Round Lake Weather Forecast

    • 57
    • 78

    Slight Chance Thunderstorms

    • 48
    • 75

    Rain Showers

    • 39
    • 58

    Partly Sunny

    • 44
    • 64

    Partly Sunny

    • 55
    • 68

    Rain Showers

    • 45
    • 64

    Chance Rain Showers

    • 41
    • 58

    Mostly Cloudy

Today 23 Apr Clinton

Sunny with a 20 percent chance of Showers and Thunderstorms. Highs in the upper 70s. South Winds around 10 Mph with Gusts to around 20 Mph.

Tonight 23 Apr Clinton

Partly cloudy. A 20 percent chance of Showers and Thunderstorms in the evening. Lows in the upper 50s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Round Lake Temperature Statistics

April Temperature

Capital Region International Airport (10.6 miles)

  • Lowest 7 April, 2026

    21.7 °F

  • Average April

    51.2 °F

  • Highest 12 April, 2026

    79.6 °F

Climate (2021–Present)

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

    60.1 °F
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