Casey Municipal Airport Weather Forecast

    • 69
    • 83

    Slight Chance Thunderstorms

    • 71
    • 87

    Partly Sunny

    • 74
    • 91

    Mostly Sunny

    • 73
    • 91

    Slight Chance Thunderstorms

    • 73
    • 88

    Chance Thunderstorms

    • 73
    • 88

    Chance Thunderstorms

    • 73
    • 89

    Slight Chance Thunderstorms

Today 21 Jul Clark

Mostly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. East Winds around 5 Mph. Chance of rain 20 percent.

Tonight 21 Jul Clark

Mostly cloudy with a slight chance of Showers and Thunderstorms this Evening, then partly cloudy after midnight. Lows in the upper 60s. East Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Casey Municipal Airport Temperature Statistics

July Temperature

Mattoon / Charleston, Coles County Memorial Airport (18.6 miles)

  • Lowest 8 July, 2025

    64.7 °F

  • Average July

    77.8 °F

  • Highest 6 July, 2025

    90.6 °F

Climate (2020–Present)

Mattoon / Charleston, Coles County Memorial Airport (18.6 miles)

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    55 °F

  • Average High 2020–2025

    64.4 °F
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