Glen Ullin Regional Airport Weather Forecast

    • 53
    • 80

    Mostly Sunny

    • 53
    • 84

    Mostly Sunny

    • 56
    • 82

    Partly Sunny

    • 56
    • 78

    Mostly Cloudy

    • 54
    • 77

    Chance Rain Showers

    • 54
    • 77

    Partly Sunny

Today 26 Aug Morton

Sunny. Highs in the upper 70s. South Winds around 5 Mph.

Tonight 26 Aug Morton

Clear. Lows in the upper 40s. South Winds around 5 Mph.

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Glen Ullin Regional Airport Temperature Statistics

August Temperature

Glen Ullin Regional Airport (0 miles)

  • Lowest 23 August, 2025

    42.8 °F

  • Average August

    69.1 °F

  • Highest 20 August, 2025

    95 °F

Climate (2020–Present)

Glen Ullin Regional Airport (0 miles)

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  • Average Low 2020–2025

    29.7 °F

  • Average 2020–2025

    43 °F

  • Average High 2020–2025

    55.3 °F
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