Middleton Weather Forecast

    • 64
    • 91

    Sunny

    • 67
    • 95

    Sunny

    • 69
    • 97

    Hot

    • 68
    • 98

    Hot

    • 68
    • 98

    Hot

    • 68
    • 96

    Hot

Today 31 May Lower Washington County

Sunny. Highs in the lower 90s.

Tonight 31 May Lower Washington County

Mostly clear. Lows in the lower 60s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Middleton Temperature Statistics

May Temperature

St George Municipal Airport (5.6 miles)

  • Lowest 18 May, 2026

    48.9 °F

  • Average May

    75.4 °F

  • Highest 12 May, 2026

    100.9 °F

Climate (2021–Present)

St George Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    53 °F

  • Average 2021–2026

    64.8 °F

  • Average High 2021–2026

    76.9 °F
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