Kemah Weather Forecast
- 82
- 92
Increasing Clouds
- 80
- 91
Slight Chance Thunderstorms
- 81
- 90
Partly Sunny
- 81
- 91
Partly Sunny
- 80
- 91
Mostly Sunny
- 78
- 90
Partly Sunny
Today 18 Jun Coastal Galveston
Mostly sunny. Highs in the lower 90s. South Winds 10 to 15 Mph. Heat index Values up to 114.
Tonight 18 Jun Coastal Galveston
Partly cloudy in the Evening, then becoming mostly cloudy. Humid with Lows in the lower 80s. South Winds 10 to 15 Mph. Heat index Values up to 112 early in the evening.
Kemah Temperature Statistics
June Temperature
Houston / Ellington (9.3 miles)
Lowest 3 June, 2026
73.4 °FAverage June
81.9 °FHighest 12 June, 2026
91.4 °F
Climate (2021–2026)
Houston / Ellington (9.3 miles)
Average Low 2021–2026
64.3 °FAverage 2021–2026
71.9 °FAverage High 2021–2026
80.3 °F