Galesburg Weather Forecast

    • 61
    • 83

    Becoming Sunny

    • 55
    • 75

    Partly Sunny

    • 59
    • 78

    Partly Sunny

    • 60
    • 78

    Partly Sunny

    • 66
    • 85

    Mostly Sunny

    • 69
    • 92

    Mostly Sunny

Today 21 Jul Knox

Sunny. A slight chance of Showers and Thunderstorms this morning. Highs in the lower 80s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 21 Jul Knox

Mostly clear. Lows in the lower 60s. North Winds 10 to 15 Mph.

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Galesburg Temperature Statistics

July Temperature

Galesburg Municipal Airport (3.1 miles)

  • Lowest 8 July, 2026

    60.6 °F

  • Average July

    77.1 °F

  • Highest 18 July, 2026

    91.8 °F

Climate (2021–2026)

Galesburg Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    62.5 °F
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