Ottumwa Junction Weather Forecast

    • 53
    • 78

    Chance Thunderstorms

    • 56
    • 82

    Sunny

    • 61
    • 87

    Mostly Sunny

    • 64
    • 87

    Partly Sunny

    • 63
    • 82

    Chance Thunderstorms

    • 61
    • 83

    Chance Thunderstorms

Today 23 May Wapello

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the upper 70s. Southwest Winds around 5 Mph, becoming west in the afternoon. Chance of rain 30 percent.

Tonight 23 May Wapello

Partly cloudy. Near steady temperature in the upper 50s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ottumwa Junction Temperature Statistics

May Temperature

Ottumwa Regional Airport (3.1 miles)

  • Lowest 1 May, 2026

    34.6 °F

  • Average May

    60 °F

  • Highest 15 May, 2026

    87.7 °F

Climate (2021–Present)

Ottumwa Regional Airport (3.1 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    63.4 °F
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