Pine Valley Reservoir Weather Forecast

    • 46
    • 74

    Mostly Sunny

    • 47
    • 76

    Sunny

    • 49
    • 78

    Sunny

    • 49
    • 80

    Sunny

    • 50
    • 81

    Mostly Sunny

    • 50
    • 80

    Chance Rain Showers

Today 13 Sep Southern Mountains

Partly cloudy with scattered rain Showers and isolated Thunderstorms in the Morning, then partly sunny with scattered rain Showers, isolated Thunderstorms and snow Showers in the afternoon. Highs around 60. Chance of precipitation 40 percent.

Tonight 13 Sep Southern Mountains

Mostly clear. Lows around 40.

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Pine Valley Reservoir Temperature Statistics

September Temperature

St George Municipal Airport (23 miles)

  • Lowest 5 September, 2025

    64.9 °F

  • Average September

    82.4 °F

  • Highest 1 September, 2025

    102 °F

Climate (2020–Present)

St George Municipal Airport (23 miles)

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  • Average Low 2020–2025

    52.3 °F

  • Average 2020–2025

    64.3 °F

  • Average High 2020–2025

    76.5 °F
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