Roundup Weather Forecast

    • 28
    • 50

    Increasing Clouds

    • 31
    • 45

    Mostly Cloudy

    • 15
    • 49

    Chance Snow

    • -2
    • 25

    Snow Likely

    • -3
    • 8

    Snow Likely

    • -5
    • 10

    Chance Snow

Today 30 Jan Musselshell

Sunny. Highs in the lower 50s. Southwest Winds 5 to 15 Mph.

Tonight 30 Jan Musselshell

Mostly cloudy. Lows around 30. Southwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

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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