Santa Margarita Lake County Park Weather Forecast

    • 48
    • 88

    Mostly Sunny

    • 46
    • 86

    Mostly Sunny

    • 43
    • 80

    Mostly Sunny

    • 43
    • 76

    Mostly Sunny

    • 43
    • 76

    Mostly Sunny

    • 44
    • 77

    Mostly Sunny

Today 20 May San Luis Obispo County Mountains

Sunny, hot with Highs in the mid 80s. West wind around 15 Mph this afternoon.

Tonight 20 May San Luis Obispo County Mountains

Partly cloudy in the Evening, becoming mostly clear. Lows in the mid 50s.

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Santa Margarita Lake County Park Temperature Statistics

May Temperature

Paso Robles Municipal Airport (26.1 miles)

  • Lowest 4 May, 2026

    40.6 °F

  • Average May

    65.2 °F

  • Highest 10 May, 2026

    94.6 °F

Climate (2021–Present)

Paso Robles Municipal Airport (26.1 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    60.7 °F

  • Average High 2021–2026

    77.9 °F
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