Miami

Miami Ushers in Fall with Familiar Thunderstorms and High Humidity

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Published on September 22, 2025
Miami Ushers in Fall with Familiar Thunderstorms and High HumiditySource: Google Street View

As Miami welcomes the first day of fall, residents can expect a largely similar weather pattern to the one that closed out the summer season. The forecast for Miami today anticipates a high of 89°F with scattered thunderstorms and a 60% chance of rain, as reported by NBC Miami. The humidity will sit at around 79%, and light easterly winds will blow at 5 to 10 mph.

This evening, the chances for scattered thunderstorms drop slightly to 45%, with a slight decrease in humidity to 86% and northeastern winds estimated at 7 mph. Tonight could bring a low of 77°F, so those stepping out may need to prepare for potential inclement weather. Scattered thunderstorms, especially in the evening, could interrupt those enjoying the first sunset of the new season, as indicated by the same source.

The outlook for the week provided by the National Weather Service reflects a continued likelihood of showers and thunderstorms, making it a damp start to the fall. The pattern involves daily chances of precipitation ranging from 30 to 70 percent, coupled with highs persistently near the 89°F mark. Partly sunny days with the potential for thunderstorms, mainly in the afternoon, are also expected on most days.

Residents in Miami should also stay vigilant about the possibility of flooding. Flooding, identified as the primary concern, will pose a risk especially during these afternoon storms, a familiar feature that resonates throughout the week's forecast. While Miami transitions seasons, the overlap in conditions underscores a persistent meteorological theme — the afternoon downpour could be as regular as the sunrise and sunset times, which are 7:09 AM and 7:16 PM respectively today.

Miami-Weather & Environment