Clear Lake Weather Forecast
- 61
- 79
Mostly Sunny
- 64
- 90
Sunny
- 61
- 91
Mostly Sunny
- 55
- 84
Mostly Sunny
- 51
- 75
Mostly Sunny
- 52
- 69
Mostly Sunny
Today 29 May Southern Lake County
Mostly sunny. Highs 79 to 92.
Tonight 29 May Southern Lake County
Clear. Lows 57 to 67.
Clear Lake Temperature Statistics
May Temperature
Ukiah Municipal Airport (21.7 miles)
Lowest 5 May, 2025
42.7 °FAverage May
64.5 °FHighest 9 May, 2025
94.6 °F
Climate (2020–Present)
Ukiah Municipal Airport (21.7 miles)
Average Low 2020–2025
46.9 °FAverage 2020–2025
60.7 °FAverage High 2020–2025
76.3 °F