Pipeline Lake Weather Forecast

    • 62
    • 71

    Slight Chance Thunderstorms

    • 64
    • 83

    Mostly Sunny

    • 60
    • 75

    Mostly Sunny

    • 58
    • 67

    Partly Sunny

    • 57
    • 66

    Mostly Sunny

    • 57
    • 67

    Mostly Sunny

Today 8 Sep San Luis Obispo County Beaches

Low Clouds and fog with partial afternoon clearing. A 20 percent chance of Showers and Thunderstorms in the afternoon. Highs from the upper 60s to mid 70s at the Beaches to the 80s to around 90 inland.

Tonight 8 Sep San Luis Obispo County Beaches

Mostly cloudy. Lows in the upper 50s to mid 60s.

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Pipeline Lake Temperature Statistics

September Temperature

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

  • Lowest 6 September, 2026

    52 °F

  • Average September

    66.6 °F

  • Highest 6 September, 2026

    82 °F

Climate (2021–2026)

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

    61.1 °F

  • Average High 2021–2026

    73.3 °F
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