Grant Lake Weather Forecast
- 55
- 80
Decreasing Clouds
- 59
- 82
Slight Chance Thunderstorms
- 61
- 84
Slight Chance Thunderstorms
- 65
- 88
Mostly Sunny
- 67
- 91
Mostly Sunny
- 63
- 90
Partly Sunny
Today 9 Jul Iron
Patchy fog this morning. Sunny. Highs in the upper 70s. Northeast Winds around 5 Mph.
Tonight 9 Jul Iron
Mostly clear in the Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 50s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.
Grant Lake Temperature Statistics
July Temperature
Manitowish Waters Airport (9.3 miles)
Lowest 6 July, 2026
54.9 °FAverage July
70.4 °FHighest 6 July, 2026
83.5 °F
Climate (2021–2026)
Manitowish Waters Airport (9.3 miles)
Average Low 2021–2026
29.6 °FAverage 2021–2026
40.5 °FAverage High 2021–2026
50.2 °F