Monarch Grove Natural Area Weather Forecast

    • 56
    • 73

    Sunny

    • 58
    • 80

    Mostly Sunny

    • 57
    • 77

    Partly Sunny

    • 58
    • 75

    Mostly Sunny

    • 59
    • 77

    Mostly Sunny

    • 60
    • 79

    Mostly Sunny

    • 58
    • 79

    Sunny

Today 11 Mar San Luis Obispo County Beaches

Sunny. Highs in the 70s. North Winds around 15 Mph.

Tonight 11 Mar San Luis Obispo County Beaches

Clear. Lows in the lower to mid 50s. North Winds 15 to 25 Mph.

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Monarch Grove Natural Area Temperature Statistics

March Temperature

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

  • Lowest 7 March, 2026

    42.1 °F

  • Average March

    57.4 °F

  • Highest 8 March, 2026

    81 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    50.1 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    72.9 °F
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