Bethel Island Weather Forecast
- 48
- 69
Increasing Clouds
- 48
- 72
Mostly Sunny
- 47
- 71
Mostly Sunny
- 49
- 73
Mostly Sunny
- 49
- 73
Partly Sunny
- 49
- 71
Partly Sunny
Today 4 Nov East Bay Interior Valleys
Sunny. Highs in the upper 60s. Northwest Winds 5 to 10 Mph.
Tonight 4 Nov East Bay Interior Valleys
Mostly cloudy. Lows in the upper 40s. West Winds up to 5 Mph.
Bethel Island Temperature Statistics
November Temperature
Concord, Buchanan Field (22.4 miles)
Lowest 2 November, 2026
46 °FAverage November
56.3 °FHighest 1 November, 2026
66.9 °F
Climate (2021–2026)
Concord, Buchanan Field (22.4 miles)
Average Low 2021–2026
51.1 °FAverage 2021–2026
61.7 °FAverage High 2021–2026
74.3 °F