Ottumwa Junction Weather Forecast

    • 28
    • 33

    Increasing Clouds

    • 20
    • 43

    Partly Sunny

    • 28
    • 37

    Partly Sunny

    • 37
    • 48

    Mostly Cloudy

    • 35
    • 51

    Mostly Cloudy

    • 45
    • 56

    Mostly Cloudy

    • 38
    • 64

    Partly Sunny

Today 19 Dec Wapello

Sunny. Highs in the mid 30s. West Winds 5 to 10 Mph, becoming south 10 to 15 Mph this afternoon.

Tonight 19 Dec Wapello

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 20s. Temperature rising into the mid 30s after midnight. South Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Ottumwa Junction Temperature Statistics

December Temperature

Ottumwa Regional Airport (3.1 miles)

  • Lowest 13 December, 2025

    -6 °F

  • Average December

    22.2 °F

  • Highest 9 December, 2025

    46 °F

Climate (2020–Present)

Ottumwa Regional Airport (3.1 miles)

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  • Average Low 2020–2025

    41.9 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    62.7 °F
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