Sunbeam Weather Forecast

    • 46
    • 74

    Sunny

    • 48
    • 69

    Sunny

    • 55
    • 75

    Sunny

    • 51
    • 75

    Mostly Sunny

    • 53
    • 72

    Partly Sunny

    • 55
    • 73

    Mostly Sunny

Today 4 Oct Mercer

Sunny. Near steady temperature in the lower 70s. Northwest Winds around 10 Mph.

Tonight 4 Oct Mercer

Clear. Lows in the mid 40s. North 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 2 October, 2026

    46.9 °F

  • Average October

    61.6 °F

  • Highest 1 October, 2026

    70.3 °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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