Johnson Lake Weather Forecast
- 56
- 87
Chance Thunderstorms
- 46
- 83
Slight Chance Thunderstorms
- 50
- 77
Sunny
- 51
- 78
Mostly Sunny
- 49
- 75
Mostly Sunny
- 50
- 75
Mostly Sunny
Today 26 May Price
Mostly sunny. A chance of Thunderstorms with a slight chance of Showers this afternoon. Hot with Highs in the upper 80s. West Winds around 5 Mph. Chance of rain 40 percent.
Tonight 26 May Price
Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the mid 50s. Northeast Winds around 5 Mph, becoming southeast around 5 Mph after midnight. Chance of rain 20 percent.
Johnson Lake Temperature Statistics
May Temperature
Tomahawk Regional Airport (18.6 miles)
Lowest 2 May, 2026
20.8 °FAverage May
50 °FHighest 15 May, 2026
82 °F
Climate (2021–Present)
Tomahawk Regional Airport (18.6 miles)
Average Low 2021–2026
31.5 °FAverage 2021–2026
43.4 °FAverage High 2021–2026
54.1 °F