Friess Lake Weather Forecast
- 64
- 82
Slight Chance Thunderstorms
- 59
- 81
Becoming Sunny
- 63
- 84
Mostly Sunny
- 66
- 88
Slight Chance Thunderstorms
- 65
- 83
Chance Thunderstorms
- 62
- 79
Chance Thunderstorms
- 60
- 82
Mostly Sunny
Today 27 Jul Washington
Showers and scattered Thunderstorms. Some Thunderstorms may be severe with damaging Winds and large hail. West Winds 10 to 15 Mph. Chance of precipitation 90 percent.
Tonight 27 Jul Washington
Mostly cloudy with a 20 percent chance of light Showers and Thunderstorms through around Midnight, then partly cloudy after midnight. Lows in the mid 60s. North Winds 5 to 15 Mph.
Friess Lake Temperature Statistics
July Temperature
Waukesha County Airport (13.7 miles)
Lowest 22 July, 2026
53.6 °FAverage July
75.4 °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
56.6 °F