Merna Weather Forecast

    • 65
    • 90

    Slight Chance Thunderstorms

    • 65
    • 92

    Partly Sunny

    • 64
    • 91

    Chance Thunderstorms

    • 63
    • 87

    Chance Thunderstorms

    • 60
    • 79

    Rain Showers Likely

    • 59
    • 73

    Rain Showers Likely

Today 8 Aug Custer

Mostly sunny. A slight chance of Showers and Thunderstorms in the morning. Highs in the lower 90s. Southeast Winds 10 to 20 Mph. Chance of precipitation 20 percent.

Tonight 8 Aug Custer

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 60s. Southeast Winds 10 to 15 Mph, becoming south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merna Temperature Statistics

August Temperature

Broken Bow, Broken Bow Municipal Airport (6.2 miles)

  • Lowest 4 August, 2026

    53.7 °F

  • Average August

    69.1 °F

  • Highest 3 August, 2026

    90.6 °F

Climate (2021–2026)

Broken Bow, Broken Bow Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    37.8 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    65 °F
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