Treasure Valley Park Weather Forecast

    • 74
    • 105

    Hot

    • 73
    • 104

    Slight Chance Thunderstorms

    • 71
    • 103

    Hot

    • 72
    • 105

    Hot

    • 74
    • 108

    Hot

    • 76
    • 107

    Hot

    • 72
    • 104

    Hot

Today 12 Jun Lower Washington County

Sunny. Highs around 105.

Tonight 12 Jun Lower Washington County

Partly cloudy. Lows in the mid 70s.

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Treasure Valley Park Temperature Statistics

June Temperature

St George Municipal Airport (1.9 miles)

  • Lowest 1 June, 2026

    63 °F

  • Average June

    85.1 °F

  • Highest 5 June, 2026

    100.9 °F

Climate (2021–Present)

St George Municipal Airport (1.9 miles)

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  • Average Low 2021–2026

    52.9 °F

  • Average 2021–2026

    64.8 °F

  • Average High 2021–2026

    76.8 °F
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