Monarch Grove Natural Area Weather Forecast

    • 50
    • 58

    Gradual Clearing

    • 52
    • 64

    Mostly Cloudy

    • 53
    • 68

    Mostly Sunny

    • 50
    • 69

    Breezy

    • 53
    • 65

    Mostly Sunny

    • 54
    • 67

    Partly Sunny

Today 13 May San Luis Obispo County Beaches

Cloudy this Morning, becoming partly cloudy. Highs around 60. Northwest wind 15 to 20 Mph this afternoon.

Tonight 13 May San Luis Obispo County Beaches

Mostly clear. Lows around 50. Northwest wind 15 to 20 Mph in the evening.

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Monarch Grove Natural Area Temperature Statistics

May Temperature

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

  • Lowest 4 May, 2026

    46.7 °F

  • Average May

    60 °F

  • Highest 10 May, 2026

    73.9 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    60.8 °F

  • Average High 2021–2026

    73.2 °F
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