Murphy Lake Weather Forecast
- 50
- 61
Increasing Clouds
- 51
- 64
Mostly Sunny
- 51
- 64
Partly Sunny
- 49
- 65
Partly Sunny
- 50
- 65
Mostly Cloudy
- 52
- 66
Mostly Cloudy
- 54
- 70
Mostly Cloudy
Today 22 Sep Washington
Partly sunny with a 30 percent chance of light rain Showers. Highs around 70.
Tonight 22 Sep Washington
Mostly clear. Lows in the upper 40s. Northeast Winds 5 to 10 Mph.
Murphy Lake Temperature Statistics
September Temperature
Waukesha County Airport (13.7 miles)
Lowest 14 September, 2026
46.4 °FAverage September
67 °FHighest 1 September, 2026
87.8 °F
Climate (2021–2026)
Waukesha County Airport (13.7 miles)
Average Low 2021–2026
38.8 °FAverage 2021–2026
46.2 °FAverage High 2021–2026
56.6 °F