Greater Peoria Regional Airport Weather Forecast

    • 27
    • 37

    Increasing Clouds

    • 38
    • 44

    Mostly Cloudy

    • 35
    • 51

    Partly Sunny

    • 50
    • 57

    Cloudy

    • 39
    • 62

    Mostly Cloudy

    • 32
    • 48

    Mostly Cloudy

Today 21 Dec Peoria

Sunny. Highs in the mid 30s. South Winds around 5 Mph.

Tonight 21 Dec Peoria

Partly cloudy in the Evening, then becoming mostly cloudy. Near steady temperature in the upper 20s. South Winds 5 to 10 Mph.

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Greater Peoria Regional Airport Temperature Statistics

December Temperature

Peoria - General Downing-Peoria International Airport (0 miles)

  • Lowest 14 December, 2025

    -6 °F

  • Average December

    23.1 °F

  • Highest 18 December, 2025

    53.1 °F

Climate (2020–Present)

Peoria - General Downing-Peoria International Airport (0 miles)

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  • Average Low 2020–2025

    45.2 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    64.1 °F
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