League City Weather Forecast
- 79
- 91
Chance Thunderstorms
- 77
- 92
Mostly Sunny
- 77
- 93
Mostly Sunny
- 77
- 93
Mostly Sunny
- 76
- 94
Chance Thunderstorms
- 78
- 95
Slight Chance Thunderstorms
- 78
- 94
Slight Chance Thunderstorms
Today 17 Sep Coastal Galveston
Partly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. East Winds around 15 Mph. Chance of rain 50 percent. Heat index Values up to 106.
Tonight 17 Sep Coastal Galveston
Partly cloudy in the Evening, then becoming mostly clear. Humid with Lows around 80. East Winds 10 to 15 Mph.
League City Temperature Statistics
September Temperature
Houston / Ellington (7.5 miles)
Lowest 10 September, 2026
77 °FAverage September
84.3 °FHighest 7 September, 2026
95 °F
Climate (2021–2026)
Houston / Ellington (7.5 miles)
Average Low 2021–2026
64.4 °FAverage 2021–2026
72 °FAverage High 2021–2026
80.5 °F