Laguna Lake Weather Forecast
- 54
- 88
Sunny
- 57
- 84
Partly Sunny
- 58
- 76
Mostly Cloudy
- 58
- 75
Slight Chance Rain Showers
- 56
- 76
Partly Sunny
- 56
- 75
Mostly Sunny
Today 16 Sep North Bay Interior Valleys
Sunny. Highs in the lower 80s to mid 90s. South Winds 5 to 10 Mph.
Tonight 16 Sep North Bay Interior Valleys
Clear. Lows in the lower 50s to mid 60s. West Winds 5 to 10 Mph.
Laguna Lake Temperature Statistics
September Temperature
Petaluma Municipal Airport (8.1 miles)
Lowest 7 September, 2025
50 °FAverage September
62.6 °FHighest 1 September, 2025
93.2 °F
Climate (2020–Present)
Petaluma Municipal Airport (8.1 miles)
Average Low 2020–2025
44.4 °FAverage 2020–2025
55.2 °FAverage High 2020–2025
69.1 °F