Round Lake Weather Forecast

    • 65
    • 81

    Chance Thunderstorms

    • 66
    • 91

    Severe Tstms

    • 57
    • 83

    Chance Rain Showers

    • 56
    • 72

    Chance Rain Showers

    • 54
    • 78

    Partly Sunny

    • 50
    • 72

    Partly Sunny

    • 52
    • 70

    Chance Rain Showers

Today 8 Jun Deuel

Partly sunny with a 50 percent chance of Thunderstorms. Near steady temperature in the upper 70s. South Winds around 5 Mph.

Tonight 8 Jun Deuel

Mostly cloudy. A chance of Thunderstorms this evening. Lows in the mid 60s. Northeast Winds around 5 Mph, becoming southeast around 5 Mph after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Round Lake Temperature Statistics

June Temperature

Watertown, Watertown Municipal Airport (16.2 miles)

  • Lowest 1 June, 2026

    56.6 °F

  • Average June

    72.2 °F

  • Highest 2 June, 2026

    84.7 °F

Climate (2021–Present)

Watertown, Watertown Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    35.1 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    56 °F
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