Millersburg Weather Forecast

    • 63
    • 85

    Rain Showers

    • 58
    • 76

    Rain Showers

    • 59
    • 81

    Mostly Sunny

    • 65
    • 84

    Mostly Sunny

    • 70
    • 88

    Mostly Sunny

    • 69
    • 89

    Slight Chance Thunderstorms

Today 4 Aug Iowa

Partly sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. Southwest Winds 5 to 10 Mph, becoming northwest this afternoon. Chance of rain 50 percent.

Tonight 4 Aug Iowa

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then Showers with Thunderstorms likely after midnight. Humid with Lows in the lower 60s. North Winds 5 to 10 Mph. Chance of rain 90 percent.

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Millersburg Temperature Statistics

August Temperature

Oskaloosa, Oskaloosa Municipal Airport (29.2 miles)

  • Lowest 2 August, 2026

    63.9 °F

  • Average August

    72.6 °F

  • Highest 2 August, 2026

    84.6 °F

Climate (2021–2026)

Oskaloosa, Oskaloosa Municipal Airport (29.2 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    65.3 °F
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