Local Forecast: High temps, 100°+ heat index, and afternoon thunderstorms with heavy rain & wind Sunday Morning WX Report Morning Forecast: Sunday, July 5, 2026 ORLANDO, Fla. — More heat and humidity today will increase the likelihood of thunderstorms in the afternoon and evening. High temperatures will once again remain in the low to mid-90s across the entire area. Sunday Morning WX Report Morning Forecast: Sunday, July 5, 2026 The heat index will be over 100° across central Florida.