Centerville Weather Forecast

    • 54
    • 72

    Chance Rain Showers

    • 69
    • 76

    Chance Rain Showers

    • 64
    • 82

    Rain Showers

    • 66
    • 80

    Rain Showers Likely

    • 61
    • 80

    Chance Rain Showers

    • 59
    • 77

    Chance Rain Showers

Today 13 Sep Knox

Partly sunny. A slight chance of Showers in the Morning, then a chance of Showers in the afternoon. Cooler with Highs in the mid 70s. North Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 13 Sep Knox

Partly cloudy. Lows in the upper 50s. North Winds around 5 Mph.

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Centerville Temperature Statistics

September Temperature

Galesburg Municipal Airport (21.7 miles)

  • Lowest 7 September, 2026

    60.1 °F

  • Average September

    76.9 °F

  • Highest 3 September, 2026

    93.6 °F

Climate (2021–2026)

Galesburg Municipal Airport (21.7 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    62.5 °F
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