Ottumwa Weather Forecast

    • 19
    • 38

    Mostly Cloudy

    • 8
    • 29

    Chance Snow

    • 14
    • 30

    Chance Snow

    • 25
    • 44

    Partly Sunny

    • 20
    • 51

    Slight Chance Rain/Snow

    • 15
    • 37

    Chance Rain/Snow

    • 9
    • 35

    Slight Chance Rain/Snow

Today 5 Dec Haakon

Mostly cloudy. Highs in the upper 30s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 5 Dec Haakon

Partly cloudy this Evening, then becoming mostly cloudy. Lows 15 to 20. South Winds around 5 Mph, increasing to southeast 10 to 15 Mph with Gusts up to 25 Mph after midnight.

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Ottumwa Temperature Statistics

December Temperature

Philip, Philip Airport (17.4 miles)

  • Lowest 1 December, 2025

    -2 °F

  • Average December

    23 °F

  • Highest 2 December, 2025

    37.9 °F

Climate (2020–Present)

Philip, Philip Airport (17.4 miles)

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  • Average Low 2020–2025

    35.7 °F

  • Average 2020–2025

    49.4 °F

  • Average High 2020–2025

    63.4 °F
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