Union Mills Weather Forecast

    • 60
    • 79

    Decreasing Clouds

    • 63
    • 82

    Mostly Sunny

    • 67
    • 86

    Mostly Sunny

    • 70
    • 89

    Mostly Sunny

    • 72
    • 91

    Mostly Sunny

    • 70
    • 91

    Chance Thunderstorms

Today 4 Aug Mahaska

Mostly sunny. Highs in the upper 70s. East Winds around 5 Mph.

Tonight 4 Aug Mahaska

Mostly clear. Lows in the lower 60s. East Winds around 5 Mph.

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  • Temperature Real-Time

Union Mills Temperature Statistics

August Temperature

Oskaloosa, Oskaloosa Municipal Airport (16.2 miles)

  • Lowest 1 August, 2025

    57.4 °F

  • Average August

    68.2 °F

  • Highest 1 August, 2025

    77.9 °F

Climate (2020–Present)

Oskaloosa, Oskaloosa Municipal Airport (16.2 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    53.7 °F

  • Average High 2020–2025

    64.5 °F
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