Champaign Weather Forecast

    • 59
    • 91

    Mostly Sunny

    • 61
    • 90

    Mostly Sunny

    • 63
    • 92

    Partly Sunny

    • 63
    • 91

    Chance Rain Showers

    • 63
    • 84

    Chance Thunderstorms

    • 64
    • 83

    Chance Thunderstorms

Today 16 Sep Champaign

Sunny. Highs around 90. Northeast Winds 5 to 10 Mph.

Tonight 16 Sep Champaign

Mostly clear. Lows in the upper 50s. Northeast Winds 5 to 10 Mph.

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Champaign Temperature Statistics

September Temperature

University of Illinois - Willard (5.6 miles)

  • Lowest 7 September, 2025

    41 °F

  • Average September

    66.8 °F

  • Highest 13 September, 2025

    93.9 °F

Climate (2020–Present)

University of Illinois - Willard (5.6 miles)

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  • Average Low 2020–2025

    44.2 °F

  • Average 2020–2025

    54.4 °F

  • Average High 2020–2025

    64.7 °F
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