Grant Lake Weather Forecast

    • 49
    • 76

    Rain

    • 35
    • 60

    Rain Likely

    • 37
    • 59

    Partly Sunny

    • 42
    • 63

    Chance Rain

    • 39
    • 58

    Rain Likely

    • 34
    • 54

    Slight Chance Rain/Snow

Today 23 Apr Iron

Mostly sunny. A chance of rain and Thunderstorms in the afternoon. Hot with Highs in the mid 70s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 23 Apr Iron

Rain with a chance of Thunderstorms. Lows in the upper 40s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grant Lake Temperature Statistics

April Temperature

Manitowish Waters Airport (9.3 miles)

  • Lowest 7 April, 2026

    5.4 °F

  • Average April

    37.4 °F

  • Highest 17 April, 2026

    76.6 °F

Climate (2021–Present)

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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