Round Lake Weather Forecast

    • 33
    • 47

    Decreasing Clouds

    • 38
    • 61

    Mostly Cloudy

    • 38
    • 54

    Rain Showers Likely

    • 36
    • 56

    Rain Showers Likely

    • 40
    • 61

    Slight Chance Rain Showers

    • 43
    • 70

    Partly Sunny

    • 46
    • 68

    Partly Sunny

Today 17 May Roberts

Mostly cloudy. North Winds 10 to 20 Mph.

Tonight 17 May Roberts

Partly cloudy. Areas of frost after midnight. Lows in the lower 30s. North Winds 5 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Round Lake Temperature Statistics

May Temperature

Wheaton Municipal Airport (7.5 miles)

  • Lowest 15 May, 2025

    46.4 °F

  • Average May

    55.3 °F

  • Highest 15 May, 2025

    66.2 °F

Climate (2020–Present)

Wheaton Municipal Airport (7.5 miles)

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

  • Average Low 2020–2025

    34.8 °F

  • Average 2020–2025

    44.8 °F

  • Average High 2020–2025

    54.6 °F
Get WillyWeather+ to remove ads