Charleston Gardens Weather Forecast

    • 57
    • 75

    Gradual Clearing

    • 56
    • 76

    Mostly Sunny

    • 57
    • 79

    Mostly Sunny

    • 60
    • 86

    Mostly Sunny

    • 60
    • 86

    Partly Sunny

    • 57
    • 80

    Mostly Sunny

    • 55
    • 79

    Mostly Sunny

Today 20 Sep San Francisco Bay Shoreline

Partly cloudy in the morning then becoming sunny. Highs in the 60s to upper 70s.

Tonight 20 Sep San Francisco Bay Shoreline

Mostly cloudy. Lows in the upper 50s. West Winds 5 to 15 Mph.

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Charleston Gardens Temperature Statistics

September Temperature

Palo Alto Airport (3.1 miles)

  • Lowest 6 September, 2026

    51.8 °F

  • Average September

    69 °F

  • Highest 9 September, 2026

    93.2 °F

Climate (2021–2026)

Palo Alto Airport (3.1 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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