Murphy Lake Weather Forecast
- 57
- 69
Decreasing Clouds
- 58
- 68
Rain Showers
- 59
- 68
Rain Showers
- 55
- 65
Chance Rain Showers
- 51
- 61
Chance Rain Showers
- 51
- 60
Partly Sunny
- 53
- 65
Mostly Cloudy
Today 17 Sep Washington
Partly sunny. Highs in the upper 60s.
Tonight 17 Sep Washington
Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 50s. Northeast Winds up to 5 Mph.
Murphy Lake Temperature Statistics
September Temperature
Waukesha County Airport (13.7 miles)
Lowest 14 September, 2026
46.4 °FAverage September
68.6 °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
56.6 °F