Carquinez Strait - Mare Island Strait Entrance Weather Forecast
- 56
- 73
Mostly Sunny
- 55
- 68
Increasing Clouds
- 55
- 68
Partly Sunny
- 57
- 67
Mostly Cloudy
- 58
- 67
Mostly Cloudy
- 58
- 71
Partly Sunny
- 57
- 71
Partly Sunny
Today 16 Jul Southwestern Solano County Including Vallejo
Sunny. Highs 78 to 88. Southwest Winds 10 to 20 Mph with Gusts to around 30 Mph.
Tonight 16 Jul Southwestern Solano County Including Vallejo
Clear. Lows around 56. Southwest Winds 10 to 15 Mph with Gusts to around 25 Mph.
Carquinez Strait - Mare Island Strait Entrance Temperature Statistics
July Temperature
Napa, Napa County Airport (9.3 miles)
Lowest 11 July, 2026
48.7 °FAverage July
65.4 °FHighest 13 July, 2026
88 °F
Climate (2021–2026)
Napa, Napa County Airport (9.3 miles)
Average Low 2021–2026
47.3 °FAverage 2021–2026
58.4 °FAverage High 2021–2026
70.2 °F