Pismo Dunes Weather Forecast

    • 46
    • 67

    Sunny

    • 47
    • 67

    Sunny

    • 52
    • 68

    Sunny

    • 53
    • 68

    Mostly Sunny

    • 53
    • 69

    Mostly Sunny

    • 53
    • 68

    Sunny

Today 6 Dec San Luis Obispo County Beaches

Sunny. Highs in the mid 60s to lower 70s. North Winds around 15 Mph.

Tonight 6 Dec San Luis Obispo County Beaches

Clear. Lows in the 40s except the lower to mid 50s in the Hills. North Winds around 15 Mph.

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Pismo Dunes Temperature Statistics

December Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (13 miles)

  • Lowest 4 December, 2025

    37 °F

  • Average December

    50.9 °F

  • Highest 2 December, 2025

    69.1 °F

Climate (2020–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (13 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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