National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Miami, Miami International Airport (KMIA)

Lat: 25.79°NLon: 80.32°WElev: 10ft.

A Few Clouds

79°F

26°C

Humidity 94%
Wind Speed Calm
Barometer 29.91 in (1012.9 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 3 Sep 5:53 am EDT
Extended Forecast for

Brownsville FL

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 90. Heat index values as high as 106. Calm wind becoming southeast 5 to 8 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 80. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 80 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 89. Heat index values as high as 105. Calm wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 80. Southeast wind 3 to 5 mph.

    Low: 80 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 90. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 78. Calm wind. Chance of precipitation is 60%.

    Low: 78 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 78. Light south wind. Chance of precipitation is 60%.

    Low: 78 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Labor Day

    Labor Day: Showers and thunderstorms, mainly after 2pm. High near 90. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 90 °F

    Chance
    T-storms then
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 90. Heat index values as high as 106. Calm wind becoming southeast 5 to 8 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 80. Southeast wind 3 to 5 mph. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 89. Heat index values as high as 105. Calm wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 80. Southeast wind 3 to 5 mph.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 90. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 78. Calm wind. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 78. Light south wind. Chance of precipitation is 60%.
Labor Day
Showers and thunderstorms, mainly after 2pm. High near 90. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%.
Monday Night
Showers and thunderstorms, mainly before 8pm. Low around 78. Chance of precipitation is 80%.
Tuesday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Brownsville FL
 25.81°N 80.23°W
Last Update:
4:11 am EDT Sep 3, 2026
Forecast Valid:
6am EDT Sep 3, 2026-6pm EDT Sep 9, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation