Grant Lake Weather Forecast

    • 23
    • 62

    Chance Freezing Rain

    • 14
    • 30

    Mostly Cloudy

    • 27
    • 40

    Slight Chance Snow

    • 22
    • 42

    Slight Chance Snow

    • 28
    • 41

    Chance Rain/Snow

    • 15
    • 39

    Mostly Cloudy

    • 16
    • 33

    Partly Sunny

Today 21 Mar Iron

Partly sunny. Highs around 60. Temperature falling into the mid 50s late. West Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 21 Mar Iron

A chance of rain this evening. Mostly cloudy with a chance of freezing rain with a slight chance of snow. Patchy fog. Ice accumulation around a trace. Lows in the lower 20s. North Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of precipitation 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grant Lake Temperature Statistics

March Temperature

Manitowish Waters Airport (9.3 miles)

  • Lowest 1 March, 2026

    -3.1 °F

  • Average March

    28.2 °F

  • Highest 4 March, 2026

    51.6 °F

Climate (2021–Present)

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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