Round Lake Weather Forecast

    • 61
    • 86

    Mostly Sunny

    • 64
    • 85

    Rain Showers

    • 61
    • 80

    Rain Showers Likely

    • 62
    • 84

    Mostly Sunny

    • 66
    • 86

    Partly Sunny

    • 66
    • 88

    Chance Rain Showers

Today 4 Aug Clinton

Sunny. Highs in the mid 80s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 4 Aug Clinton

Mostly clear. Lows in the lower 60s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Round Lake Temperature Statistics

August Temperature

Capital Region International Airport (10.6 miles)

  • Lowest 1 August, 2026

    66 °F

  • Average August

    68.9 °F

  • Highest 1 August, 2026

    73 °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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