Peoria Weather Forecast

    • 54
    • 74

    Partly Sunny

    • 57
    • 78

    Increasing Clouds

    • 63
    • 81

    Chance Rain Showers

    • 62
    • 82

    Chance Thunderstorms

    • 59
    • 81

    Mostly Sunny

    • 62
    • 81

    Partly Sunny

    • 66
    • 84

    Slight Chance Rain Showers

Today 24 Aug Union

Mostly sunny until late Afternoon, then becoming partly cloudy. Highs in the mid 70s. West Winds 5 to 10 Mph.

Tonight 24 Aug Union

Partly Cloudy, then becoming mostly clear after midnight. Lows in the mid 50s. West Winds 5 to 10 Mph.

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Peoria Temperature Statistics

August Temperature

Marysville Union County Airport (7.5 miles)

  • Lowest 4 August, 2026

    50 °F

  • Average August

    72.8 °F

  • Highest 6 August, 2026

    87.8 °F

Climate (2021–2026)

Marysville Union County Airport (7.5 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    62.5 °F
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