weather forecast in kemah tx
Kemah 5 Day Weather. 1  Thursday:The Kemah forecast for Mar 30 is 69 degrees and Moderate or heavy rain shower. There is 54 percentage chance of rain and 12 mph winds from the North-Northwest. 2  Friday:The Kemah forecast for Mar 31 is 74 degrees and Sunny. There is 50 percentage chance of rain and 4 mph winds from the South.