Pine Valley Reservoir Weather Forecast

    • 59
    • 87

    Mostly Sunny

    • 58
    • 83

    Mostly Sunny

    • 56
    • 81

    Sunny

    • 49
    • 77

    Mostly Sunny

    • 52
    • 76

    Partly Sunny

    • 51
    • 74

    Chance Rain Showers

Today 10 Sep Southern Mountains

Sunny. Highs around 70.

Tonight 10 Sep Southern Mountains

Mostly clear. Lows in the lower 50s.

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Pine Valley Reservoir Temperature Statistics

September Temperature

St George Municipal Airport (23 miles)

  • Lowest 7 September, 2026

    62.1 °F

  • Average September

    80.1 °F

  • Highest 5 September, 2026

    97 °F

Climate (2021–2026)

St George Municipal Airport (23 miles)

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  • Average Low 2021–2026

    53 °F

  • Average 2021–2026

    64.8 °F

  • Average High 2021–2026

    76.8 °F
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