German Lake Weather Forecast

    • 62
    • 76

    Chance Thunderstorms

    • 58
    • 70

    Rain Showers Likely

    • 59
    • 71

    Chance Thunderstorms

    • 59
    • 76

    Chance Thunderstorms

    • 54
    • 76

    Slight Chance Thunderstorms

    • 52
    • 72

    Mostly Sunny

Today 18 Sep Isanti

Mostly cloudy. Slight chance of Thunderstorms in the Morning, then chance of Thunderstorms in the afternoon. Highs in the mid 70s. East Winds 5 to 10 Mph. Chance of Thunderstorms 50 percent.

Tonight 18 Sep Isanti

Mostly cloudy with a 50 percent chance of Thunderstorms. Lows in the lower 60s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

German Lake Temperature Statistics

September Temperature

Cambridge Municipal Airport (8.1 miles)

  • Lowest 7 September, 2025

    38.7 °F

  • Average September

    61.2 °F

  • Highest 13 September, 2025

    82.4 °F

Climate (2020–Present)

Cambridge Municipal Airport (8.1 miles)

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  • Average Low 2020–2025

    35.9 °F

  • Average 2020–2025

    46 °F

  • Average High 2020–2025

    55.4 °F
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