Grant Lake Weather Forecast

    • 55
    • 76

    Rain Showers Likely

    • 50
    • 73

    Slight Chance Rain Showers

    • 45
    • 72

    Mostly Sunny

    • 45
    • 72

    Mostly Sunny

    • 52
    • 76

    Partly Sunny

    • 55
    • 79

    Chance Rain Showers

Today 20 Aug Iron

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 20 Aug Iron

Mostly cloudy with a chance of Thunderstorms. Showers Likely, mainly in the evening. Not as cool with Lows in the mid 50s. South Winds around 5 Mph. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grant Lake Temperature Statistics

August Temperature

Manitowish Waters Airport (9.3 miles)

  • Lowest 17 August, 2026

    45.5 °F

  • Average August

    66 °F

  • Highest 3 August, 2026

    83.5 °F

Climate (2021–2026)

Manitowish Waters Airport (9.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    29.7 °F

  • Average 2021–2026

    40.6 °F

  • Average High 2021–2026

    50.2 °F
Get WillyWeather+ to remove ads