Middleton Weather Forecast

    • 28
    • 52

    Becoming Sunny

    • 29
    • 56

    Mostly Sunny

    • 33
    • 56

    Partly Sunny

    • 37
    • 61

    Partly Sunny

    • 40
    • 65

    Mostly Sunny

    • 43
    • 69

    Partly Sunny

Today 29 Jan Lower Washington County

Partly sunny with a 20 percent chance of snow in the Morning, then partly cloudy in the afternoon. Highs around 50.

Tonight 29 Jan Lower Washington County

Mostly clear. Lows in the upper 20s.

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Middleton Temperature Statistics

January Temperature

St George Municipal Airport (5.6 miles)

  • Lowest 21 January, 2025

    17.1 °F

  • Average January

    38.9 °F

  • Highest 4 January, 2025

    59 °F

Climate (2020–Present)

St George Municipal Airport (5.6 miles)

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  • Average Low 2020–2025

    52 °F

  • Average 2020–2025

    64.1 °F

  • Average High 2020–2025

    76.4 °F
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