Monarch Grove Natural Area Weather Forecast

    • 60
    • 82

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

    • 54
    • 68

    Patchy Fog

    • 55
    • 66

    Mostly Sunny

    • 56
    • 69

    Partly Sunny

    • 55
    • 69

    Partly Sunny

Today 28 Oct San Luis Obispo County Beaches

Sunny. Highs from the mid to upper 70s at the Beaches to the mid 80s inland. North Winds 15 to 25 Mph.

Tonight 28 Oct San Luis Obispo County Beaches

Mostly clear. Lows around 60. Northeast Winds around 15 Mph.

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Monarch Grove Natural Area Temperature Statistics

October Temperature

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

  • Lowest 15 October, 2025

    44.1 °F

  • Average October

    60.6 °F

  • Highest 17 October, 2025

    84 °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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