Atherton Weather Forecast

    • 62
    • 84

    Becoming Sunny

    • 61
    • 88

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 59
    • 80

    Mostly Sunny

    • 57
    • 78

    Partly Sunny

Today 20 Sep San Francisco Bay Shoreline

Partly cloudy in the morning then becoming sunny. Highs in the upper 70s to mid 80s. Northeast Winds up to 5 Mph increasing to northwest 10 to 15 Mph in the afternoon.

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Atherton Temperature Statistics

September Temperature

Palo Alto Airport (4.3 miles)

  • Lowest 2 September, 2021

    51.8 °F
  • Average September

    66.1 °F
  • Highest 6 September, 2021

    84.2 °F

Climate (2010–Present)

Palo Alto Airport (4.3 miles)

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  • Average Low 2010–Present

    52.7 °F
  • Average 2010–Present

    61.8 °F
  • Average High 2010–Present

    68.6 °F
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