Lake Wausau Weather Forecast
- 37
- 62
Becoming Sunny
- 51
- 70
Rain Showers Likely
- 53
- 82
Mostly Sunny
- 48
- 78
Partly Sunny
- 56
- 75
Rain Showers Likely
- 56
- 84
Rain Showers
Today 13 May Marathon
Cooler. Cloudy in the morning then becoming partly sunny. Highs in the lower 60s. North wind 10 to 15 Mph.
Tonight 13 May Marathon
Clear. Areas of frost after midnight. Lows in the middle 30s. North wind 5 to 10 Mph in the evening becoming light and variable.
Lake Wausau Temperature Statistics
May Temperature
Wausau Downtown Airport (0.6 miles)
Lowest 2 May, 2026
26.7 °FAverage May
46.4 °FHighest 3 May, 2026
69.7 °F
Climate (2021–Present)
Wausau Downtown Airport (0.6 miles)
Average Low 2021–2026
37.4 °FAverage 2021–2026
46.7 °FAverage High 2021–2026
56 °F