Seymour Weather Forecast

    • 36
    • 54

    Chance Rain Showers

    • 34
    • 58

    Sunny

    • 38
    • 66

    Mostly Sunny

    • 43
    • 71

    Partly Sunny

    • 46
    • 75

    Mostly Sunny

    • 48
    • 77

    Mostly Sunny

Today 16 Oct Champaign

Mostly cloudy. A chance of Showers this afternoon. Much cooler with Highs in the mid 50s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 50 percent.

Tonight 16 Oct Champaign

Mostly cloudy with a slight chance of Showers in the Evening, then mostly clear after midnight. Cooler with Lows in the mid 30s. North Winds 15 to 20 Mph. Chance of rain 20 percent.

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Seymour Temperature Statistics

October Temperature

University of Illinois - Willard (9.3 miles)

  • Lowest 6 October, 2026

    44.7 °F

  • Average October

    66.7 °F

  • Highest 13 October, 2026

    91 °F

Climate (2021–2026)

University of Illinois - Willard (9.3 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    65.2 °F
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