Sunbeam Weather Forecast

    • 28
    • 56

    Rain Likely

    • 22
    • 37

    Slight Chance Snow

    • 18
    • 36

    Mostly Cloudy

    • 14
    • 32

    Partly Sunny

    • 17
    • 33

    Mostly Sunny

    • 34
    • 48

    Mostly Cloudy

Today 19 Feb Mercer

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the mid 50s. Northeast Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 19 Feb Mercer

Rain likely. A chance of Thunderstorms in the Evening, then snow likely after midnight. Little or no snow accumulation. Breezy with Lows in the upper 20s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming west 15 to 25 Mph with Gusts up to 40 Mph after midnight. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunbeam Temperature Statistics

February Temperature

Galesburg Municipal Airport (20.5 miles)

  • Lowest 1 February, 2026

    1 °F

  • Average February

    33.4 °F

  • Highest 16 February, 2026

    67.5 °F

Climate (2021–Present)

Galesburg Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    41.5 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.1 °F
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