Santa Margarita Lake Weather Forecast

    • 50
    • 87

    Mostly Sunny

    • 52
    • 86

    Sunny

    • 54
    • 94

    Sunny

    • 48
    • 87

    Sunny

    • 47
    • 87

    Sunny

    • 48
    • 85

    Sunny

Today 16 Jun San Luis Obispo County Mountains

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

Tonight 16 Jun San Luis Obispo County Mountains

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

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Santa Margarita Lake Temperature Statistics

June Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (11.2 miles)

  • Lowest 13 June, 2025

    48.9 °F

  • Average June

    61.6 °F

  • Highest 10 June, 2025

    74.6 °F

Climate (2020–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (11.2 miles)

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  • Average Low 2020–2025

    50 °F

  • Average 2020–2025

    60.2 °F

  • Average High 2020–2025

    72.9 °F
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