Grant Lake Weather Forecast

    • 34
    • 48

    Decreasing Clouds

    • 33
    • 62

    Sunny

    • 52
    • 70

    Partly Sunny

    • 47
    • 73

    Rain Likely

    • 34
    • 60

    Chance Rain

    • 32
    • 53

    Slight Chance Rain/Snow

Today 20 Apr Iron

Mostly sunny. Not as cool with Highs in the upper 40s. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 20 Apr Iron

Partly cloudy in the Evening, then clearing. Not as cool with Lows in the mid 30s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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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

    38.3 °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

    40.5 °F

  • Average High 2021–2026

    50.2 °F
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