Severe Thunderstorms and Flash Flooding Potential Across the Gulf Coast States

Strong to severe thunderstorms capable of producing large hail, damaging winds, a few tornadoes and heavy rain will be in play across the western and central Gulf Coast over the next few days. Multiple rounds of heavy rainfall may lead to considerable flash and urban flooding especially within vulnerable areas. New and renewed river flooding will also be possible. Read More >

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

89°F

32°C

Humidity 70%
Wind Speed E 17 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 78°F (26°C)
Visibility 9.00 mi
Heat Index103°F (39°C)
Last update 13 May 2:56 pm AST
Extended Forecast for

San Juan PR

Heat Advisory May 13, 03:18pm until May 13, 05:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory May 13, 03:18pm until May 13, 05:00pm

    NOW until 5:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 90 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers before 9pm, then isolated showers after midnight.  Mostly clear, with a low around 78. East southeast wind around 7 mph.  Chance of precipitation is 10%.

    Low: 78 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly after noon.  Mostly sunny, with a high near 89. East northeast wind 8 to 14 mph.  Chance of precipitation is 30%.

    High: 89 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers.  Partly cloudy, with a low around 78. East wind 6 to 9 mph.  Chance of precipitation is 20%.

    Low: 78 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Scattered showers.  Partly sunny, with a high near 89. East northeast wind 6 to 14 mph.  Chance of precipitation is 40%.

    High: 89 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers.  Partly cloudy, with a low around 78. East wind around 8 mph.  Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Thursday

    Thursday: Sunny, with a high near 89. East wind 7 to 11 mph.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 78. East southeast wind 6 to 8 mph.

    Low: 78 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Scattered showers. Partly sunny, with a high near 90. Heat index values as high as 102. East wind around 11 mph. Chance of precipitation is 40%.
Tonight
Isolated showers before 9pm, then isolated showers after midnight. Mostly clear, with a low around 78. East southeast wind around 7 mph. Chance of precipitation is 10%.
Tuesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East northeast wind 8 to 14 mph. Chance of precipitation is 30%.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 78. East wind 6 to 9 mph. Chance of precipitation is 20%.
Wednesday
Scattered showers. Partly sunny, with a high near 89. East northeast wind 6 to 14 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 78. East wind around 8 mph. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 89. East wind 7 to 11 mph.
Thursday Night
Partly cloudy, with a low around 78. East southeast wind 6 to 8 mph.
Friday
Scattered showers, mainly before noon. Mostly sunny, with a high near 90. East wind 6 to 13 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 79.
Saturday
Scattered showers. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 78.
Sunday
Sunny, with a high near 89.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
San Juan PR
 18.4°N 66.07°W (Elev. 56 ft)
12:13 pm AST May 13, 2024
3pm AST May 13, 2024-6pm AST May 19, 2024
 
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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