Arthur Weather Forecast

    • -7
    • 20

    Becoming Sunny

    • -2
    • 18

    Partly Sunny

    • -5
    • 14

    Mostly Cloudy

    • -2
    • 11

    Partly Sunny

    • 1
    • 16

    Partly Sunny

    • 9
    • 20

    Mostly Cloudy

    • 10
    • 26

    Mostly Cloudy

Today 27 Jan Douglas

Mostly sunny. Not as cool with Highs around 20. Temperature falling to around 15 late. Northwest Winds 15 to 20 Mph. Wind chill Values as low as zero.

Tonight 27 Jan Douglas

Mostly clear. Cold with Lows around 8 below. West Winds 5 to 10 Mph. Wind chill Values as low as 21 below.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arthur Temperature Statistics

January Temperature

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

  • Lowest 23 January, 2026

    -2 °F

  • Average January

    29.6 °F

  • Highest 8 January, 2026

    64.7 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.7 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    64.6 °F
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