Murphy Lake Weather Forecast
- 61
- 69
Mostly Cloudy
- 58
- 74
Chance Rain Showers
- 60
- 70
Rain Showers
- 60
- 73
Rain Showers Likely
- 56
- 67
Chance Rain Showers
- 54
- 67
Chance Rain Showers
Today 16 Sep Washington
Mostly cloudy. Highs in the upper 60s. East Winds 5 to 10 Mph.
Tonight 16 Sep Washington
Partly cloudy in the evening then becoming mostly cloudy. A 30 percent chance of light rain Showers in the late evening and overnight. Near steady temperature in the lower 60s. East Winds up to 5 Mph through around midnight becoming calm.
Murphy Lake Temperature Statistics
September Temperature
Waukesha County Airport (13.7 miles)
Lowest 13 September, 2026
50 °FAverage September
69.6 °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
56.7 °F