Pismo Dunes Natural Preserve Weather Forecast

    • 50
    • 66

    Mostly Sunny

    • 50
    • 67

    Mostly Sunny

    • 55
    • 66

    Mostly Sunny

    • 53
    • 68

    Patchy Fog

    • 54
    • 65

    Mostly Cloudy

    • 56
    • 61

    Chance Rain Showers

Today 15 Dec San Luis Obispo County Beaches

Areas of low Clouds and fog in the morning then sunny. Highs in the upper 60s to mid 70s. North Winds around 15 Mph in the afternoon.

Tonight 15 Dec San Luis Obispo County Beaches

Mostly clear. Lows in the upper 40s and 50s. North Winds around 15 Mph in the evening.

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Pismo Dunes Natural Preserve Temperature Statistics

December Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (11.8 miles)

  • Lowest 4 December, 2025

    37 °F

  • Average December

    57.4 °F

  • Highest 10 December, 2025

    82 °F

Climate (2020–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (11.8 miles)

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  • Average Low 2020–2025

    50 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    72.8 °F
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