Ottumwa Junction Weather Forecast

    • 35
    • 54

    Mostly Sunny

    • 33
    • 59

    Mostly Sunny

    • 53
    • 65

    Mostly Sunny

    • 53
    • 78

    Mostly Sunny

    • 59
    • 81

    Partly Sunny

    • 59
    • 79

    Rain Showers Likely

Today 18 Apr Wapello

Mostly sunny. Much cooler with Highs in the lower 50s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 18 Apr Wapello

Mostly clear. Lows in the mid 30s. West Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to 5 to 10 Mph after midnight.

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Ottumwa Junction Temperature Statistics

April Temperature

Ottumwa Regional Airport (3.1 miles)

  • Lowest 5 April, 2026

    33.7 °F

  • Average April

    54.6 °F

  • Highest 14 April, 2026

    86.6 °F

Climate (2021–Present)

Ottumwa Regional Airport (3.1 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    63.3 °F
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