Rantoul Weather Forecast

    • 58
    • 84

    Mostly Cloudy

    • 55
    • 82

    Mostly Cloudy

    • 57
    • 78

    Mostly Cloudy

    • 56
    • 82

    Partly Sunny

    • 55
    • 81

    Mostly Sunny

    • 58
    • 82

    Mostly Sunny

    • 63
    • 85

    Partly Sunny

Today 29 May Champaign

Partly sunny. Near steady temperature in the lower 80s. Southeast Winds 5 to 10 Mph.

Tonight 29 May Champaign

Mostly cloudy. Lows in the upper 50s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rantoul Temperature Statistics

May Temperature

Rantoul National Aviation Center Airport (1.2 miles)

  • Lowest 7 May, 2026

    37.4 °F

  • Average May

    61 °F

  • Highest 27 May, 2026

    86.4 °F

Climate (2021–Present)

Rantoul National Aviation Center Airport (1.2 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    62.7 °F
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