Clear Lake Weather Forecast

    • 64
    • 83

    Chance Thunderstorms

    • 63
    • 77

    Rain Showers Likely

    • 60
    • 72

    Chance Thunderstorms

    • 60
    • 73

    Chance Thunderstorms

    • 60
    • 75

    Chance Thunderstorms

    • 56
    • 79

    Slight Chance Thunderstorms

Today 17 Sep Washington

Mostly sunny. A 20 percent chance of Thunderstorms late in the afternoon. Highs in the lower 80s. East Winds up to 5 Mph.

Tonight 17 Sep Washington

Mostly cloudy with a 50 percent chance of Thunderstorms. Lows in the mid 60s. East Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

September Temperature

Minneapolis / Blaine (13 miles)

  • Lowest 7 September, 2025

    42.8 °F

  • Average September

    62.6 °F

  • Highest 14 September, 2025

    86 °F

Climate (2020–Present)

Minneapolis / Blaine (13 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    46.6 °F

  • Average High 2020–2025

    57.3 °F
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