Murphy Lake Weather Forecast
- 48
- 73
Mostly Sunny
- 60
- 73
Rain Showers Likely
- 62
- 70
Rain Showers Likely
- 49
- 69
Chance Rain Showers
- 46
- 63
Partly Sunny
- 49
- 63
Partly Sunny
Today 28 Sep Washington
Sunny. Highs in the lower 70s. Calm Winds.
Tonight 28 Sep Washington
Mostly clear. Lows in the upper 40s. East Winds up to 5 Mph through around midnight becoming calm.
Murphy Lake Temperature Statistics
September Temperature
Waukesha County Airport (13.7 miles)
Lowest 26 September, 2026
44.6 °FAverage September
64.4 °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