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

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

88°F

31°C

Humidity 66%
Wind Speed NE 15 G 25 mph
Barometer 30.07 in
Dewpoint 75°F (24°C)
Visibility 9.00 mi
Heat Index98°F (37°C)
Last update 12 Jul 1:56 pm AST
Extended Forecast for

Luis Muñoz Marín International Airport PR

Heat Advisory July 12, 02:36pm until July 12, 05:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 12, 02:36pm until July 12, 05:00pm

    NOW until 5:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 91 °F

    Isolated
    Showers

  • Tonight

    Tonight: Scattered showers, mainly after 3am. Widespread haze before 3am. Partly cloudy, with a low around 79. East wind 9 to 11 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

  • Monday

    Monday: Isolated showers between noon and 3pm. Widespread haze. Sunny, with a high near 91. Heat index values as high as 104. East wind 11 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 91 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Widespread haze. Clear, with a low around 79. East wind 9 to 11 mph.

    Low: 79 °F

    Haze

  • Tuesday

    Tuesday: Widespread haze. Sunny, with a high near 92. East wind 13 to 18 mph, with gusts as high as 23 mph.

    High: 92 °F

    Haze

  • Tuesday Night

    Tuesday Night: Widespread haze. Clear, with a low around 79. East wind 9 to 13 mph.

    Low: 79 °F

    Haze

  • Wednesday

    Wednesday: Widespread haze. Mostly sunny, with a high near 91. East northeast wind 13 to 18 mph, with gusts as high as 23 mph.

    High: 91 °F

    Haze

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. East wind around 11 mph.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Isolated showers. Widespread haze. Mostly sunny, with a high near 91. Heat index values as high as 103. East northeast wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tonight
Scattered showers, mainly after 3am. Widespread haze before 3am. Partly cloudy, with a low around 79. East wind 9 to 11 mph. Chance of precipitation is 30%.
Monday
Isolated showers between noon and 3pm. Widespread haze. Sunny, with a high near 91. Heat index values as high as 104. East wind 11 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Monday Night
Widespread haze. Clear, with a low around 79. East wind 9 to 11 mph.
Tuesday
Widespread haze. Sunny, with a high near 92. East wind 13 to 18 mph, with gusts as high as 23 mph.
Tuesday Night
Widespread haze. Clear, with a low around 79. East wind 9 to 13 mph.
Wednesday
Widespread haze. Mostly sunny, with a high near 91. East northeast wind 13 to 18 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 78. East wind around 11 mph.
Thursday
Scattered showers, mainly after noon. Mostly sunny, with a high near 91. East wind 11 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 78. Chance of precipitation is 30%.
Friday
Sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 79.
Saturday
Mostly sunny, with a high near 91.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Luis Muñoz Marín International Airport PR
 18.44°N 66.02°W (Elev. 7 ft)
Last Update:
2:07 am AST Jul 12, 2026
Forecast Valid:
2pm AST Jul 12, 2026-6pm AST Jul 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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