Chillicothe Weather Forecast

    • 70
    • 91

    Chance Thunderstorms

    • 67
    • 87

    Thunderstorms Likely

    • 66
    • 86

    Chance Rain Showers

    • 66
    • 88

    Mostly Sunny

    • 68
    • 91

    Mostly Sunny

    • 69
    • 93

    Slight Chance Thunderstorms

Today 12 Aug Ross

Sunny, hot with Highs in the lower 90s. South Winds around 5 Mph.

Tonight 12 Aug Ross

Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Showers and Thunderstorms. Humid with Lows around 70. Southwest Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chillicothe Temperature Statistics

August Temperature

Chillicothe Ross County Airport (7.5 miles)

  • Lowest 3 August, 2025

    51.8 °F

  • Average August

    69.9 °F

  • Highest 9 August, 2025

    87.8 °F

Climate (2020–Present)

Chillicothe Ross County Airport (7.5 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    64.1 °F
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