Monarch Grove Natural Area Weather Forecast

    • 55
    • 58

    Rain Showers

    • 54
    • 56

    Rain Showers

    • 48
    • 54

    Rain Showers

    • 46
    • 53

    Chance Rain

    • 47
    • 57

    Mostly Sunny

    • 49
    • 60

    Partly Sunny

Today 24 Dec San Luis Obispo County Beaches

Rain with a slight chance of Thunderstorms. Highs around 60. South Winds 20 to 30 Mph with Gusts to 40 Mph. Gusts to 50 Mph in the morning.

Tonight 24 Dec San Luis Obispo County Beaches

Showers with a slight chance of Thunderstorms. Lows in the lower to mid 50s. South Winds 25 to 35 Mph with Gusts to 60 Mph.

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Monarch Grove Natural Area Temperature Statistics

December Temperature

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