Miami, Florida – Spring heat is making a strong comeback across South Florida as Miami braces for highs near 90°F and a rising storm risk by Thursday. Drivers along I-95 should plan for possible delays Thursday afternoon, when a weather alert flags a 20% chance of thunderstorms after 2 p.m.
According to the National Weather Service in Miami, Monday (May 19) will be mostly sunny with a high near 86°F and gentle southeast winds around 10 mph. Clear, mild nights continue through Wednesday, with low temperatures hovering near 79°F and no rain expected.
Daytime heat builds steadily through midweek. Miami is projected to reach 87°F Tuesday and 88°F Wednesday, prompting health officials to urge residents to stay hydrated, limit midday outdoor activity, and check on vulnerable neighbors.
Thursday marks a potential shift, with NWS forecasting partly cloudy skies and the first rain chances of the week. A 20% chance of showers and thunderstorms could develop after 2 p.m., particularly impacting late-day commuters on major routes like I-95 and U.S. Route 1. The slight rain chance continues Thursday night (10%), before conditions dry again Friday.
5-Day Spring Weather Outlook for Miami:
- Monday: Sunny, high near 86°F
- Tuesday: Sunny, high near 87°F
- Wednesday: Sunny, high near 88°F
- Thursday: Mostly sunny, 20% storm chance after 2 p.m., high near 90°F
- Friday: Sunny, high near 87°F


