Santa Margarita Lake County Park Weather Forecast

    • 44
    • 79

    Sunny

    • 44
    • 75

    Sunny

    • 44
    • 74

    Sunny

    • 43
    • 73

    Mostly Sunny

    • 42
    • 71

    Mostly Sunny

    • 44
    • 75

    Mostly Sunny

Today 22 May San Luis Obispo County Mountains

Sunny. Highs from the mid 80s to around 90 at low Elevations to the mid 70s to around 80 at high Elevations. West wind around 15 Mph in the afternoon.

Tonight 22 May San Luis Obispo County Mountains

Clear. Lows in the mid 40s to mid 50s. West wind around 15 Mph in the evening.

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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

    65.4 °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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