Arthur Weather Forecast

    • 49
    • 77

    Rain Showers

    • 37
    • 61

    Rain Showers Likely

    • 45
    • 68

    Mostly Sunny

    • 36
    • 60

    Mostly Sunny

    • 39
    • 62

    Partly Sunny

    • 40
    • 66

    Slight Chance Rain Showers

Today 18 Oct Douglas

Partly sunny this Morning, then becoming cloudy. A chance of Thunderstorms. A chance of Showers this Morning, then Showers this afternoon. Highs in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 18 Oct Douglas

A chance of Thunderstorms in the evening. Showers, cooler with Lows in the upper 40s. Southwest Winds 10 to 15 Mph, becoming west with Gusts up to 30 Mph after midnight. Chance of rain near 100 percent.

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  • Temperature Real-Time

Arthur Temperature Statistics

October Temperature

Mattoon / Charleston, Coles County Memorial Airport (19.3 miles)

  • Lowest 9 October, 2025

    39.9 °F

  • Average October

    65.5 °F

  • Highest 3 October, 2025

    88 °F

Climate (2020–Present)

Mattoon / Charleston, Coles County Memorial Airport (19.3 miles)

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  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    64.6 °F
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