Suisun Bay - McAvoy Boat Harbor Weather Forecast
- 61
- 76
Mostly Sunny
- 63
- 77
Mostly Sunny
- 64
- 78
Mostly Sunny
- 63
- 75
Mostly Sunny
- 62
- 76
Drizzle
- 61
- 75
Drizzle
- 61
- 76
Mostly Sunny
Today 5 Sep East Bay Interior Valleys
Sunny. Highs in the lower 80s. West Winds 10 to 15 Mph.
Tonight 5 Sep East Bay Interior Valleys
Mostly clear in the evening then becoming partly cloudy. Lows around 60. Southwest Winds 5 to 15 Mph.
Suisun Bay - McAvoy Boat Harbor Temperature Statistics
September Temperature
Concord, Buchanan Field (5.6 miles)
Lowest 3 September, 2025
60.1 °FAverage September
74.5 °FHighest 1 September, 2025
99 °F
Climate (2020–Present)
Concord, Buchanan Field (5.6 miles)
Average Low 2020–2025
50.7 °FAverage 2020–2025
61.4 °FAverage High 2020–2025
74.6 °F