Island Slough Weather Forecast
- 59
- 75
Increasing Clouds
- 58
- 74
Partly Sunny
- 59
- 76
Mostly Sunny
- 58
- 77
Mostly Sunny
- 56
- 78
Mostly Sunny
- 57
- 80
Mostly Sunny
Today 31 Aug Southwestern Solano County Including Vallejo
Mostly sunny. Highs 67 to 77. Southwest Winds 10 to 20 Mph with Gusts to around 30 Mph.
Tonight 31 Aug Southwestern Solano County Including Vallejo
Mostly clear in the evening then becoming mostly cloudy. Breezy. Lows around 57. Southwest Winds 15 to 25 Mph with Gusts to around 35 Mph.
Island Slough Temperature Statistics
August Temperature
Fairfield / Travis Air Force Base (6.8 miles)
Lowest 20 August, 2026
56.1 °FAverage August
72.6 °FHighest 3 August, 2026
104.9 °F
Climate (2021–2026)
Fairfield / Travis Air Force Base (6.8 miles)
Average Low 2021–2026
48.9 °FAverage 2021–2026
60.5 °FAverage High 2021–2026
74.7 °F