Santa Margarita Lake County Park Weather Forecast

    • 38
    • 65

    Mostly Sunny

    • 42
    • 73

    Sunny

    • 44
    • 78

    Sunny

    • 44
    • 75

    Mostly Sunny

    • 44
    • 74

    Mostly Sunny

    • 48
    • 77

    Mostly Sunny

    • 48
    • 82

    Mostly Sunny

Today 6 Mar San Luis Obispo County Mountains

Sunny. Highs from the mid 60s to around 70 at low Elevations to around 60 at high Elevations. Northeast Winds around 15 Mph.

Tonight 6 Mar San Luis Obispo County Mountains

Mostly clear. Lows in the mid 30s to mid 40s. Northeast Winds around 15 Mph.

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Santa Margarita Lake County Park Temperature Statistics

March Temperature

Paso Robles Municipal Airport (26.1 miles)

  • Lowest 1 March, 2026

    44.1 °F

  • Average March

    55.7 °F

  • Highest 1 March, 2026

    72 °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

    60.5 °F

  • Average High 2021–2026

    77.7 °F
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