Hatfield, if you’re considering Marble Falls/ Austin for yourself, its not uncommon for Austin to be blazing hot in August and September, with many days in the 100s. Its not exactly considered freaky weather wise. Austin can be quite humid as well, although not nearly as humid as Houston or as often. Also unless you are retired, Marble Falls is not where you want to live because you’d be commuting 2hrs each way to Austin.