Santa Margarita Lake Weather Forecast

    • 49
    • 90

    Sunny

    • 47
    • 86

    Mostly Sunny

    • 44
    • 79

    Mostly Sunny

    • 45
    • 74

    Mostly Sunny

    • 48
    • 78

    Mostly Sunny

    • 48
    • 80

    Mostly Sunny

Today 4 Jun San Luis Obispo County Mountains

Sunny. Highs from the 90s at low Elevations to the 80s at high Elevations. Northeast Winds around 15 Mph in the morning.

Tonight 4 Jun San Luis Obispo County Mountains

Mostly clear. Lows in the mid 50s to lower 60s.

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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 1 June, 2026

    49.6 °F

  • Average June

    60.3 °F

  • Highest 1 June, 2026

    74.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    60.8 °F

  • Average High 2021–2026

    73.2 °F
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