Round Lake Weather Forecast

    • 40
    • 56

    Rain

    • 39
    • 46

    Rain

    • 41
    • 50

    Rain Showers

    • 41
    • 48

    Rain Showers Likely

    • 43
    • 59

    Chance Rain Showers

    • 46
    • 66

    Chance Rain Showers

    • 48
    • 67

    Rain Showers Likely

Today 21 May Southeastern St. Lawrence

Cloudy with a 30 percent chance of rain. Highs in the mid 50s. Southeast Winds around 10 Mph.

Tonight 21 May Southeastern St. Lawrence

A slight chance of rain until Midnight, then rain after midnight. Lows around 40. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

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Round Lake Temperature Statistics

May Temperature

Fort Drum / Wheeler-Sack U. S. Army Airfield (28 miles)

  • Lowest 1 May, 2025

    36.9 °F

  • Average May

    56.4 °F

  • Highest 13 May, 2025

    81.3 °F

Climate (2020–Present)

Fort Drum / Wheeler-Sack U. S. Army Airfield (28 miles)

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  • Average Low 2020–2025

    39.7 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    56.3 °F
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