Normal Weather Forecast

    • 46
    • 49

    Chance Drizzle

    • 41
    • 59

    Mostly Cloudy

    • 50
    • 57

    Chance Rain

    • 17
    • 57

    Rain Likely

    • 13
    • 22

    Mostly Sunny

    • 18
    • 29

    Mostly Cloudy

Today 25 Dec McLean

Cloudy with a slight chance of very light drizzle. Near steady temperature in the upper 40s. East Winds around 10 Mph.

Tonight 25 Dec McLean

Cloudy with a chance of drizzle. Patchy fog in the evening. Areas of fog after midnight. Lows in the mid 40s. Southeast Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Normal Temperature Statistics

December Temperature

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

  • Lowest 14 December, 2025

    -9 °F

  • Average December

    25.2 °F

  • Highest 23 December, 2025

    57 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    62.2 °F
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