Grant Lake Weather Forecast

    • 34
    • 47

    Mostly Cloudy

    • 28
    • 48

    Mostly Cloudy

    • 25
    • 51

    Chance Rain/Snow

    • 14
    • 32

    Mostly Cloudy

    • 23
    • 35

    Mostly Cloudy

    • 21
    • 42

    Mostly Cloudy

Today 19 Mar Iron

Partly sunny. Not as cool with Highs in the mid 40s. South Winds around 5 Mph.

Tonight 19 Mar Iron

Mostly cloudy. Areas of fog after midnight. Not as cool with Lows in the mid 30s. South Winds 5 to 10 Mph, becoming southwest after midnight. Gusts up to 25 Mph.

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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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