Round Lake Weather Forecast

    • 69
    • 89

    Thunderstorms

    • 65
    • 83

    Chance Rain Showers

    • 68
    • 84

    Slight Chance Thunderstorms

    • 71
    • 87

    Mostly Sunny

    • 71
    • 89

    Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

Today 23 Jul Le Sueur

Mostly sunny. Slight chance of Showers in the Morning, then Thunderstorms likely in the afternoon. Highs around 90. Southwest Winds 5 to 15 Mph. Chance of precipitation 70 percent.

Tonight 23 Jul Le Sueur

Partly cloudy. A 20 percent chance of Thunderstorms after midnight. Near steady temperature in the mid 70s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Round Lake Temperature Statistics

July Temperature

Mankato, Mankato Regional Airport (8.1 miles)

  • Lowest 17 July, 2025

    51.1 °F

  • Average July

    73.3 °F

  • Highest 3 July, 2025

    90 °F

Climate (2020–Present)

Mankato, Mankato Regional Airport (8.1 miles)

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  • Average Low 2020–2025

    39.1 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    56.8 °F
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