San Francisco State Fish and Game Refuge Weather Forecast

    • 54
    • 70

    Increasing Clouds

    • 52
    • 67

    Partly Sunny

    • 55
    • 79

    Mostly Sunny

    • 57
    • 79

    Partly Sunny

    • 60
    • 77

    Slight Chance Rain

    • 58
    • 77

    Partly Sunny

Today 5 Sep San Francisco Peninsula Coast

Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid 60s. Northwest Winds 5 to 10 Mph.

Tonight 5 Sep San Francisco Peninsula Coast

Mostly cloudy. Lows in the mid 50s. Northwest Winds 5 to 10 Mph.

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San Francisco State Fish and Game Refuge Temperature Statistics

September Temperature

San Francisco, San Francisco International Airport (5 miles)

  • Lowest 1 September, 2026

    61.6 °F

  • Average September

    66.3 °F

  • Highest 2 September, 2026

    72 °F

Climate (2021–2026)

San Francisco, San Francisco International Airport (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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