Normal Weather Forecast

    • 61
    • 77

    Chance Rain Showers

    • 57
    • 80

    Chance Rain Showers

    • 61
    • 83

    Partly Sunny

    • 65
    • 84

    Rain Showers Likely

    • 64
    • 82

    Rain Showers Likely

    • 60
    • 83

    Chance Rain Showers

Today 23 May McLean

Partly sunny. Highs in the upper 70s. Northwest Winds 5 to 10 Mph.

Tonight 23 May McLean

Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows around 60. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Normal Temperature Statistics

May Temperature

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (4.3 miles)

  • Lowest 2 May, 2026

    37.9 °F

  • Average May

    59.1 °F

  • Highest 17 May, 2026

    82.9 °F

Climate (2021–Present)

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (4.3 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    62.6 °F
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