Filson Weather Forecast

    • 64
    • 83

    Increasing Clouds

    • 59
    • 82

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

    • 58
    • 78

    Partly Sunny

    • 63
    • 82

    Partly Sunny

    • 63
    • 84

    Slight Chance Thunderstorms

Today 21 Aug Douglas

Patchy fog in the morning. Sunny. Highs in the lower 80s. Light and variable Winds, becoming northwest around 5 Mph in the afternoon.

Tonight 21 Aug Douglas

Mostly clear. Patchy fog. Near steady temperature in the lower 60s. Northeast Winds around 5 Mph.

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Filson Temperature Statistics

August Temperature

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

  • Lowest 3 August, 2026

    61.6 °F

  • Average August

    77.2 °F

  • Highest 10 August, 2026

    91.7 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    65 °F
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