Palo Alto Airport of Santa Clara County Weather Forecast

    • 58
    • 71

    Increasing Clouds

    • 57
    • 73

    Increasing Clouds

    • 58
    • 78

    Partly Sunny

    • 57
    • 78

    Partly Sunny

    • 58
    • 73

    Partly Sunny

    • 59
    • 78

    Mostly Sunny

    • 60
    • 82

    Mostly Sunny

Today 16 Sep San Francisco Bay Shoreline

Sunny. Highs in the 70s to mid 80s.

Tonight 16 Sep San Francisco Bay Shoreline

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 50s. West Winds 10 to 20 Mph. Becoming southwest 5 to 10 Mph after midnight.

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Palo Alto Airport of Santa Clara County Temperature Statistics

September Temperature

Palo Alto Airport (0 miles)

  • Lowest 6 September, 2026

    51.8 °F

  • Average September

    70 °F

  • Highest 9 September, 2026

    93.2 °F

Climate (2021–2026)

Palo Alto Airport (0 miles)

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  • Average Low 2021–2026

    51.2 °F

  • Average 2021–2026

    60.7 °F

  • Average High 2021–2026

    67.4 °F
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