Ottumwa Lake Weather Forecast

    • 60
    • 85

    Severe Tstms

    • 59
    • 80

    Thunderstorms Likely

    • 59
    • 81

    Chance Thunderstorms

    • 63
    • 90

    Mostly Sunny

    • 64
    • 97

    Hot

    • 59
    • 91

    Chance Thunderstorms

    • 54
    • 79

    Slight Chance Thunderstorms

Today 5 Jul Haakon

Sunny. Near steady temperature in the lower 80s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 5 Jul Haakon

Partly cloudy with a slight chance of Showers and Thunderstorms this Evening, then mostly cloudy with Showers and Thunderstorms likely after midnight. Some Thunderstorms may be severe with damaging Winds and large hail. Lows in the lower 60s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ottumwa Lake Temperature Statistics

July Temperature

Philip, Philip Airport (18 miles)

  • Lowest 1 July, 2025

    53.1 °F

  • Average July

    79.8 °F

  • Highest 3 July, 2025

    100.9 °F

Climate (2020–Present)

Philip, Philip Airport (18 miles)

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  • Average Low 2020–2025

    35.3 °F

  • Average 2020–2025

    49.1 °F

  • Average High 2020–2025

    63.2 °F
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