Santa Margarita Lake County Park Weather Forecast

    • 50
    • 89

    Sunny

    • 51
    • 90

    Sunny

    • 53
    • 93

    Mostly Sunny

    • 57
    • 95

    Mostly Sunny

    • 58
    • 99

    Hot

    • 56
    • 98

    Hot

    • 52
    • 92

    Sunny

Today 26 Aug San Luis Obispo County Mountains

Sunny. A 20 percent chance of Showers and Thunderstorms in the afternoon. Highs from the upper 80s to mid 90s at low Elevations to the upper 70s to mid 80s at high Elevations. Southwest Winds around 15 Mph in the afternoon.

Tonight 26 Aug San Luis Obispo County Mountains

Clear. Lows in the mid 50s to lower 60s. Southwest Winds around 15 Mph in the evening.

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Santa Margarita Lake County Park Temperature Statistics

August Temperature

Paso Robles Municipal Airport (26.1 miles)

  • Lowest 4 August, 2025

    49.6 °F

  • Average August

    75.9 °F

  • Highest 22 August, 2025

    105.7 °F

Climate (2020–Present)

Paso Robles Municipal Airport (26.1 miles)

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  • Average Low 2020–2025

    44.9 °F

  • Average 2020–2025

    60.5 °F

  • Average High 2020–2025

    78.1 °F
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