Merna Weather Forecast

    • 56
    • 64

    Chance Rain Showers

    • 54
    • 69

    Slight Chance Rain Showers

    • 53
    • 76

    Partly Sunny

    • 42
    • 63

    Partly Sunny

    • 46
    • 65

    Mostly Sunny

    • 48
    • 72

    Mostly Sunny

Today 31 Aug Custer

Patchy fog in the morning. Cloudy with a chance of Showers. A slight chance of Thunderstorms in the afternoon. Highs in the upper 60s. Northeast Winds 10 to 15 Mph. Chance of precipitation 50 percent.

Tonight 31 Aug Custer

A slight chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Lows in the upper 50s. North Winds around 10 Mph. Chance of precipitation 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Merna Temperature Statistics

August Temperature

Broken Bow, Broken Bow Municipal Airport (6.2 miles)

  • Lowest 24 August, 2025

    52 °F

  • Average August

    73.4 °F

  • Highest 16 August, 2025

    94.6 °F

Climate (2020–Present)

Broken Bow, Broken Bow Municipal Airport (6.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    37.6 °F

  • Average 2020–2025

    50.7 °F

  • Average High 2020–2025

    64.1 °F
Get WillyWeather+ to remove ads