Randolph Weather Forecast

    • 67
    • 83

    Chance Rain Showers

    • 66
    • 84

    Partly Sunny

    • 71
    • 86

    Chance Thunderstorms

    • 72
    • 87

    Chance Thunderstorms

    • 69
    • 85

    Rain Showers Likely

    • 66
    • 82

    Chance Thunderstorms

Today 7 Aug McLean

Mostly sunny. A slight chance of Showers and Thunderstorms in the morning. Patchy fog in the morning. Humid with Highs in the mid 80s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 7 Aug McLean

Mostly cloudy with a chance of Thunderstorms with a slight chance of Showers. Patchy fog. Near steady temperature in the upper 60s. South Winds around 5 Mph. Chance of rain 30 percent.

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Randolph Temperature Statistics

August Temperature

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (7.5 miles)

  • Lowest 3 August, 2026

    63 °F

  • Average August

    71.8 °F

  • Highest 4 August, 2026

    84.9 °F

Climate (2021–2026)

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (7.5 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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