P.J. Killian Airport Weather Forecast

    • 68
    • 83

    Thunderstorms Likely

    • 71
    • 86

    Chance Thunderstorms

    • 73
    • 88

    Chance Thunderstorms

    • 68
    • 88

    Slight Chance Thunderstorms

    • 62
    • 81

    Slight Chance Thunderstorms

    • 65
    • 81

    Slight Chance Thunderstorms

Today 13 Aug McLean

Partly sunny in the Morning, then becoming mostly cloudy. A chance of Showers and Thunderstorms. Humid with Highs in the lower 80s. East Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 13 Aug McLean

Showers and Thunderstorms likely. Humid with Lows in the upper 60s. East Winds 5 to 10 Mph. Chance of rain 70 percent.

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P.J. Killian Airport Temperature Statistics

August Temperature

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (9.3 miles)

  • Lowest 3 August, 2026

    63 °F

  • Average August

    74.4 °F

  • Highest 9 August, 2026

    88 °F

Climate (2021–2026)

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (9.3 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    62.7 °F
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