News Headlines
Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

84°F

29°C

Humidity 70%
Wind Speed E 17 mph
Barometer 30.08 in
Dewpoint 73°F (23°C)
Visibility 8.00 mi
Heat Index90°F (32°C)
Last update 12 Jul 7:56 am AST
Extended Forecast for

4 Miles S Trujillo Alto PR

Heat Advisory July 12, 10:00am until July 12, 05:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Scattered showers after noon.  Widespread haze before noon. Mostly sunny, with a high near 88. East northeast wind 10 to 15 mph.  Chance of precipitation is 30%.

    High: 88 °F

    Haze then
    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, mainly after 3am.  Widespread haze before 3am. Partly cloudy, with a low around 74. East northeast wind 3 to 6 mph.  Chance of precipitation is 40%.

    Low: 74 °F

    Scattered
    Showers

  • Monday

    Monday: Isolated showers before 9am.  Widespread haze. Sunny, with a high near 89. East wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 89 °F

    Isolated
    Showers then
    Haze

  • Monday Night

    Monday Night: Widespread haze. Clear, with a low around 74. East wind 6 to 8 mph.

    Low: 74 °F

    Haze

  • Tuesday

    Tuesday: Widespread haze. Sunny, with a high near 89. East wind 11 to 15 mph, with gusts as high as 20 mph.

    High: 89 °F

    Haze

  • Tuesday Night

    Tuesday Night: Widespread haze. Clear, with a low around 74. East wind 6 to 8 mph.

    Low: 74 °F

    Haze

  • Wednesday

    Wednesday: Widespread haze. Mostly sunny, with a high near 89. East wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 89 °F

    Haze

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. East wind around 7 mph.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Scattered showers, mainly after noon.  Mostly sunny, with a high near 89. East wind 9 to 15 mph.  Chance of precipitation is 30%.

    High: 89 °F

    Mostly Sunny
    then
    Scattered
    Showers

Detailed Forecast

Today
Scattered showers after noon. Widespread haze before noon. Mostly sunny, with a high near 88. East northeast wind 10 to 15 mph. Chance of precipitation is 30%.
Tonight
Scattered showers, mainly after 3am. Widespread haze before 3am. Partly cloudy, with a low around 74. East northeast wind 3 to 6 mph. Chance of precipitation is 40%.
Monday
Isolated showers before 9am. Widespread haze. Sunny, with a high near 89. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Widespread haze. Clear, with a low around 74. East wind 6 to 8 mph.
Tuesday
Widespread haze. Sunny, with a high near 89. East wind 11 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Widespread haze. Clear, with a low around 74. East wind 6 to 8 mph.
Wednesday
Widespread haze. Mostly sunny, with a high near 89. East wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 73. East wind around 7 mph.
Thursday
Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East wind 9 to 15 mph. Chance of precipitation is 30%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Friday
Sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 74.
Saturday
Mostly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Trujillo Alto PR
 18.31°N 66.01°W (Elev. 610 ft)
2:07 am AST Jul 12, 2026
8am AST Jul 12, 2026-6pm AST Jul 18, 2026
 
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