Galesburg Weather Forecast

    • 47
    • 66

    Rain Showers

    • 40
    • 67

    Breezy

    • 45
    • 68

    Chance Rain Showers

    • 48
    • 72

    Partly Sunny

    • 49
    • 72

    Partly Sunny

    • 46
    • 72

    Mostly Sunny

Today 14 Sep Traill

Showers and a slight chance of Thunderstorms. Highs in the mid 60s. Windy. South Winds 20 to 30 Mph with Gusts to around 45 Mph. Chance of rain near 100 percent.

Tonight 14 Sep Traill

Mostly cloudy. Lows in the mid 40s. Southeast Winds around 15 Mph.

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Galesburg Temperature Statistics

September Temperature

Cooperstown (34.2 miles)

  • Lowest 10 September, 2026

    48.2 °F

  • Average September

    67.5 °F

  • Highest 4 September, 2026

    84.2 °F

Climate (2021–2026)

Cooperstown (34.2 miles)

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  • Average Low 2021–2026

    30.3 °F

  • Average 2021–2026

    40.5 °F

  • Average High 2021–2026

    50.7 °F
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