Grant Lake Weather Forecast

    • 47
    • 73

    Increasing Clouds

    • 48
    • 64

    Chance Rain Showers

    • 43
    • 65

    Mostly Cloudy

    • 41
    • 66

    Mostly Cloudy

    • 39
    • 63

    Mostly Cloudy

    • 41
    • 65

    Partly Sunny

    • 45
    • 67

    Partly Sunny

Today 17 Sep Iron

Mostly sunny. Near steady temperature in the upper 60s. North Winds around 5 Mph.

Tonight 17 Sep Iron

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 40s. North Winds around 5 Mph, becoming east after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grant Lake Temperature Statistics

September Temperature

Manitowish Waters Airport (9.3 miles)

  • Lowest 14 September, 2026

    37 °F

  • Average September

    68.1 °F

  • Highest 1 September, 2026

    92.7 °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

    29.8 °F

  • Average 2021–2026

    40.7 °F

  • Average High 2021–2026

    50.3 °F
Get WillyWeather+ to remove ads