Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

80°F

27°C

Humidity 85%
Wind Speed S 3 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 31 Aug 6:56 am AST
Extended Forecast for

2 Miles SE Caguas PR

Extreme Heat Warning August 31, 10:00am until August 31, 05:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Today

    Today: Scattered showers, mainly between noon and 3pm.  Mostly sunny, with a high near 93. Heat index values as high as 106. Light southeast wind becoming east southeast 5 to 10 mph in the morning.  Chance of precipitation is 30%.

    High: 93 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, mainly after midnight.  Partly cloudy, with a low around 76. Light east southeast wind.  Chance of precipitation is 50%.

    Low: 76 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Labor Day

    Labor Day: Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then isolated showers after 3pm.  Partly sunny, with a high near 93. Heat index values as high as 107. Southeast wind 5 to 10 mph.  Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 93 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Isolated showers.  Partly cloudy, with a low around 76. East southeast wind 3 to 5 mph.  Chance of precipitation is 10%.

    Low: 76 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers.  Mostly sunny, with a high near 91. East southeast wind 6 to 11 mph.  Chance of precipitation is 30%.

    High: 91 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers.  Partly cloudy, with a low around 76. East southeast wind 3 to 5 mph.  Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly before noon.  Mostly sunny, with a high near 91. East southeast wind 6 to 11 mph.  Chance of precipitation is 40%.

    High: 91 °F

    Scattered
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76. East wind 3 to 5 mph.

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: Scattered showers, mainly before noon.  Mostly sunny, with a high near 91. East wind 5 to 10 mph.  Chance of precipitation is 30%.

    High: 91 °F

    Scattered
    Showers then
    Mostly Sunny

Detailed Forecast

Today
Scattered showers, mainly between noon and 3pm. Mostly sunny, with a high near 93. Heat index values as high as 106. Light southeast wind becoming east southeast 5 to 10 mph in the morning. Chance of precipitation is 30%.
Tonight
Scattered showers, mainly after midnight. Partly cloudy, with a low around 76. Light east southeast wind. Chance of precipitation is 50%.
Labor Day
Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then isolated showers after 3pm. Partly sunny, with a high near 93. Heat index values as high as 107. Southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Isolated showers. Partly cloudy, with a low around 76. East southeast wind 3 to 5 mph. Chance of precipitation is 10%.
Tuesday
Scattered showers. Mostly sunny, with a high near 91. East southeast wind 6 to 11 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 76. East southeast wind 3 to 5 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers, mainly before noon. Mostly sunny, with a high near 91. East southeast wind 6 to 11 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 76. East wind 3 to 5 mph.
Thursday
Scattered showers, mainly before noon. Mostly sunny, with a high near 91. East wind 5 to 10 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 76.
Friday
Scattered showers. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 76.
Saturday
Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Caguas PR
 18.22°N 66.02°W (Elev. 203 ft)
5:05 am AST Aug 31, 2025
7am AST Aug 31, 2025-6pm AST Sep 6, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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