League City Weather Forecast
- 78
- 98
Hot
- 78
- 98
Slight Chance Thunderstorms
- 78
- 98
Hot
- 78
- 97
Hot
- 77
- 96
Mostly Sunny
- 78
- 97
Mostly Sunny
Today 21 Aug Coastal Galveston
Sunny, hot with Highs in the mid 90s. Southwest Winds 5 to 10 Mph, becoming south 10 to 15 Mph this afternoon. Heat index Values up to 112.
Tonight 21 Aug Coastal Galveston
Mostly clear. A slight chance of Showers with isolated Thunderstorms in the evening. Humid with Lows in the upper 70s. Southwest Winds 10 to 15 Mph. Chance of rain 20 percent. Heat index Values up to 109 early in the evening.
League City Temperature Statistics
August Temperature
Houston / Ellington (7.5 miles)
Lowest 17 August, 2026
73.4 °FAverage August
85.5 °FHighest 1 August, 2026
95 °F
Climate (2021–2026)
Houston / Ellington (7.5 miles)
Average Low 2021–2026
64.3 °FAverage 2021–2026
72 °FAverage High 2021–2026
80.4 °F