Garneill Weather Forecast

    • 43
    • 65

    Mostly Sunny

    • 45
    • 71

    Increasing Clouds

    • 24
    • 54

    Rain

    • 23
    • 41

    Mostly Sunny

    • 23
    • 42

    Partly Sunny

    • 26
    • 45

    Mostly Cloudy

    • 25
    • 49

    Chance Rain/Snow

Today 21 Oct Judith Basin County and Judith Gap

Mostly sunny. A 20 percent chance of snow in the morning. Highs in the mid 40s.

Tonight 21 Oct Judith Basin County and Judith Gap

Mostly clear. Lows in the mid 40s. South Winds 5 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Garneill Temperature Statistics

October Temperature

Lewistown, Lewistown Municipal Airport (24.2 miles)

  • Lowest 13 October, 2026

    19.7 °F

  • Average October

    48.1 °F

  • Highest 5 October, 2026

    84.7 °F

Climate (2021–2026)

Lewistown, Lewistown Municipal Airport (24.2 miles)

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

  • Average Low 2021–2026

    32.6 °F

  • Average 2021–2026

    44.9 °F

  • Average High 2021–2026

    57 °F
Get WillyWeather+ to remove ads