Jack London State Historic Park Weather Forecast
- 66
- 99
Hot
- 64
- 98
Hot
- 66
- 99
Hot
- 64
- 99
Hot
- 61
- 97
Hot
- 59
- 95
Mostly Sunny
- 53
- 83
Mostly Sunny
Today 3 Oct North Bay Interior Valleys
Partly cloudy in the morning then becoming sunny. Highs in the upper 60s to lower 80s.
Tonight 3 Oct North Bay Interior Valleys
Mostly clear. Lows in the upper 50s to lower 70s. Northwest Winds 5 to 10 Mph.
Jack London State Historic Park Temperature Statistics
October Temperature
Petaluma Municipal Airport (6.8 miles)
Lowest 1 October, 2026
44.6 °FAverage October
61.1 °FHighest 1 October, 2026
89.6 °F
Climate (2021–2026)
Petaluma Municipal Airport (6.8 miles)
Average Low 2021–2026
44.7 °FAverage 2021–2026
55.2 °FAverage High 2021–2026
68.5 °F