Johnson Lake Weather Forecast
- 50
- 59
Rain Showers Likely
- 49
- 60
Rain Showers Likely
- 42
- 66
Mostly Cloudy
- 38
- 61
Mostly Cloudy
- 39
- 62
Mostly Sunny
- 43
- 64
Partly Sunny
- 45
- 67
Partly Sunny
Today 18 Sep Price
Showers likely. Near steady temperature in the upper 50s. Southeast Winds around 5 Mph. Chance of rain 70 percent.
Tonight 18 Sep Price
Showers Likely, mainly in the evening. Patchy fog. Lows in the upper 40s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.
Johnson Lake Temperature Statistics
September Temperature
Tomahawk Regional Airport (18.6 miles)
Lowest 14 September, 2026
34.3 °FAverage September
68 °FHighest 1 September, 2026
93.4 °F
Climate (2021–2026)
Tomahawk Regional Airport (18.6 miles)
Average Low 2021–2026
31.8 °FAverage 2021–2026
43.7 °FAverage High 2021–2026
54.4 °F