Grant Lake Weather Forecast

    • 54
    • 79

    Mostly Cloudy

    • 57
    • 81

    Chance Rain Showers

    • 60
    • 77

    Chance Rain Showers

    • 51
    • 75

    Mostly Sunny

    • 54
    • 78

    Chance Rain Showers

    • 54
    • 78

    Rain Showers Likely

Today 13 Aug Iron

Mostly cloudy this Morning, then partly sunny with a slight chance of Showers this afternoon. Highs in the upper 70s. Northeast Winds around 5 Mph. Chance of rain 20 percent.

Tonight 13 Aug Iron

Partly cloudy. Lows in the mid 50s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grant Lake Temperature Statistics

August Temperature

Manitowish Waters Airport (9.3 miles)

  • Lowest 6 August, 2026

    45.9 °F

  • Average August

    65.8 °F

  • Highest 3 August, 2026

    83.5 °F

Climate (2021–2026)

Manitowish Waters Airport (9.3 miles)

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  • Average Low 2021–2026

    29.7 °F

  • Average 2021–2026

    40.6 °F

  • Average High 2021–2026

    50.2 °F
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