The rough water was caused by too many large boats going too fast through the water, not the weather.
On Saturday in Spicewood, TX, a city on Lake Travis, it was 88 degrees and partly cloudy. 0" of rain.
https://weather.com/weather/monthly/l/Spicewood+TX?canonicalCityId=d5dd17a8704d5640e313dda06b4ceb3625c6e2d0c7098e85a0b75314b39f3399