This week in Miami, expect a rollercoaster of weather conditions! With everything from partly cloudy skies and high UV indexes to forecasts of thunderstorms and cooling trends—stay informed and prepared with our detailed guide.

In this comprehensive guide, delve into the weather dynamics expected over the week in Miami. Starting with a sunny yet partly cloudy Wednesday, to thunderstorms rolling in on Friday, followed by an unpredictable weekend. We’ll also cover safety tips regarding the high UV index and how to best prepare for sudden weather shifts. Whether you’re planning outdoor activities or needing to navigate storm warnings, our insights will keep you one step ahead of the weather.
A band of rain is sweeping through Florida, bringing showers to Jacksonville and heavy rain near Tampa. Meanwhile, Miami is seeing scattered thunderstorms pushing northward. Across the Gulf Coast, cloud cover is thickening over New Orleans with light precipitation expected soon. The rest of the Southeast, including Atlanta and Charlotte, remains under dry conditions with clouds building from the south.
Expect a warm start in Miami tomorrow morning with sunshine and temperatures rising from 83 degrees at 9 a.m. to 87 degrees by 11 a.m. Winds will be gentle from the southwest. Clouds are not expected until midday, ensuring a bright morning for any outdoor activities.
Tomorrow in Atlanta, expect a high of 59 degrees, which is notably cooler than average for this time of year. Nashville will see a high of 63, while Memphis warms up to a more pleasant 69 degrees. Further south, New Orleans is forecasted to reach 74 degrees, and Houston will enjoy a high of 76. In Florida, temperatures will rise significantly with Miami hitting 77 degrees, indicating a warm trend in the region.
An approaching cold front means a busy weather day in the Southeast. Starting from the Gulf Coast, storms are expected to develop from Houston to New Orleans, moving into Mississippi and Alabama by late morning. The risk for severe weather, including damaging winds and flash flooding, increases by late afternoon, especially in the Florida Panhandle and southern Georgia. Temperatures will drop significantly behind the front, with cooler, drier conditions prevailing for the next few days in the region. More than an inch of rain is possible, especially in low-lying areas, keeping an eye on those flood warnings.
The UV index in Miami is 8 today, which indicates a very high risk of harm from unprotected sun exposure, with a burn time of about 20 minutes. Tomorrow, the UV index decreases slightly to 5, reducing the burn time to about 12 minutes. Even with the clouds, it’s crucial to apply sunscreen and wear protective clothing while outdoors!
For the 7 day forecast in Miami: Wednesday: Expect a partly cloudy day with a high of 88 degrees and a low of 78. Thursday: Similar conditions continue with a high of 87 degrees and a low of 77. Friday: Thunderstorms are likely, as temperatures reach 84 degrees during the day, cooling to 76 at night. Saturday: Prepare for scattered thunderstorms with a high of 85 degrees and a low of 76. Sunday: The weather remains cloudy, with temperatures peaking at 86 degrees and a low of 76. Monday: It’s partly cloudy with a daytime high of 86 degrees, cooling to 78 degrees overnight. Tuesday: Expect a return to sunnier skies, as temperatures hit a high of 86 degrees and a low of 78.