Sunbeam Weather Forecast

    • 39
    • 57

    Rain Showers

    • 34
    • 58

    Mostly Sunny

    • 32
    • 59

    Sunny

    • 42
    • 62

    Mostly Cloudy

    • 47
    • 60

    Chance Rain Showers

    • 51
    • 63

    Mostly Cloudy

Today 21 Oct Mercer

Mostly sunny late this Morning, then cloudy with isolated Showers this afternoon. Breezy and much cooler. Near steady temperature in the lower 50s. Northwest Winds 20 to 25 Mph with Gusts up to 40 Mph. Chance of rain 20 percent.

Tonight 21 Oct Mercer

Mostly cloudy with isolated Showers in the Evening, then mostly clear after midnight. Breezy with Lows in the upper 30s. Northwest Winds 15 to 25 Mph. Gusts up to 40 Mph in the evening. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunbeam Temperature Statistics

October Temperature

Galesburg Municipal Airport (20.5 miles)

  • Lowest 8 October, 2025

    39.4 °F

  • Average October

    64.3 °F

  • Highest 3 October, 2025

    88.7 °F

Climate (2020–Present)

Galesburg Municipal Airport (20.5 miles)

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  • Average Low 2020–2025

    41.4 °F

  • Average 2020–2025

    51.5 °F

  • Average High 2020–2025

    61.8 °F
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