Pismo Lake Weather Forecast

    • 53
    • 68

    Becoming Sunny

    • 54
    • 72

    Sunny

    • 54
    • 74

    Partly Sunny

    • 53
    • 70

    Patchy Fog

    • 53
    • 67

    Patchy Fog

    • 55
    • 65

    Chance Rain Showers

Today 31 Oct San Luis Obispo County Beaches

Mostly cloudy in the morning then sunny. Highs from the lower 60s at the Beaches to the lower 70s inland.

Tonight 31 Oct San Luis Obispo County Beaches

Mostly clear. Lows in the lower to mid 50s.

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Pismo Lake Temperature Statistics

October Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (6.8 miles)

  • Lowest 15 October, 2025

    44.1 °F

  • Average October

    61.1 °F

  • Highest 28 October, 2025

    89.1 °F

Climate (2020–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (6.8 miles)

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  • Average Low 2020–2025

    49.9 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    72.8 °F
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