Santa Margarita Lake County Park Weather Forecast

    • 47
    • 83

    Mostly Sunny

    • 49
    • 86

    Mostly Sunny

    • 49
    • 88

    Sunny

    • 54
    • 90

    Mostly Sunny

    • 51
    • 92

    Mostly Sunny

    • 49
    • 90

    Mostly Sunny

Today 21 Jun San Luis Obispo County Mountains

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

Tonight 21 Jun San Luis Obispo County Mountains

Mostly clear. Lows in the upper 40s and 50s. West Winds around 15 Mph in the evening.

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Santa Margarita Lake County Park Temperature Statistics

June Temperature

Paso Robles Municipal Airport (26.1 miles)

  • Lowest 7 June, 2026

    41.6 °F

  • Average June

    70.5 °F

  • Highest 10 June, 2026

    99.6 °F

Climate (2021–2026)

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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