Weather forecasts for San José predict a shift in conditions for Sunday, June 21st. Analysis of meteorological phenomena and probability indicates a potential for cooler temperatures throughout the day. Residents can anticipate possible showers as well. Wind conditions are also expected to be a factor. The forecast is based on current weather patterns and predictive modeling. Further details regarding specific temperature ranges and wind speeds were not provided in the initial report, but updates are expected. This information aims to help residents prepare for changing weather conditions.