Sunbeam Weather Forecast

    • 68
    • 90

    Sunny

    • 71
    • 93

    Mostly Sunny

    • 72
    • 92

    Mostly Sunny

    • 74
    • 93

    Sunny

    • 74
    • 93

    Chance Thunderstorms

    • 71
    • 92

    Slight Chance Thunderstorms

    • 67
    • 89

    Mostly Sunny

Today 13 Jul Mercer

Sunny, hot. Near steady temperature in the upper 80s. North Winds around 5 Mph.

Tonight 13 Jul Mercer

Clear with Lows in the upper 60s. North Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunbeam Temperature Statistics

July Temperature

Galesburg Municipal Airport (20.5 miles)

  • Lowest 8 July, 2026

    60.6 °F

  • Average July

    76.2 °F

  • Highest 2 July, 2026

    90 °F

Climate (2021–2026)

Galesburg Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    62.4 °F
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