Sunbeam Weather Forecast

    • 44
    • 46

    Dense Fog

    • 38
    • 52

    Mostly Cloudy

    • 46
    • 57

    Mostly Cloudy

    • 14
    • 54

    Chance Rain/Snow

    • 12
    • 22

    Partly Sunny

    • 20
    • 33

    Partly Sunny

    • 15
    • 32

    Mostly Cloudy

Today 25 Dec Mercer

Cloudy with patchy drizzle. Patchy dense fog. Near steady temperature in the mid 40s. East Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 25 Dec Mercer

Cloudy. Patchy drizzle Early, then Areas of drizzle. Patchy dense fog Early, then Areas of dense fog. Lows in the lower 40s. East Winds around 10 Mph with Gusts up to 20 Mph, becoming south after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunbeam Temperature Statistics

December Temperature

Galesburg Municipal Airport (20.5 miles)

  • Lowest 14 December, 2025

    -12.5 °F

  • Average December

    23.7 °F

  • Highest 23 December, 2025

    53.2 °F

Climate (2020–Present)

Galesburg Municipal Airport (20.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    41.3 °F

  • Average 2020–2025

    51.5 °F

  • Average High 2020–2025

    61.7 °F
Get WillyWeather+ to remove ads