Roundup Airport Weather Forecast

    • 30
    • 47

    Mostly Cloudy

    • 30
    • 54

    Chance Rain Showers

    • 34
    • 54

    Chance Rain/Snow

    • 28
    • 54

    Chance Rain/Snow

Today 30 Oct Musselshell

Decreasing Clouds. Patchy fog in the morning. Highs in the upper 40s. Northeast Winds 5 to 10 Mph.

Tonight 30 Oct Musselshell

Mostly cloudy. Patchy fog in the late evening and overnight. Lows in the lower 30s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Roundup Airport Temperature Statistics

October Temperature

N BAR Ranch Airport (31.1 miles)

  • Lowest 25 October, 2026

    23 °F

  • Average October

    48.5 °F

  • Highest 5 October, 2026

    82.4 °F

Climate (2021–2026)

N BAR Ranch Airport (31.1 miles)

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  • Average Low 2021–2026

    31.9 °F

  • Average 2021–2026

    44 °F

  • Average High 2021–2026

    55.2 °F
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