San Leon Weather Forecast
- 80
- 88
Increasing Clouds
- 81
- 87
Partly Sunny
- 82
- 88
Partly Sunny
- 82
- 88
Partly Sunny
- 82
- 88
Rain Showers Likely
- 78
- 87
Rain Showers Likely
Today 25 Sep Coastal Galveston
Mostly sunny. Highs around 90. Northeast Winds 5 to 10 Mph.
Tonight 25 Sep Coastal Galveston
Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 70s. East Winds 5 to 10 Mph.
San Leon Temperature Statistics
September Temperature
Galveston, Scholes Field (14.9 miles)
Lowest 4 September, 2026
75.7 °FAverage September
85.9 °FHighest 3 September, 2026
93.7 °F
Climate (2021–2026)
Galveston, Scholes Field (14.9 miles)
Average Low 2021–2026
68.6 °FAverage 2021–2026
73.9 °FAverage High 2021–2026
79.6 °F