Sunbeam Weather Forecast

    • 40
    • 66

    Sunny

    • 43
    • 71

    Mostly Sunny

    • 46
    • 71

    Mostly Sunny

    • 49
    • 74

    Mostly Sunny

    • 51
    • 75

    Mostly Sunny

    • 52
    • 74

    Partly Sunny

    • 54
    • 74

    Mostly Cloudy

Today 18 Oct Mercer

Sunny. Near steady temperature in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 18 Oct Mercer

Clear. Lows in the lower 40s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunbeam Temperature Statistics

October Temperature

Galesburg Municipal Airport (20.5 miles)

  • Lowest 16 October, 2026

    40.3 °F

  • Average October

    62.4 °F

  • Highest 12 October, 2026

    87.3 °F

Climate (2021–2026)

Galesburg Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    41.9 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    62.5 °F
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