Peoria Weather Forecast

    • 41
    • 69

    Increasing Clouds

    • 42
    • 67

    Partly Sunny

    • 45
    • 68

    Mostly Sunny

    • 40
    • 65

    Mostly Sunny

    • 43
    • 66

    Mostly Sunny

    • 46
    • 68

    Partly Sunny

Today 20 Oct Union

Sunny. Highs in the upper 60s. Northeast Winds around 5 Mph.

Tonight 20 Oct Union

Clear in the Evening, then becoming partly cloudy. Lows in the lower 40s. Northeast Winds around 5 Mph.

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  • Temperature Real-Time

Peoria Temperature Statistics

October Temperature

Marysville Union County Airport (7.5 miles)

  • Lowest 17 October, 2026

    35.6 °F

  • Average October

    61.2 °F

  • Highest 1 October, 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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