Grant Lake Weather Forecast

    • -19
    • 4

    Cold

    • -4
    • 3

    Chance Snow

    • -10
    • 5

    Cold

    • -9
    • 4

    Cold

    • -7
    • 6

    Cold

    • -4
    • 13

    Mostly Cloudy

    • 7
    • 21

    Partly Sunny

Today 25 Jan Iron

Partly sunny. Highs around 5 above. Temperature falling to around zero late. Northwest Winds around 5 Mph.

Tonight 25 Jan Iron

Mostly cloudy this Evening, then becoming partly cloudy. Not as cold with Lows around 18 below. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grant Lake Temperature Statistics

January Temperature

Manitowish Waters Airport (9.3 miles)

  • Lowest 23 January, 2026

    -31 °F

  • Average January

    12.7 °F

  • Highest 13 January, 2026

    35.2 °F

Climate (2021–Present)

Manitowish Waters Airport (9.3 miles)

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  • Average Low 2021–2026

    29.5 °F

  • Average 2021–2026

    40.5 °F

  • Average High 2021–2026

    50.2 °F
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