Chillicothe Weather Forecast

    • 59
    • 69

    Mostly Cloudy

    • 58
    • 79

    Partly Sunny

    • 62
    • 82

    Partly Sunny

    • 56
    • 83

    Rain Showers Likely

    • 45
    • 73

    Chance Rain Showers

    • 43
    • 65

    Sunny

Today 14 Oct Wapello

Mostly cloudy. Highs in the upper 60s. Northeast Winds 5 to 10 Mph.

Tonight 14 Oct Wapello

Mostly cloudy. A slight chance of Showers after midnight. Lows in the upper 50s. East Winds around 5 Mph. Chance of rain 20 percent.

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Chillicothe Temperature Statistics

October Temperature

Ottumwa Regional Airport (4.3 miles)

  • Lowest 9 October, 2025

    42.1 °F

  • Average October

    64.8 °F

  • Highest 2 October, 2025

    88 °F

Climate (2020–Present)

Ottumwa Regional Airport (4.3 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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