Oilfield Weather Forecast

    • 73
    • 90

    Slight Chance Thunderstorms

    • 73
    • 91

    Mostly Sunny

    • 70
    • 91

    Chance Thunderstorms

    • 65
    • 83

    Slight Chance Thunderstorms

    • 63
    • 82

    Mostly Sunny

    • 64
    • 85

    Mostly Sunny

Today 17 Aug Clark

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the lower 90s. West Winds around 5 Mph, becoming north around 5 Mph in the afternoon. Chance of rain 20 percent. Heat index Values up to 101.

Tonight 17 Aug Clark

Partly cloudy. Lows in the lower 70s. Southwest Winds around 5 Mph.

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Oilfield Temperature Statistics

August Temperature

Mattoon / Charleston, Coles County Memorial Airport (16.2 miles)

  • Lowest 3 August, 2025

    53.7 °F

  • Average August

    75.4 °F

  • Highest 11 August, 2025

    89.7 °F

Climate (2020–Present)

Mattoon / Charleston, Coles County Memorial Airport (16.2 miles)

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  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    64.5 °F
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