Roundup Weather Forecast

    • 23
    • 52

    Mostly Sunny

    • 27
    • 49

    Partly Sunny

    • 32
    • 46

    Mostly Cloudy

    • 16
    • 50

    Chance Snow

    • 0
    • 26

    Snow Likely

    • -3
    • 9

    Snow Likely

Today 29 Jan Musselshell

Sunny. Highs in the lower 50s. Southwest Winds 10 to 20 Mph.

Tonight 29 Jan Musselshell

Mostly clear. Lows in the mid 20s. Southwest Winds 5 to 15 Mph.

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Roundup Temperature Statistics

January Temperature

N BAR Ranch Airport (32.9 miles)

  • Lowest 19 January, 2025

    -9.4 °F

  • Average January

    21.4 °F

  • Highest 16 January, 2025

    55.4 °F

Climate (2020–Present)

N BAR Ranch Airport (32.9 miles)

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  • Average Low 2020–2025

    31.1 °F

  • Average 2020–2025

    43.5 °F

  • Average High 2020–2025

    54.9 °F
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