Aransas Bay - Lyndon B Johnson Causeway UV IndexUnited StatesTXAransas CountyAransas Bay - Lyndon B Johnson Causeway1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAAransas Bay - Lyndon B Johnson Causeway UV forecast issued today at 1:17 pm. Next forecast at approx. 1:17 pm.Get WillyWeather+ to remove ads