Celery Lake Weather Forecast

    • 35
    • 62

    Decreasing Clouds

    • 40
    • 66

    Mostly Sunny

    • 46
    • 65

    Sunny

    • 49
    • 64

    Sunny

    • 51
    • 67

    Sunny

    • 50
    • 68

    Mostly Sunny

Today 3 Dec San Luis Obispo County Beaches

Sunny in the morning then mostly cloudy. Highs in the lower to mid 60s. Northeast Winds 15 to 25 Mph.

Tonight 3 Dec San Luis Obispo County Beaches

Partly cloudy in the evening then mostly clear. Lows in the 30s to around 40 except the mid to upper 40s in the Hills. Northeast Winds around 15 Mph.

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Celery Lake Temperature Statistics

December Temperature

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

  • Lowest 1 December, 2025

    41 °F

  • Average December

    52 °F

  • Highest 1 December, 2025

    66.9 °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

    49.9 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    72.8 °F
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