Casey Municipal Airport Weather Forecast

    • 72
    • 91

    Mostly Sunny

    • 73
    • 91

    Chance Thunderstorms

    • 72
    • 88

    Rain Showers

    • 72
    • 90

    Slight Chance Thunderstorms

    • 71
    • 89

    Slight Chance Thunderstorms

    • 71
    • 89

    Slight Chance Thunderstorms

Today 15 Jul Clark

Sunny with Highs in the lower 90s. East Winds around 5 Mph.

Tonight 15 Jul Clark

Mostly clear. Lows in the lower 70s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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Casey Municipal Airport Temperature Statistics

July Temperature

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

  • Lowest 8 July, 2026

    65.6 °F

  • Average July

    78.6 °F

  • Highest 2 July, 2026

    92.6 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    65 °F
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