University South Weather Forecast

    • 58
    • 80

    Increasing Clouds

    • 61
    • 78

    Partly Sunny

    • 60
    • 75

    Partly Sunny

    • 62
    • 79

    Partly Sunny

    • 61
    • 79

    Partly Sunny

    • 62
    • 78

    Partly Sunny

    • 60
    • 76

    Partly Sunny

Today 3 Sep San Francisco Bay Shoreline

Sunny. Highs in the mid 70s to lower 80s. Northwest Winds 10 to 20 Mph.

Tonight 3 Sep San Francisco Bay Shoreline

Mostly clear in the evening then becoming mostly cloudy. Lows around 60. Northwest Winds 5 to 15 Mph.

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University South Temperature Statistics

September Temperature

Palo Alto Airport (2.5 miles)

  • Lowest 1 September, 2025

    57.2 °F

  • Average September

    70.7 °F

  • Highest 1 September, 2025

    80.6 °F

Climate (2020–Present)

Palo Alto Airport (2.5 miles)

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  • Average Low 2020–2025

    50.9 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    67.2 °F
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