Alta Weather Forecast

    • 20
    • 44

    Becoming Sunny

    • 26
    • 35

    Partly Sunny

    • 37
    • 44

    Mostly Cloudy

    • 33
    • 51

    Mostly Cloudy

    • 48
    • 55

    Chance Rain

    • 40
    • 62

    Mostly Cloudy

    • 35
    • 52

    Mostly Cloudy

Today 20 Dec Peoria

Partly sunny. Not as cool with Highs in the mid 40s. Temperature falling into the upper 30s late. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 20 Dec Peoria

Mostly clear. Lows around 20. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Real-Time

Alta Temperature Statistics

December Temperature

Peoria - General Downing-Peoria International Airport (9.9 miles)

  • Lowest 14 December, 2025

    -6 °F

  • Average December

    23.2 °F

  • Highest 18 December, 2025

    53.1 °F

Climate (2020–Present)

Peoria - General Downing-Peoria International Airport (9.9 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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