Williamson Airport Weather Forecast

    • 52
    • 81

    Rain Showers

    • 53
    • 71

    Mostly Cloudy

    • 53
    • 69

    Chance Rain Showers

    • 52
    • 68

    Chance Rain Showers

    • 57
    • 68

    Chance Rain Showers

    • 56
    • 73

    Rain Showers Likely

    • 49
    • 70

    Rain Showers Likely

Today 29 Oct Cumberland

Partly sunny. A chance of Showers in the morning. Highs in the mid 60s. Chance of rain 40 percent.

Tonight 29 Oct Cumberland

Mostly cloudy with isolated Showers this Evening, then partly cloudy after midnight. Lows in the lower 50s. Northwest Winds around 5 Mph, becoming northeast after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Williamson Airport Temperature Statistics

October Temperature

Mattoon / Charleston, Coles County Memorial Airport (13 miles)

  • Lowest 18 October, 2026

    36.6 °F

  • Average October

    63.5 °F

  • Highest 13 October, 2026

    90.6 °F

Climate (2021–2026)

Mattoon / Charleston, Coles County Memorial Airport (13 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65.2 °F
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