Mercer Lake Weather Forecast
- 56
- 79
Increasing Clouds
- 55
- 80
Mostly Cloudy
- 50
- 77
Slight Chance Rain Showers
- 47
- 73
Partly Sunny
- 51
- 75
Partly Sunny
- 53
- 75
Chance Rain Showers
Today 10 Aug Iron
Patchy fog this morning. Sunny. Highs in the upper 70s. Northwest Winds around 5 Mph.
Tonight 10 Aug Iron
Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 50s. Northeast Winds around 5 Mph, becoming southeast after midnight.
Mercer Lake Temperature Statistics
August Temperature
Manitowish Waters Airport (9.3 miles)
Lowest 6 August, 2026
45.9 °FAverage August
66.2 °FHighest 3 August, 2026
83.5 °F
Climate (2021–2026)
Manitowish Waters Airport (9.3 miles)
Average Low 2021–2026
29.7 °FAverage 2021–2026
40.6 °FAverage High 2021–2026
50.2 °F