Sunbeam Weather Forecast

    • 59
    • 76

    Mostly Cloudy

    • 48
    • 76

    Rain Showers

    • 44
    • 64

    Partly Sunny

    • 42
    • 64

    Mostly Sunny

    • 40
    • 63

    Partly Sunny

    • 39
    • 61

    Partly Sunny

Today 26 Apr Mercer

Partly cloudy. Highs in the mid 70s. Southeast Winds 5 to 10 Mph.

Tonight 26 Apr Mercer

Mostly cloudy. Showers likely with a chance of Thunderstorms after midnight. Not as cool with Lows in the upper 50s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 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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