San Bruno Mountain State Park Weather Forecast

    • 57
    • 67

    Mostly Cloudy

    • 56
    • 65

    Chance Drizzle

    • 55
    • 65

    Partly Sunny

    • 56
    • 66

    Partly Sunny

    • 56
    • 66

    Partly Sunny

    • 58
    • 69

    Partly Sunny

Today 2 Sep San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower to mid 70s. South Winds 5 to 10 Mph becoming west 10 to 20 Mph in the afternoon.

Tonight 2 Sep San Francisco Bay Shoreline

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s. West Winds 10 to 15 Mph. Becoming south up to 5 Mph after midnight.

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San Bruno Mountain State Park Temperature Statistics

September Temperature

San Francisco, San Francisco International Airport (5.6 miles)

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  • Average September

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Climate (2021–2026)

San Francisco, San Francisco International Airport (5.6 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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