Grant Lake Weather Forecast

    • 47
    • 74

    Increasing Clouds

    • 54
    • 78

    Partly Sunny

    • 61
    • 76

    Rain Showers Likely

    • 62
    • 81

    Chance Rain Showers

    • 60
    • 83

    Chance Rain Showers

    • 57
    • 82

    Mostly Cloudy

Today 27 Aug Iron

Sunny. Highs in the lower 70s. North Winds 5 to 10 Mph.

Tonight 27 Aug Iron

Mostly clear in the Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 40s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grant Lake Temperature Statistics

August Temperature

Manitowish Waters Airport (9.3 miles)

  • Lowest 24 August, 2026

    35.6 °F

  • Average August

    64.2 °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

    29.6 °F

  • Average 2021–2026

    40.6 °F

  • Average High 2021–2026

    50.2 °F
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