Bear Gulch Reservoir Weather Forecast

    • 58
    • 79

    Becoming Sunny

    • 60
    • 82

    Partly Sunny

    • 60
    • 84

    Partly Sunny

    • 60
    • 83

    Partly Sunny

    • 59
    • 81

    Partly Sunny

    • 59
    • 81

    Partly Sunny

Today 5 Sep San Francisco Bay Shoreline

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

Tonight 5 Sep San Francisco Bay Shoreline

Mostly cloudy. Lows in the lower 60s. West Winds 5 to 10 Mph.

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Bear Gulch Reservoir Temperature Statistics

September Temperature

San Carlos Airport (5.6 miles)

  • Lowest 1 September, 2025

    60.8 °F

  • Average September

    67 °F

  • Highest 1 September, 2025

    89.6 °F

Climate (2020–Present)

San Carlos Airport (5.6 miles)

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  • Average Low 2020–2025

    51.2 °F

  • Average 2020–2025

    56.5 °F

  • Average High 2020–2025

    68.2 °F
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