Round Lake Weather Forecast

    • 63
    • 83

    Rain Showers Likely

    • 55
    • 79

    Partly Sunny

    • 57
    • 81

    Mostly Sunny

    • 61
    • 82

    Chance Rain Showers

    • 56
    • 80

    Rain Showers Likely

    • 55
    • 78

    Mostly Sunny

Today 18 Aug Clinton

Mostly sunny in the morning then becoming partly sunny. Highs in the lower 80s. West Winds 5 to 15 Mph. Gusts up to 20 Mph increasing to 30 Mph in the afternoon.

Tonight 18 Aug Clinton

Showers likely and a chance of Thunderstorms. Lows in the lower 60s. West Winds 5 to 15 Mph. Gusts up to 25 Mph in the evening. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Round Lake Temperature Statistics

August Temperature

Capital Region International Airport (10.6 miles)

  • Lowest 9 August, 2026

    56.6 °F

  • Average August

    73.2 °F

  • Highest 16 August, 2026

    87.1 °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

    51 °F

  • Average High 2021–2026

    60.2 °F
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