Mattoon Weather Forecast

    • 67
    • 80

    Mostly Cloudy

    • 67
    • 83

    Slight Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

    • 67
    • 83

    Rain Showers Likely

    • 65
    • 82

    Slight Chance Thunderstorms

    • 70
    • 87

    Mostly Sunny

Today 15 Jun Coles

Mostly cloudy. Highs around 80. Northeast Winds around 5 Mph.

Tonight 15 Jun Coles

Mostly cloudy. Lows in the upper 60s. Northeast Winds around 5 Mph.

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  • Temperature Real-Time

Mattoon Temperature Statistics

June Temperature

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

  • Lowest 2 June, 2025

    50.6 °F

  • Average June

    70 °F

  • Highest 3 June, 2025

    85.6 °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 °F

  • Average High 2020–2025

    64.4 °F
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