Friess Lake Weather Forecast
- 71
- 88
Mostly Cloudy
- 68
- 88
Chance Thunderstorms
- 68
- 84
Rain Showers Likely
- 67
- 83
Chance Thunderstorms
- 65
- 82
Slight Chance Rain Showers
- 62
- 80
Partly Sunny
Today 1 Sep Washington
Warm and humid. Partly sunny. Patchy fog in the morning. Highs in the upper 80s. Southwest Winds up to 10 Mph. Highest heat index Readings 95 to 97 in the afternoon.
Tonight 1 Sep Washington
Partly cloudy. Patchy fog early in the morning. Near steady temperature around 70. Calm Winds.
Friess Lake Temperature Statistics
September Temperature
Waukesha County Airport (13.7 miles)
Lowest
–Average September
–Highest
–
Climate (2021–2026)
Waukesha County Airport (13.7 miles)
Average Low 2021–2026
38.7 °FAverage 2021–2026
46.2 °FAverage High 2021–2026
56.6 °F