Portola Valley Weather Forecast

    • 50
    • 75

    Becoming Sunny

    • 51
    • 77

    Partly Sunny

    • 51
    • 75

    Partly Sunny

    • 51
    • 72

    Partly Sunny

    • 51
    • 74

    Mostly Sunny

    • 52
    • 73

    Chance Rain

Today 6 Nov San Francisco Bay Shoreline

Partly cloudy. Highs in the lower 70s. East Winds up to 5 Mph. Becoming northwest in the afternoon.

Tonight 6 Nov San Francisco Bay Shoreline

Mostly clear. Lows in the lower 50s. Southeast Winds 5 to 10 Mph.

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Portola Valley Temperature Statistics

November Temperature

Palo Alto Airport (8.1 miles)

  • Lowest 2 November, 2026

    46.4 °F

  • Average November

    59.4 °F

  • Highest 4 November, 2026

    69.8 °F

Climate (2021–2026)

Palo Alto Airport (8.1 miles)

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  • Average Low 2021–2026

    51.2 °F

  • Average 2021–2026

    60.7 °F

  • Average High 2021–2026

    67.5 °F
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