Los Osos Oaks State Reserve Weather Forecast

    • 57
    • 78

    Patchy Fog

    • 57
    • 73

    Mostly Cloudy

    • 56
    • 71

    Partly Sunny

    • 55
    • 69

    Partly Sunny

    • 55
    • 69

    Patchy Fog

    • 56
    • 72

    Patchy Fog

Today 7 Sep San Luis Obispo County Beaches

Low Clouds and fog in the morning then partly cloudy. Highs from the upper 60s to mid 70s at the Beaches to the upper 70s inland. West Winds around 15 Mph in the afternoon.

Tonight 7 Sep San Luis Obispo County Beaches

Low Clouds and fog. Lows in the mid 50s. West Winds around 15 Mph in the evening.

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Los Osos Oaks State Reserve Temperature Statistics

September Temperature

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

  • Lowest 5 September, 2025

    57.9 °F

  • Average September

    67.6 °F

  • Highest 1 September, 2025

    87.1 °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

    49.9 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    72.9 °F
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