Morro Coast Audubon Society Sweet Springs Nature Preserve Weather Forecast

    • 56
    • 64

    Gradual Clearing

    • 56
    • 65

    Partly Sunny

    • 55
    • 66

    Partly Sunny

    • 54
    • 65

    Mostly Cloudy

    • 54
    • 65

    Partly Sunny

    • 56
    • 66

    Partly Sunny

Today 12 Sep San Luis Obispo County Beaches

Low Clouds and fog in the morning then partly cloudy. Highs from around 70 at the Beaches to the upper 70s to mid 80s inland. West Winds 15 to 25 Mph in the afternoon.

Tonight 12 Sep San Luis Obispo County Beaches

Low Clouds and fog. Lows in the mid 50s. Northwest Winds 15 to 25 Mph.

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Morro Coast Audubon Society Sweet Springs Nature Preserve Temperature Statistics

September Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (13 miles)

  • Lowest 7 September, 2026

    49.6 °F

  • Average September

    69.7 °F

  • Highest 9 September, 2026

    104 °F

Climate (2021–2026)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (13 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    61.1 °F

  • Average High 2021–2026

    73.3 °F
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