Gerlaw Weather Forecast

    • 66
    • 78

    Rain Showers Likely

    • 66
    • 81

    Rain Showers Likely

    • 68
    • 83

    Chance Thunderstorms

    • 66
    • 84

    Rain Showers Likely

    • 61
    • 77

    Chance Rain Showers

    • 58
    • 71

    Slight Chance Rain Showers

Today 16 Sep Warren

Cloudy. Showers likely with a chance of Thunderstorms in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Humid with Highs in the upper 70s. East Winds around 5 Mph. Chance of rain 70 percent.

Tonight 16 Sep Warren

Mostly cloudy. A chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. East Winds around 5 Mph. Chance of rain 50 percent.

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Gerlaw Temperature Statistics

September Temperature

Galesburg Municipal Airport (9.3 miles)

  • Lowest 13 September, 2026

    52.9 °F

  • Average September

    74.7 °F

  • Highest 3 September, 2026

    93.6 °F

Climate (2021–2026)

Galesburg Municipal Airport (9.3 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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