Friess Lake Weather Forecast
- 28
- 38
Slight Chance Rain
- 35
- 40
Decreasing Clouds
- 35
- 44
Rain
- 30
- 40
Rain/Snow Likely
- 20
- 33
Snow Likely
- 22
- 28
Partly Sunny
- 26
- 37
Partly Sunny
Today 6 Jan Washington
Light rain likely. Patchy fog. Northwest Winds around 5 Mph. Chance of rain 70 percent.
Tonight 6 Jan Washington
Cloudy. A 30 percent chance of light rain through around midnight. Patchy fog through the night. Areas of freezing fog after midnight. Lows in the upper 20s. West Winds 5 to 10 Mph.
Friess Lake Temperature Statistics
January Temperature
Waukesha County Airport (13.7 miles)
Lowest 1 January, 2026
8.6 °FAverage January
17.1 °FHighest 4 January, 2026
32 °F
Climate (2021–Present)
Waukesha County Airport (13.7 miles)
Average Low 2021–2026
38.3 °FAverage 2021–2026
45.8 °FAverage High 2021–2026
56.3 °F