Whale Rock Reservoir Weather Forecast

    • 52
    • 56

    Increasing Clouds

    • 51
    • 57

    Sunny

    • 53
    • 61

    Mostly Sunny

    • 56
    • 62

    Mostly Sunny

    • 57
    • 67

    Sunny

    • 56
    • 66

    Sunny

Today 26 Aug San Luis Obispo County Beaches

Low Clouds and fog in the morning then sunny. Highs from the lower 60s at the Beaches to the lower 70s inland.

Tonight 26 Aug San Luis Obispo County Beaches

Low Clouds and fog developing. Lows in the mid 50s.

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Whale Rock Reservoir Temperature Statistics

August Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (19.9 miles)

  • Lowest 4 August, 2025

    48.7 °F

  • Average August

    67.2 °F

  • Highest 21 August, 2025

    95.6 °F

Climate (2020–Present)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (19.9 miles)

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  • Average Low 2020–2025

    49.9 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    72.9 °F
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