Stanford Weather Forecast

    • 21
    • 45

    Becoming Sunny

    • 24
    • 35

    Mostly Sunny

    • 37
    • 44

    Mostly Cloudy

    • 35
    • 52

    Mostly Cloudy

    • 52
    • 58

    Mostly Cloudy

    • 43
    • 65

    Partly Sunny

Today 20 Dec McLean

Partly sunny. Not as cool with Highs in the mid 40s. Temperature falling into the upper 30s this afternoon. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph, becoming west 10 to 15 Mph with Gusts up to 25 Mph this afternoon.

Tonight 20 Dec McLean

Partly cloudy in the Evening, then clearing. Lows in the lower 20s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Stanford Temperature Statistics

December Temperature

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (16.2 miles)

  • Lowest 14 December, 2025

    -9 °F

  • Average December

    23 °F

  • Highest 18 December, 2025

    53.1 °F

Climate (2020–Present)

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (16.2 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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