Mason City Weather Forecast

    • 60
    • 78

    Partly Sunny

    • 49
    • 78

    Rain Showers Likely

    • 42
    • 71

    Mostly Sunny

    • 34
    • 62

    Breezy

    • 43
    • 66

    Mostly Sunny

    • 40
    • 69

    Mostly Sunny

    • 39
    • 63

    Mostly Sunny

Today 15 Oct Custer

A chance of Thunderstorms late in the morning. Mostly sunny with isolated Showers. Highs in the upper 70s. South Winds 10 to 20 Mph. Chance of precipitation 30 percent.

Tonight 15 Oct Custer

Breezy. Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 50s. South Winds 15 to 25 Mph.

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Mason City Temperature Statistics

October Temperature

Broken Bow, Broken Bow Municipal Airport (23 miles)

  • Lowest 7 October, 2025

    35.1 °F
  • Average October

    59.8 °F
  • Highest 4 October, 2025

    91.9 °F

Climate (2020–Present)

Broken Bow, Broken Bow Municipal Airport (23 miles)

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  • Average Low 2020–2025

    37.7 °F
  • Average 2020–2025

    50.7 °F
  • Average High 2020–2025

    64 °F
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