Hidden Valley Lake Weather Forecast
- 50
- 83
Mostly Sunny
- 51
- 83
Mostly Sunny
- 51
- 83
Mostly Sunny
- 53
- 83
Mostly Sunny
- 56
- 88
Sunny
- 56
- 92
Sunny
Today 23 Jul Southern Lake County
Mostly sunny. Highs 75 to 86.
Tonight 23 Jul Southern Lake County
Mostly clear. Lows 50 to 60.
Hidden Valley Lake Temperature Statistics
July Temperature
Santa Rosa, Santa Rosa Sonoma County Airport (24.9 miles)
Lowest 5 July, 2025
45.6 °FAverage July
65.7 °FHighest 10 July, 2025
93.7 °F
Climate (2020–Present)
Santa Rosa, Santa Rosa Sonoma County Airport (24.9 miles)
Average Low 2020–2025
45.3 °FAverage 2020–2025
57.8 °FAverage High 2020–2025
72.8 °F