Arnold Weather Forecast

    • 56
    • 76

    Partly Sunny

    • 52
    • 73

    Chance Rain Showers

    • 51
    • 69

    Slight Chance Rain Showers

    • 53
    • 73

    Partly Sunny

    • 56
    • 70

    Slight Chance Rain Showers

    • 55
    • 72

    Slight Chance Thunderstorms

Today 23 Aug Custer

Mostly sunny. Highs in the upper 70s. North Winds 10 to 15 Mph.

Tonight 23 Aug Custer

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers and Thunderstorms after midnight. Lows in the mid 50s. Light and variable Winds. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arnold Temperature Statistics

August Temperature

Broken Bow, Broken Bow Municipal Airport (28 miles)

  • Lowest 12 August, 2025

    55.7 °F

  • Average August

    74.3 °F

  • Highest 16 August, 2025

    94.6 °F

Climate (2020–Present)

Broken Bow, Broken Bow Municipal Airport (28 miles)

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  • Average Low 2020–2025

    37.6 °F

  • Average 2020–2025

    50.7 °F

  • Average High 2020–2025

    64.1 °F
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