Mattoon Weather Forecast

    • 49
    • 56

    Chance Drizzle

    • 49
    • 56

    Chance Rain

    • 43
    • 66

    Slight Chance Rain

    • 43
    • 64

    Mostly Cloudy

    • 14
    • 51

    Chance Rain

    • 12
    • 23

    Mostly Sunny

Today 24 Dec Coles

Mostly cloudy. Areas of fog this morning. A chance of drizzle this afternoon. Highs in the mid 50s. Southeast Winds 5 to 10 Mph.

Tonight 24 Dec Coles

Cloudy. A chance of Drizzle, mainly in the evening. Patchy dense fog. Not as cool with Lows in the upper 40s. South Winds 5 to 10 Mph, becoming west after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mattoon Temperature Statistics

December Temperature

Mattoon / Charleston, Coles County Memorial Airport (5 miles)

  • Lowest 14 December, 2025

    -7.1 °F

  • Average December

    26.4 °F

  • Highest 18 December, 2025

    52 °F

Climate (2020–Present)

Mattoon / Charleston, Coles County Memorial Airport (5 miles)

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    64.5 °F
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