Grant Lake Weather Forecast

    • 45
    • 68

    Chance Thunderstorms

    • 48
    • 69

    Chance Rain Showers

    • 46
    • 70

    Slight Chance Thunderstorms

    • 44
    • 70

    Partly Sunny

    • 47
    • 71

    Partly Sunny

    • 50
    • 71

    Chance Rain Showers

Today 18 Jun Iron

Mostly sunny. Patchy fog this morning. A chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the upper 60s. Northwest Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 18 Jun Iron

Partly cloudy in the Evening, then clearing. Cold with Lows in the mid 40s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grant Lake Temperature Statistics

June Temperature

Manitowish Waters Airport (9.3 miles)

  • Lowest 15 June, 2026

    36 °F

  • Average June

    64.2 °F

  • Highest 7 June, 2026

    81.9 °F

Climate (2021–2026)

Manitowish Waters Airport (9.3 miles)

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  • Average Low 2021–2026

    29.6 °F

  • Average 2021–2026

    40.6 °F

  • Average High 2021–2026

    50.2 °F
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