Tri-County Airport Weather Forecast

    • 24
    • 32

    Mostly Sunny

    • 11
    • 42

    Breezy

    • 12
    • 24

    Mostly Sunny

    • 24
    • 33

    Partly Sunny

    • 30
    • 47

    Partly Sunny

    • 39
    • 50

    Slight Chance Rain

Today 3 Dec Knox

Mostly sunny. Highs in the lower 30s. Southwest Winds 5 to 10 Mph.

Tonight 3 Dec Knox

Mostly clear. Not as cool with Lows in the lower 20s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tri-County Airport Temperature Statistics

December Temperature

Peoria - General Downing-Peoria International Airport (21.1 miles)

  • Lowest 1 December, 2024

    17.1 °F

  • Average December

    21.9 °F

  • Highest 1 December, 2024

    28.9 °F

Climate (2019–Present)

Peoria - General Downing-Peoria International Airport (21.1 miles)

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  • Average Low 2019–2024

    45.1 °F

  • Average 2019–2024

    54.3 °F

  • Average High 2019–2024

    63.7 °F
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