Roundup Airport Weather Forecast

    • 57
    • 83

    Slight Chance Thunderstorms

    • 57
    • 92

    Slight Chance Thunderstorms

    • 57
    • 87

    Chance Thunderstorms

    • 55
    • 83

    Chance Thunderstorms

    • 53
    • 79

    Chance Thunderstorms

    • 56
    • 82

    Chance Thunderstorms

Today 18 Jul Musselshell

Sunny. Highs in the lower 80s. Northeast Winds 5 to 10 Mph.

Tonight 18 Jul Musselshell

Partly cloudy. A 20 percent chance of Showers and Thunderstorms in the evening. Lows in the upper 50s. East Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Roundup Airport Temperature Statistics

July Temperature

N BAR Ranch Airport (31.1 miles)

  • Lowest 6 July, 2025

    42.8 °F

  • Average July

    66.8 °F

  • Highest 2 July, 2025

    89.6 °F

Climate (2020–Present)

N BAR Ranch Airport (31.1 miles)

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

  • Average Low 2020–2025

    31.3 °F

  • Average 2020–2025

    43.7 °F

  • Average High 2020–2025

    55.1 °F
Get WillyWeather+ to remove ads