shoreline

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 60s. Northwest Winds 5 to 10 Mph in the evening. Becoming light.

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Junipero Serra County Park Temperature Statistics

September Temperature

San Francisco, San Francisco International Airport (3.1 miles)

  • Lowest 4 September, 2026

    58.6 °F

  • Average September

    66.2 °F

  • Highest 5 September, 2026

    74.6 °F

Climate (2021–2026)

San Francisco, San Francisco International Airport (3.1 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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