South Shore Harbor Weather Forecast
- 79
- 95
Decreasing Clouds
- 79
- 96
Partly Sunny
- 79
- 97
Hot
- 79
- 98
Hot
- 78
- 98
Hot
- 78
- 97
Mostly Sunny
Today 18 Aug Coastal Galveston
Mostly sunny. Humid with Highs in the lower 90s. West Winds around 5 Mph, becoming south in the afternoon. Heat index Values up to 108.
Tonight 18 Aug Coastal Galveston
Mostly clear. Near steady temperature around 80. Southwest Winds around 5 Mph.
South Shore Harbor Temperature Statistics
August Temperature
Houston / Ellington (6.8 miles)
Lowest 4 August, 2026
75.2 °FAverage August
85.3 °FHighest 1 August, 2026
95 °F
Climate (2021–2026)
Houston / Ellington (6.8 miles)
Average Low 2021–2026
64.3 °FAverage 2021–2026
72 °FAverage High 2021–2026
80.4 °F