Ottumwa Junction Weather Forecast

    • 64
    • 85

    Mostly Sunny

    • 66
    • 89

    Rain Showers Likely

    • 61
    • 79

    Rain Showers

    • 61
    • 81

    Partly Sunny

    • 64
    • 84

    Partly Sunny

    • 69
    • 88

    Slight Chance Thunderstorms

Today 3 Aug Wapello

Patchy fog early this morning. Sunny. Highs in the mid 80s. South Winds 5 to 10 Mph.

Tonight 3 Aug Wapello

Mostly clear. Humid with Lows in the mid 60s. Southeast Winds 5 to 10 Mph.

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Ottumwa Junction Temperature Statistics

August Temperature

Ottumwa Regional Airport (3.1 miles)

  • Lowest 1 August, 2026

    64 °F

  • Average August

    69 °F

  • Highest 1 August, 2026

    77 °F

Climate (2021–2026)

Ottumwa Regional Airport (3.1 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    63.5 °F
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