Coles County Memorial Airport Weather Forecast

    • 55
    • 79

    Rain Showers Likely

    • 44
    • 68

    Mostly Sunny

    • 52
    • 69

    Chance Thunderstorms

    • 62
    • 77

    Chance Thunderstorms

    • 64
    • 85

    Chance Thunderstorms

    • 69
    • 84

    Chance Thunderstorms

    • 67
    • 87

    Rain Showers Likely

Today 12 May Coles

Sunny. Patchy blowing dust. Near steady temperature in the upper 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 12 May Coles

Mostly cloudy late this Evening, then becoming partly cloudy. A chance of Showers with a slight chance of Thunderstorms. Not as cool with Lows in the mid 50s. Southwest Winds 10 to 15 Mph, becoming west. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Coles County Memorial Airport Temperature Statistics

May Temperature

Mattoon / Charleston, Coles County Memorial Airport (0 miles)

  • Lowest 7 May, 2026

    38.6 °F

  • Average May

    55.6 °F

  • Highest 4 May, 2026

    74.6 °F

Climate (2021–Present)

Mattoon / Charleston, Coles County Memorial Airport (0 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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