Sunbeam Weather Forecast

    • 71
    • 92

    Mostly Sunny

    • 70
    • 90

    Chance Thunderstorms

    • 67
    • 86

    Chance Thunderstorms

    • 66
    • 87

    Slight Chance Thunderstorms

    • 67
    • 88

    Chance Thunderstorms

    • 66
    • 87

    Chance Thunderstorms

Today 4 Jul Mercer

Sunny, hot with Highs in the lower 90s. South Winds 5 to 10 Mph.

Tonight 4 Jul Mercer

Mostly clear. Humid with Lows in the lower 70s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunbeam Temperature Statistics

July Temperature

Galesburg Municipal Airport (20.5 miles)

  • Lowest 1 July, 2025

    62.8 °F

  • Average July

    73.2 °F

  • Highest 1 July, 2025

    83.3 °F

Climate (2020–Present)

Galesburg Municipal Airport (20.5 miles)

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  • Average Low 2020–2025

    41.1 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    61.5 °F
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