Round Lake Weather Forecast

    • 58
    • 81

    Becoming Sunny

    • 57
    • 81

    Mostly Sunny

    • 61
    • 84

    Mostly Sunny

    • 64
    • 86

    Chance Thunderstorms

    • 62
    • 80

    Chance Thunderstorms

    • 60
    • 81

    Slight Chance Thunderstorms

Today 28 Jul Clinton

Partly sunny in the morning then clearing. Highs in the lower 80s. North Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 28 Jul Clinton

Mostly clear. Lows in the upper 50s. North Winds 5 to 15 Mph. Gusts up to 25 Mph in the evening.

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Round Lake Temperature Statistics

July Temperature

Capital Region International Airport (10.6 miles)

  • Lowest 23 July, 2026

    47.6 °F

  • Average July

    75.1 °F

  • Highest 14 July, 2026

    97.6 °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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