Centerville Weather Forecast

    • 70
    • 91

    Mostly Sunny

    • 72
    • 92

    Mostly Sunny

    • 72
    • 92

    Slight Chance Thunderstorms

    • 72
    • 90

    Chance Thunderstorms

    • 71
    • 91

    Slight Chance Thunderstorms

    • 68
    • 89

    Mostly Sunny

Today 14 Jul Knox

Sunny. Highs in the lower 90s. Northeast Winds around 5 Mph. Heat index Values up to 100.

Tonight 14 Jul Knox

Clear. Patchy fog after midnight. Humid with Lows around 70. East Winds around 5 Mph in the Evening, becoming light and variable.

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Centerville Temperature Statistics

July Temperature

Galesburg Municipal Airport (21.7 miles)

  • Lowest 8 July, 2026

    60.6 °F

  • Average July

    76 °F

  • Highest 2 July, 2026

    90 °F

Climate (2021–2026)

Galesburg Municipal Airport (21.7 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    62.4 °F
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