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

Severe Thunderstorms in the Southeast U.S. Saturday; Flash Flooding Threat for the Northern Gulf Coast

Isolated to scattered severe thunderstorms appear possible across portions of the Southeast and Carolinas on Saturday where a Slight Risk (Level 2 of 5) has been issued. A Slight Risk Excessive Rainfall Outlook (Level 2 of 4) has been issued for part of the northern Gulf Coast Saturday due to the threat of flash, urban, and riverine flooding. Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

82°F

28°C

Humidity 84%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 18 May 6:56 am AST
Extended Forecast for

Caguas PR

  • Today

    Today: Scattered showers, mainly after noon. Increasing clouds, with a high near 90. Heat index values as high as 102. Light east southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 50%.

    High: 90 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Tonight

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

    Low: 76 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, mainly after 9am. Mostly sunny, with a high near 89. Southeast wind 5 to 10 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    High: 89 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Mostly clear, with a low around 76. East southeast wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Mostly Clear
    then Isolated
    Showers

  • Monday

    Monday: Isolated showers. Mostly sunny, with a high near 89. East southeast wind 7 to 11 mph. Chance of precipitation is 20%.

    High: 89 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers. Mostly clear, with a low around 76. East southeast wind around 6 mph. Chance of precipitation is 10%.

    Low: 76 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. East southeast wind 7 to 10 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 76. East southeast wind 3 to 7 mph.

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly after noon. Partly sunny, with a high near 84. East southeast wind 7 to 9 mph. Chance of precipitation is 60%.

    High: 84 °F

    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

Today
Scattered showers, mainly after noon. Increasing clouds, with a high near 90. Heat index values as high as 102. Light east southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 50%.
Tonight
Scattered showers, mainly after 3am. Partly cloudy, with a low around 76. East southeast wind 3 to 5 mph. Chance of precipitation is 30%.
Sunday
Scattered showers, mainly after 9am. Mostly sunny, with a high near 89. Southeast wind 5 to 10 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Isolated showers. Mostly clear, with a low around 76. East southeast wind 3 to 5 mph. Chance of precipitation is 20%.
Monday
Isolated showers. Mostly sunny, with a high near 89. East southeast wind 7 to 11 mph. Chance of precipitation is 20%.
Monday Night
Isolated showers. Mostly clear, with a low around 76. East southeast wind around 6 mph. Chance of precipitation is 10%.
Tuesday
Mostly sunny, with a high near 88. East southeast wind 7 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 76. East southeast wind 3 to 7 mph.
Wednesday
Showers likely, mainly after noon. Partly sunny, with a high near 84. East southeast wind 7 to 9 mph. Chance of precipitation is 60%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 75. Chance of precipitation is 50%.
Thursday
Showers likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 76. Chance of precipitation is 50%.
Friday
Showers likely. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Caguas PR
 18.22°N 66.04°W (Elev. 233 ft)
Last Update:
4:08 am AST May 18, 2024
Forecast Valid:
7am AST May 18, 2024-6pm AST May 24, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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