Sunbeam Weather Forecast

    • 58
    • 81

    Increasing Clouds

    • 45
    • 70

    Chance Rain Showers

    • 48
    • 71

    Mostly Cloudy

    • 56
    • 71

    Rain Showers

    • 47
    • 73

    Rain Showers Likely

    • 45
    • 64

    Partly Sunny

Today 23 Apr Mercer

Partly cloudy. Highs in the lower 80s. South Winds 5 to 10 Mph with Gusts up to 20 Mph, increasing to 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 23 Apr Mercer

Mostly cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers after midnight. Lows in the upper 50s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunbeam Temperature Statistics

April Temperature

Galesburg Municipal Airport (20.5 miles)

  • Lowest 5 April, 2026

    32.9 °F

  • Average April

    53.7 °F

  • Highest 17 April, 2026

    82.8 °F

Climate (2021–Present)

Galesburg Municipal Airport (20.5 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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