Columbia Weather Forecast

    • 71
    • 92

    Chance Rain Showers

    • 66
    • 86

    Slight Chance Thunderstorms

    • 60
    • 82

    Mostly Sunny

    • 60
    • 81

    Mostly Sunny

    • 61
    • 83

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

Today 18 Aug Marion

Mostly sunny. Highs in the lower 90s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Heat index Values up to 101.

Tonight 18 Aug Marion

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Showers and Thunderstorms. Humid with Lows in the lower 70s. Northwest Winds around 5 Mph. Chance of rain 20 percent.

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Columbia Temperature Statistics

August Temperature

Knoxville (8.7 miles)

  • Lowest 1 August, 2025

    59 °F

  • Average August

    74.2 °F

  • Highest 15 August, 2025

    91.4 °F

Climate (2020–Present)

Knoxville (8.7 miles)

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  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    62 °F
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