Sand Hollow Reservoir Weather Forecast

    • 70
    • 101

    Hot

    • 71
    • 102

    Hot

    • 70
    • 102

    Hot

    • 70
    • 103

    Hot

    • 72
    • 102

    Hot

    • 74
    • 102

    Hot

Today 31 Jul Lower Washington County

Sunny. Highs around 103.

Tonight 31 Jul Lower Washington County

Clear. Lows around 70.

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Sand Hollow Reservoir Temperature Statistics

July Temperature

St George Municipal Airport (8.1 miles)

  • Lowest 24 July, 2025

    68 °F

  • Average July

    88.7 °F

  • Highest 9 July, 2025

    108 °F

Climate (2020–Present)

St George Municipal Airport (8.1 miles)

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  • Average Low 2020–2025

    52.2 °F

  • Average 2020–2025

    64.3 °F

  • Average High 2020–2025

    76.6 °F
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