Guerneville Weather Forecast
- 47
- 69
Mostly Sunny
- 50
- 70
Partly Sunny
- 46
- 64
Mostly Sunny
- 47
- 69
Mostly Sunny
- 48
- 71
Mostly Sunny
- 49
- 68
Partly Sunny
Today 1 May North Bay Interior Valleys
Sunny. Patchy fog in the morning. Highs in the 60s to 70s. Southwest Winds 5 to 10 Mph.
Tonight 1 May North Bay Interior Valleys
Mostly clear except patchy fog after midnight. Lows in the mid 40s to lower 50s. West Winds 5 to 15 Mph.
Guerneville Temperature Statistics
May Temperature
Santa Rosa, Santa Rosa Sonoma County Airport (9.3 miles)
Lowest
–Average May
–Highest
–
Climate (2020–Present)
Santa Rosa, Santa Rosa Sonoma County Airport (9.3 miles)
Average Low 2020–2025
45.4 °FAverage 2020–2025
57.7 °FAverage High 2020–2025
72.8 °F