Friess Lake Weather Forecast
- 68
- 83
Rain Showers Likely
- 53
- 79
Increasing Clouds
- 54
- 75
Mostly Sunny
- 58
- 79
Mostly Sunny
- 60
- 82
Mostly Sunny
- 65
- 85
Mostly Sunny
- 67
- 91
Chance Rain Showers
Today 20 Jul Washington
Mostly sunny. Southwest Winds around 15 Mph with Gusts to around 30 Mph.
Tonight 20 Jul Washington
Warmer. Mostly cloudy in the evening then becoming partly cloudy. Showers and Thunderstorms likely in the Evening, then slight chance of Thunderstorms late in the evening. Some Thunderstorms may be severe. Lows in the upper 60s. West Winds 10 to 15 Mph. Gusts up to 35 Mph through around midnight. Chance of precipitation 70 percent.
Friess Lake Temperature Statistics
July Temperature
Waukesha County Airport (13.7 miles)
Lowest 7 July, 2026
59 °FAverage July
76.4 °FHighest 14 July, 2026
96.8 °F
Climate (2021–2026)
Waukesha County Airport (13.7 miles)
Average Low 2021–2026
38.6 °FAverage 2021–2026
46.1 °FAverage High 2021–2026
56.7 °F