Jack London State Historic Park Weather Forecast
- 59
- 88
Increasing Clouds
- 61
- 88
Mostly Cloudy
- 61
- 91
Partly Sunny
- 58
- 90
Mostly Sunny
- 56
- 90
Mostly Sunny
- 54
- 86
Mostly Sunny
Today 11 Jul North Bay Interior Valleys
Mostly cloudy in the morning then becoming partly cloudy. Highs in the upper 70s to lower 90s. Southwest Winds 5 to 15 Mph.
Tonight 11 Jul North Bay Interior Valleys
Mostly cloudy. Lows in the mid 50s to upper 60s. Southwest Winds 5 to 15 Mph.
Jack London State Historic Park Temperature Statistics
July Temperature
Petaluma Municipal Airport (6.8 miles)
Lowest 1 July, 2026
46.4 °FAverage July
59.3 °FHighest 1 July, 2026
80.6 °F
Climate (2021–2026)
Petaluma Municipal Airport (6.8 miles)
Average Low 2021–2026
44.8 °FAverage 2021–2026
55.2 °FAverage High 2021–2026
68.5 °F