Lake Washington Weather Forecast

    • 33
    • 54

    Decreasing Clouds

    • 33
    • 52

    Partly Sunny

    • 32
    • 53

    Partly Sunny

    • 45
    • 63

    Slight Chance Rain Showers

    • 42
    • 67

    Slight Chance Rain Showers

    • 40
    • 63

    Partly Sunny

    • 42
    • 67

    Slight Chance Thunderstorms

Today 29 Apr Le Sueur

Partly sunny. A 20 percent chance of Thunderstorms late in the afternoon. Near steady temperature in the lower 50s. Northwest Winds 10 to 15 Mph.

Tonight 29 Apr Le Sueur

Mostly cloudy early in the evening then clearing. A 20 percent chance of Thunderstorms early in the evening. Areas of frost after midnight. Widespread frost late in the night. Lows in the lower 30s. North Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Washington Temperature Statistics

April Temperature

Mankato, Mankato Regional Airport (3.1 miles)

  • Lowest 7 April, 2026

    21.9 °F

  • Average April

    44.3 °F

  • Highest 12 April, 2026

    80.1 °F

Climate (2021–Present)

Mankato, Mankato Regional Airport (3.1 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    57.2 °F
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