Lopez Reservoir Weather Forecast

    • 54
    • 68

    Slight Chance Thunderstorms

    • 51
    • 70

    Partly Sunny

    • 52
    • 72

    Patchy Fog

    • 52
    • 73

    Partly Sunny

    • 54
    • 73

    Partly Sunny

    • 55
    • 77

    Partly Sunny

Today 13 Aug San Luis Obispo County Inland Central Coast

Cloudy. A chance of Showers early in the Morning, then a slight chance of Showers and Thunderstorms in the morning. Highs in the mid 60s to lower 70s. Chance of precipitation 20 percent.

Tonight 13 Aug San Luis Obispo County Inland Central Coast

Cloudy. Lows in the mid to upper 50s.

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Lopez Reservoir Temperature Statistics

August Temperature

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (6.8 miles)

  • Lowest 1 August, 2026

    52.6 °F

  • Average August

    69.2 °F

  • Highest 9 August, 2026

    85.6 °F

Climate (2021–2026)

San Luis Obispo, San Luis Obispo County-Mc Chesney Field (6.8 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    73.2 °F
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