Santa Margarita Lake County Park Weather Forecast

    • 45
    • 83

    Partly Sunny

    • 45
    • 67

    Partly Sunny

    • 40
    • 64

    Partly Sunny

    • 36
    • 63

    Mostly Sunny

    • 40
    • 64

    Mostly Cloudy

    • 44
    • 60

    Chance Rain

Today 25 Mar San Luis Obispo County Mountains

Sunny. Highs from the mid to upper 80s at low Elevations to the mid 70s to around 80 at high Elevations. East Winds around 15 Mph in the morning.

Tonight 25 Mar San Luis Obispo County Mountains

Partly cloudy. Lows in the mid 40s to mid 50s.

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Santa Margarita Lake County Park Temperature Statistics

March Temperature

Paso Robles Municipal Airport (26.1 miles)

  • Lowest 19 March, 2025

    31.7 °F

  • Average March

    49.9 °F

  • Highest 23 March, 2025

    73.9 °F

Climate (2020–Present)

Paso Robles Municipal Airport (26.1 miles)

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  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    78 °F
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