Merwin Lake Weather Forecast

    • 68
    • 80

    Thunderstorms Likely

    • 62
    • 81

    Rain Showers

    • 58
    • 80

    Mostly Sunny

    • 60
    • 81

    Partly Sunny

    • 64
    • 84

    Chance Thunderstorms

    • 63
    • 86

    Chance Thunderstorms

Today 22 Jul Carlton/South St. Louis

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Highs around 80. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 22 Jul Carlton/South St. Louis

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then Showers and Thunderstorms likely after midnight. Some Thunderstorms may produce heavy rainfall. Humid with Lows in the upper 60s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Real-Time

Merwin Lake Temperature Statistics

July Temperature

Moose Lake Carlton County Airport (15.5 miles)

  • Lowest 17 July, 2025

    44.6 °F

  • Average July

    65.9 °F

  • Highest 4 July, 2025

    89.6 °F

Climate (2020–Present)

Moose Lake Carlton County Airport (15.5 miles)

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  • Average Low 2020–2025

    32.6 °F

  • Average 2020–2025

    43.1 °F

  • Average High 2020–2025

    53.5 °F
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