Lagunita Weather Forecast

    • 56
    • 75

    Becoming Sunny

    • 55
    • 79

    Mostly Sunny

    • 60
    • 88

    Mostly Sunny

    • 59
    • 87

    Partly Sunny

    • 56
    • 81

    Mostly Sunny

    • 54
    • 80

    Mostly Sunny

Today 21 Sep San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming sunny. Highs in the upper 60s to mid 70s. Southwest Winds 5 to 10 Mph becoming west 10 to 20 Mph in the afternoon.

Tonight 21 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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Lagunita Temperature Statistics

September Temperature

Palo Alto Airport (4.3 miles)

  • Lowest 6 September, 2026

    51.8 °F

  • Average September

    68.8 °F

  • Highest 9 September, 2026

    93.2 °F

Climate (2021–2026)

Palo Alto Airport (4.3 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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