Murphy Lake Weather Forecast
- 60
- 72
Rain Showers Likely
- 62
- 69
Rain Showers
- 49
- 68
Rain Showers
- 45
- 64
Partly Sunny
- 47
- 62
Partly Sunny
- 42
- 63
Mostly Sunny
Today 29 Sep Washington
Sunny late in the morning then becoming partly sunny. Highs in the lower 70s. South Winds 5 to 10 Mph.
Tonight 29 Sep Washington
Warmer, cloudy. Chance of light rain Showers late in the evening. Slight chance of Thunderstorms after midnight. Light rain Showers likely after midnight. Lows in the upper 50s. South Winds 5 to 10 Mph. Chance of precipitation 70 percent.
Murphy Lake Temperature Statistics
September Temperature
Waukesha County Airport (13.7 miles)
Lowest 26 September, 2026
44.6 °FAverage September
64 °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