Greater Peoria Regional Airport Weather Forecast

    • 75
    • 88

    Thunderstorms Likely

    • 64
    • 89

    Mostly Sunny

    • 58
    • 79

    Mostly Sunny

    • 60
    • 81

    Partly Sunny

    • 62
    • 81

    Slight Chance Rain Showers

    • 66
    • 86

    Mostly Sunny

Today 20 Jul Peoria

Mostly sunny. Patchy smoke. A slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 20 Jul Peoria

Partly cloudy. Showers and Thunderstorms likely after midnight. Not as cool. Humid with Lows in the mid 70s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 60 percent.

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Greater Peoria Regional Airport Temperature Statistics

July Temperature

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

  • Lowest 8 July, 2026

    65.6 °F

  • Average July

    79.6 °F

  • Highest 2 July, 2026

    92.6 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    64.7 °F
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