Mercer Lake Weather Forecast
- 72
- 91
Rain Showers Likely
- 64
- 91
Chance Thunderstorms
- 65
- 89
Rain Showers
- 64
- 88
Rain Showers Likely
- 63
- 87
Rain Showers Likely
- 62
- 87
Rain Showers Likely
Today 29 Jun Iron
Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Morning, then mostly sunny in the afternoon. Warmer with Highs in the lower 90s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent. Heat index Values up to 102 in the afternoon.
Tonight 29 Jun Iron
Showers likely with a chance of Thunderstorms. Not as cool. Near steady temperature in the mid 60s. Southeast Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.
Mercer Lake Temperature Statistics
June Temperature
Manitowish Waters Airport (9.3 miles)
Lowest 15 June, 2026
36 °FAverage June
61.3 °FHighest 7 June, 2026
81.9 °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