Murphy Lake Weather Forecast
- 59
- 78
Increasing Clouds
- 67
- 81
Rain Showers Likely
- 57
- 80
Chance Rain Showers
- 54
- 75
Mostly Sunny
- 61
- 79
Chance Rain Showers
- 58
- 79
Partly Sunny
Today 7 Sep Washington
Sunny. Highs in the upper 70s. Southeast Winds 5 to 10 Mph.
Tonight 7 Sep Washington
Partly cloudy. Lows in the upper 50s. Southeast Winds up to 5 Mph.
Murphy Lake Temperature Statistics
September Temperature
Waukesha County Airport (13.7 miles)
Lowest 5 September, 2026
64.4 °FAverage September
74.7 °FHighest 1 September, 2026
87.8 °F
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