Merna Weather Forecast

    • 42
    • 68

    Mostly Sunny

    • 30
    • 54

    Partly Sunny

    • 45
    • 65

    Mostly Sunny

    • 35
    • 61

    Partly Sunny

    • 37
    • 58

    Mostly Sunny

    • 38
    • 66

    Mostly Sunny

Today 17 Oct Custer

Sunny. Highs in the upper 60s. Northwest Winds 10 to 15 Mph.

Tonight 17 Oct Custer

Clear in the Evening, then becoming partly cloudy. Lows in the lower 40s. West Winds up to 10 Mph.

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Merna Temperature Statistics

October Temperature

Broken Bow, Broken Bow Municipal Airport (6.2 miles)

  • Lowest 7 October, 2025

    35.1 °F

  • Average October

    59.6 °F

  • Highest 4 October, 2025

    91.9 °F

Climate (2020–Present)

Broken Bow, Broken Bow Municipal Airport (6.2 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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