Piatt County Airport Weather Forecast

    • 60
    • 81

    Mostly Sunny

    • 71
    • 90

    Mostly Sunny

    • 66
    • 92

    Chance Thunderstorms

    • 57
    • 82

    Mostly Sunny

    • 62
    • 84

    Mostly Sunny

    • 64
    • 88

    Mostly Sunny

Today 7 Sep Piatt

Sunny. Highs in the lower 80s. East Winds 5 to 10 Mph.

Tonight 7 Sep Piatt

Mostly clear in the Evening, then becoming partly cloudy. Lows around 60. East Winds 5 to 10 Mph.

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Piatt County Airport Temperature Statistics

September Temperature

University of Illinois - Willard (14.9 miles)

  • Lowest 1 September, 2026

    70.6 °F

  • Average September

    83 °F

  • Highest 4 September, 2026

    95 °F

Climate (2021–2026)

University of Illinois - Willard (14.9 miles)

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  • Average Low 2021–2026

    44.3 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    65.2 °F
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