Round Lake Weather Forecast

    • 57
    • 79

    Increasing Clouds

    • 61
    • 81

    Rain Showers Likely

    • 56
    • 81

    Mostly Sunny

    • 55
    • 79

    Mostly Sunny

    • 62
    • 80

    Partly Sunny

    • 66
    • 83

    Chance Rain Showers

Today 25 Aug Clinton

Mostly sunny. Patchy fog in the morning. Highs in the upper 70s. Light Winds.

Tonight 25 Aug Clinton

Partly cloudy. Lows in the mid 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Round Lake Temperature Statistics

August Temperature

Capital Region International Airport (10.6 miles)

  • Lowest 23 August, 2026

    55 °F

  • Average August

    72.4 °F

  • Highest 16 August, 2026

    87.7 °F

Climate (2021–2026)

Capital Region International Airport (10.6 miles)

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  • Average Low 2021–2026

    41.9 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    60.2 °F
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