Gilson Weather Forecast

    • 66
    • 92

    Partly Sunny

    • 66
    • 94

    Mostly Sunny

    • 66
    • 92

    Partly Sunny

    • 65
    • 93

    Partly Sunny

    • 64
    • 92

    Partly Sunny

    • 61
    • 86

    Chance Rain Showers

Today 13 Sep Knox

Mostly sunny. Highs in the lower 90s. South Winds 5 to 10 Mph.

Tonight 13 Sep Knox

Partly cloudy. Lows in the mid 60s. South Winds around 5 Mph.

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Gilson Temperature Statistics

September Temperature

Galesburg Municipal Airport (13 miles)

  • Lowest 7 September, 2025

    39.6 °F

  • Average September

    60.2 °F

  • Highest 10 September, 2025

    82.6 °F

Climate (2020–Present)

Galesburg Municipal Airport (13 miles)

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  • Average Low 2020–2025

    41.1 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    61.5 °F
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