Galesburg Municipal Airport Weather Forecast

    • 47
    • 59

    Mostly Sunny

    • 56
    • 77

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

    • 56
    • 79

    Mostly Cloudy

    • 46
    • 68

    Chance Rain Showers

    • 45
    • 67

    Slight Chance Rain Showers

Today 20 Apr Knox

Widespread frost in the morning. Sunny. Highs around 60. East Winds around 5 Mph, becoming south in the afternoon.

Tonight 20 Apr Knox

Mostly clear in the Evening, then becoming partly cloudy. Not as cool with Lows in the upper 40s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Galesburg Municipal Airport Temperature Statistics

April Temperature

Galesburg Municipal Airport (0 miles)

  • Lowest 5 April, 2026

    32.9 °F

  • Average April

    54.9 °F

  • Highest 17 April, 2026

    82.8 °F

Climate (2021–Present)

Galesburg Municipal Airport (0 miles)

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  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    62.3 °F
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