Ottumwa Junction Weather Forecast

    • 65
    • 81

    Increasing Clouds

    • 66
    • 82

    Rain Showers Likely

    • 62
    • 80

    Partly Sunny

    • 62
    • 80

    Partly Sunny

    • 64
    • 82

    Slight Chance Thunderstorms

    • 62
    • 81

    Partly Sunny

Today 17 Aug Wapello

Sunny. Highs in the lower 80s. Northwest Winds around 5 Mph.

Tonight 17 Aug Wapello

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows in the mid 60s. Southwest Winds around 5 Mph.

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Ottumwa Junction Temperature Statistics

August Temperature

Ottumwa Regional Airport (3.1 miles)

  • Lowest 3 August, 2026

    58.6 °F

  • Average August

    75.8 °F

  • Highest 11 August, 2026

    90.6 °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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