Cottonwood Airport Weather Forecast

    • 64
    • 80

    Mostly Cloudy

    • 62
    • 85

    Slight Chance Thunderstorms

    • 60
    • 82

    Mostly Sunny

    • 59
    • 82

    Mostly Sunny

    • 65
    • 83

    Partly Sunny

    • 70
    • 86

    Slight Chance Thunderstorms

    • 70
    • 87

    Partly Sunny

Today 25 Aug McLean

Mostly sunny. Near steady temperature in the upper 70s. South Winds around 5 Mph.

Tonight 25 Aug McLean

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Not as cool with Lows in the mid 60s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

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Cottonwood Airport Temperature Statistics

August Temperature

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (6.2 miles)

  • Lowest 21 August, 2026

    59 °F

  • Average August

    73.7 °F

  • Highest 9 August, 2026

    88 °F

Climate (2021–2026)

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (6.2 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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