Williamson Airport Weather Forecast

    • 60
    • 91

    Mostly Sunny

    • 60
    • 91

    Mostly Sunny

    • 63
    • 92

    Partly Sunny

    • 62
    • 86

    Chance Rain Showers

    • 61
    • 85

    Chance Rain Showers

    • 61
    • 82

    Chance Rain Showers

Today 16 Sep Shelby

Sunny. Highs in the lower 90s. Northeast Winds around 5 Mph.

Tonight 16 Sep Shelby

Clear. Lows in the lower 60s. Northeast Winds around 5 Mph.

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Williamson Airport Temperature Statistics

September Temperature

Taylorville, Taylorville Municipal Airport (24.9 miles)

  • Lowest 7 September, 2025

    42.8 °F

  • Average September

    65.9 °F

  • Highest 13 September, 2025

    96.8 °F

Climate (2020–Present)

Taylorville, Taylorville Municipal Airport (24.9 miles)

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  • Average Low 2020–2025

    44.9 °F

  • Average 2020–2025

    54.4 °F

  • Average High 2020–2025

    63.9 °F
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