Pekin Weather Forecast

    • 68
    • 94

    Chance Thunderstorms

    • 67
    • 90

    Slight Chance Thunderstorms

    • 64
    • 88

    Chance Rain Showers

    • 62
    • 88

    Chance Thunderstorms

    • 59
    • 82

    Chance Thunderstorms

    • 56
    • 77

    Chance Rain Showers

Today 14 Sep Jefferson

Mostly cloudy after Midnight, then becoming mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Hot with Highs in the mid 90s. Southwest Winds around 5 Mph after Midnight, becoming light and Variable, then becoming southeast around 5 Mph this afternoon. Chance of rain 20 percent.

Tonight 14 Sep Jefferson

Mostly cloudy with a slight chance of Showers and Thunderstorms. Humid with Lows in the upper 60s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

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Pekin Temperature Statistics

September Temperature

Fairfield Municipal Airport (11.8 miles)

  • Lowest 7 September, 2025

    39.2 °F

  • Average September

    62.5 °F

  • Highest 11 September, 2025

    86 °F

Climate (2020–Present)

Fairfield Municipal Airport (11.8 miles)

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  • Average Low 2020–2025

    41.4 °F

  • Average 2020–2025

    51.5 °F

  • Average High 2020–2025

    61.6 °F
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