Celery Lake Weather Forecast

    • 43
    • 68

    Dense Fog

    • 45
    • 68

    Partly Sunny

    • 48
    • 77

    Mostly Sunny

    • 50
    • 77

    Mostly Sunny

    • 52
    • 74

    Sunny

    • 51
    • 73

    Mostly Sunny

Today 13 Dec San Luis Obispo County Beaches

Areas of low Clouds and fog mostly clearing in the afternoon. Fog locally dense with visibility one quarter mile or less. Highs from the mid 60s to around 70 at the Beaches to the upper 70s to mid 80s inland.

Tonight 13 Dec San Luis Obispo County Beaches

Areas of low Clouds and fog. Fog locally dense with visibility one quarter mile or less. Lows in the upper 30s to mid 40s except around 60 in the Hills.

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Celery Lake Temperature Statistics

December Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (11.2 miles)

  • Lowest 4 December, 2025

    37 °F

  • Average December

    57.5 °F

  • Highest 10 December, 2025

    82 °F

Climate (2020–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (11.2 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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