Round Lake Weather Forecast

    • 58
    • 77

    Areas Fog

    • 59
    • 76

    Increasing Clouds

    • 59
    • 76

    Chance Rain Showers

    • 57
    • 70

    Chance Rain Showers

    • 56
    • 69

    Chance Thunderstorms

    • 57
    • 71

    Chance Rain Showers

    • 53
    • 75

    Slight Chance Thunderstorms

Today 27 Aug Deuel

Partly sunny with a 20 percent chance of Thunderstorms. Near steady temperature in the lower 70s. Southeast Winds around 5 Mph.

Tonight 27 Aug Deuel

Partly cloudy. A slight chance of Showers late this evening. Patchy fog late this Evening, then Areas of fog. Lows in the upper 50s. East Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Round Lake Temperature Statistics

August Temperature

Watertown, Watertown Municipal Airport (16.2 miles)

  • Lowest 24 August, 2025

    48.9 °F

  • Average August

    70.9 °F

  • Highest 19 August, 2025

    87.7 °F

Climate (2020–Present)

Watertown, Watertown Municipal Airport (16.2 miles)

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  • Average Low 2020–2025

    34.9 °F

  • Average 2020–2025

    45.2 °F

  • Average High 2020–2025

    55.6 °F
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