Grant Lake Weather Forecast

    • 31
    • 55

    Increasing Clouds

    • 30
    • 53

    Chance Rain

    • 20
    • 38

    Chance Rain

    • 19
    • 38

    Partly Sunny

    • 26
    • 42

    Chance Snow

    • 31
    • 46

    Rain/Snow Likely

Today 29 Mar Iron

Partly sunny. Warmer with Highs in the mid 50s. South Winds 5 to 10 Mph.

Tonight 29 Mar Iron

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 20s. North Winds around 5 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

    29.7 °F

  • Highest 21 March, 2026

    59.5 °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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