St George Weather Forecast

    • 70
    • 100

    Hot

    • 70
    • 101

    Hot

    • 71
    • 103

    Hot

    • 76
    • 106

    Hot

    • 79
    • 107

    Hot

    • 78
    • 107

    Hot

Today 20 Jun Lower Washington County

Sunny. Highs around 100.

Tonight 20 Jun Lower Washington County

Clear. Lows in the upper 60s.

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St George Temperature Statistics

June Temperature

St George Municipal Airport (5 miles)

  • Lowest 1 June, 2026

    63 °F

  • Average June

    87 °F

  • Highest 16 June, 2026

    106 °F

Climate (2021–2026)

St George Municipal Airport (5 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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