Roundup Weather Forecast

    • 38
    • 71

    Rain Showers

    • 36
    • 52

    Chance Rain Showers

    • 42
    • 69

    Rain Showers Likely

    • 39
    • 63

    Chance Rain Showers

    • 43
    • 72

    Mostly Sunny

    • 47
    • 79

    Mostly Sunny

Today 27 Apr Musselshell

Mostly cloudy. Slight chance of rain Showers late in the morning. Chance of rain Showers in the afternoon. Isolated Thunderstorms late in the afternoon. Highs in the lower 70s. North Winds 5 to 15 Mph. Chance of precipitation 50 percent.

Tonight 27 Apr Musselshell

Scattered Thunderstorms early in the evening. Rain Showers through the night. Slight chance of Thunderstorms in the late evening and overnight. Lows in the upper 30s. North Winds 10 to 20 Mph. Chance of precipitation 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Roundup Temperature Statistics

April Temperature

N BAR Ranch Airport (32.9 miles)

  • Lowest 4 April, 2025

    15.8 °F
  • Average April

    40.6 °F
  • Highest 7 April, 2025

    69.8 °F

Climate (2020–Present)

N BAR Ranch Airport (32.9 miles)

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  • Average Low 2020–2025

    31.2 °F
  • Average 2020–2025

    43.6 °F
  • Average High 2020–2025

    55.1 °F
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