Bloomington Weather Forecast

    • 33
    • 38

    Breezy

    • 20
    • 37

    Chance Snow

    • 16
    • 29

    Chance Snow

    • 5
    • 25

    Slight Chance Snow

    • 2
    • 13

    Mostly Cloudy

    • 8
    • 18

    Mostly Cloudy

Today 9 Dec McLean

Partly sunny in the Morning, then becoming mostly cloudy. Not as cool with Highs in the upper 30s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 9 Dec McLean

Mostly cloudy. Rain Likely, mainly in the evening. Windy and not as cool. Near steady temperature in the mid 30s. Southwest Winds 20 to 30 Mph with Gusts up to 45 Mph. Chance of rain 70 percent.

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Bloomington Temperature Statistics

December Temperature

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (3.7 miles)

  • Lowest 4 December, 2025

    1 °F

  • Average December

    21.5 °F

  • Highest 6 December, 2025

    36 °F

Climate (2020–Present)

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (3.7 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    62.2 °F
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