Grass Lake Weather Forecast

    • 53
    • 79

    Sunny

    • 56
    • 79

    Partly Sunny

    • 63
    • 79

    Partly Sunny

    • 63
    • 85

    Mostly Sunny

    • 59
    • 84

    Mostly Sunny

    • 61
    • 83

    Partly Sunny

Today 22 Aug Hennepin

Decreasing Clouds. Highs in the upper 70s. Northwest Winds up to 5 Mph increasing to 15 to 20 Mph.

Tonight 22 Aug Hennepin

Clear. Lows in the lower 50s. North Winds up to 10 Mph. Gusts up to 25 Mph in the evening.

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  • Temperature Real-Time

Grass Lake Temperature Statistics

August Temperature

Minneapolis - Flying Cloud Airport (1.2 miles)

  • Lowest 8 August, 2026

    55.9 °F

  • Average August

    72.8 °F

  • Highest 12 August, 2026

    88 °F

Climate (2021–2026)

Minneapolis - Flying Cloud Airport (1.2 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    57.6 °F
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