Oak Bayou Weather Forecast
- 83
- 91
Slight Chance Thunderstorms
- 82
- 91
Slight Chance Thunderstorms
- 82
- 91
Chance Thunderstorms
- 82
- 89
Chance Thunderstorms
- 83
- 89
Slight Chance Thunderstorms
- 83
- 89
Mostly Sunny
Today 6 Aug Galveston Island
Sunny with a slight chance of Showers and Thunderstorms. Humid with Highs in the lower 90s. South Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 105.
Tonight 6 Aug Galveston Island
Mostly clear. Humid with Lows in the lower 80s. South Winds 10 to 15 Mph.
Oak Bayou Temperature Statistics
August Temperature
Galveston, Scholes Field (6.8 miles)
Lowest 3 August, 2026
81 °FAverage August
87.2 °FHighest 2 August, 2026
94.6 °F
Climate (2021–2026)
Galveston, Scholes Field (6.8 miles)
Average Low 2021–2026
68.6 °FAverage 2021–2026
73.9 °FAverage High 2021–2026
79.6 °F