Peoria Weather Forecast

    • 25
    • 28

    Increasing Clouds

    • 22
    • 44

    Becoming Sunny

    • 26
    • 34

    Partly Sunny

    • 39
    • 43

    Mostly Cloudy

    • 37
    • 53

    Mostly Cloudy

    • 51
    • 56

    Mostly Cloudy

    • 42
    • 66

    Mostly Cloudy

Today 19 Dec Peoria

Sunny and much cooler. Near steady temperature in the lower 20s. Southwest Winds 5 to 10 Mph.

Tonight 19 Dec Peoria

Mostly cloudy. Not as cool with Lows in the lower 20s. Temperature rising into the lower 30s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

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Peoria Temperature Statistics

December Temperature

Peoria - General Downing-Peoria International Airport (5 miles)

  • Lowest 14 December, 2025

    -6 °F

  • Average December

    22.4 °F

  • Highest 10 December, 2025

    44.1 °F

Climate (2020–Present)

Peoria - General Downing-Peoria International Airport (5 miles)

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  • Average Low 2020–2025

    45.2 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    64.1 °F
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