Glen Ullin Weather Forecast

    • 18
    • 36

    Breezy

    • 22
    • 45

    Partly Sunny

    • 36
    • 55

    Mostly Sunny

    • 37
    • 74

    Mostly Sunny

    • 44
    • 72

    Mostly Sunny

    • 49
    • 75

    Mostly Cloudy

Today 17 Apr Morton

Partly sunny. Much Colder. Highs in the mid 30s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 17 Apr Morton

Partly cloudy. Lows in the lower 20s. Northwest Winds 10 to 20 Mph with Gusts up to 30 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Glen Ullin Temperature Statistics

April Temperature

Glen Ullin Regional Airport (1.2 miles)

  • Lowest 6 April, 2026

    21.2 °F

  • Average April

    37.4 °F

  • Highest 12 April, 2026

    73.4 °F

Climate (2021–Present)

Glen Ullin Regional Airport (1.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    30.1 °F

  • Average 2021–2026

    43.2 °F

  • Average High 2021–2026

    55.4 °F
Get WillyWeather+ to remove ads