Filson Weather Forecast

    • 41
    • 74

    Sunny

    • 46
    • 77

    Mostly Sunny

    • 53
    • 82

    Mostly Sunny

    • 57
    • 89

    Mostly Sunny

    • 57
    • 89

    Mostly Sunny

    • 58
    • 88

    Mostly Sunny

Today 7 Sep Douglas

Sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 7 Sep Douglas

Clear. Lows in the lower 40s. North Winds around 5 Mph in the Evening, becoming light and variable.

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Filson Temperature Statistics

September Temperature

Mattoon / Charleston, Coles County Memorial Airport (14.9 miles)

  • Lowest 1 September, 2025

    48.9 °F

  • Average September

    65.7 °F

  • Highest 2 September, 2025

    84 °F

Climate (2020–Present)

Mattoon / Charleston, Coles County Memorial Airport (14.9 miles)

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  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    64.5 °F
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