Santa Margarita Lake County Park Weather Forecast

    • 49
    • 76

    Sunny

    • 49
    • 80

    Mostly Sunny

    • 49
    • 75

    Partly Sunny

    • 45
    • 74

    Mostly Sunny

    • 48
    • 74

    Sunny

    • 49
    • 77

    Mostly Sunny

    • 48
    • 82

    Mostly Sunny

Today 23 Oct San Luis Obispo County Mountains

Sunny except for patchy low Clouds and fog in the morning. Highs from the lower to mid 70s at low Elevations to the mid to upper 60s at high Elevations. Northeast Winds 15 to 25 Mph in the morning.

Tonight 23 Oct San Luis Obispo County Mountains

Clear. Lows in the mid 40s to mid 50s. Northeast Winds around 15 Mph.

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Santa Margarita Lake County Park Temperature Statistics

October Temperature

Paso Robles Municipal Airport (26.1 miles)

  • Lowest 12 October, 2025

    41 °F

  • Average October

    59.8 °F

  • Highest 7 October, 2025

    91 °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

    60.3 °F

  • Average High 2020–2025

    77.8 °F
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