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

84°F

29°C

Humidity 74%
Wind Speed SE 8 mph
Barometer 29.93 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 14 Nov 5:56 am AST
Extended Forecast for

San Lorenzo PR

Heat Advisory November 14, 10:00am until November 14, 05:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Scattered showers, mainly after 3pm. Mostly sunny, with a high near 87. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 75. South southeast wind 6 to 8 mph.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Isolated showers before 9am. Sunny, with a high near 88. Southeast wind 5 to 11 mph. Chance of precipitation is 10%.

    High: 88 °F

    Isolated
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Isolated showers after midnight. Partly cloudy, with a low around 73. Light east southeast wind. Chance of precipitation is 20%.

    Low: 73 °F

    Mostly Clear
    then Isolated
    Showers

  • Monday

    Monday: Scattered showers. Mostly sunny, with a high near 88. Light east wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Isolated showers after midnight. Mostly clear, with a low around 73. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.

    Low: 73 °F

    Mostly Clear
    then Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers. Mostly sunny, with a high near 87. East wind 5 to 9 mph. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Partly cloudy, with a low around 73. Light east wind. Chance of precipitation is 30%.

    Low: 73 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 87. Light east wind becoming east southeast 5 to 9 mph in the morning. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

Detailed Forecast

Today
Scattered showers, mainly after 3pm. Mostly sunny, with a high near 87. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tonight
Mostly clear, with a low around 75. South southeast wind 6 to 8 mph.
Sunday
Isolated showers before 9am. Sunny, with a high near 88. Southeast wind 5 to 11 mph. Chance of precipitation is 10%.
Sunday Night
Isolated showers after midnight. Partly cloudy, with a low around 73. Light east southeast wind. Chance of precipitation is 20%.
Monday
Scattered showers. Mostly sunny, with a high near 88. Light east wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 30%.
Monday Night
Isolated showers after midnight. Mostly clear, with a low around 73. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.
Tuesday
Scattered showers. Mostly sunny, with a high near 87. East wind 5 to 9 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 73. Light east wind. Chance of precipitation is 30%.
Wednesday
Scattered showers. Partly sunny, with a high near 87. Light east wind becoming east southeast 5 to 9 mph in the morning. Chance of precipitation is 40%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Thursday
Scattered showers. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 73.
Friday
Scattered showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Lorenzo PR
 18.2°N 65.98°W (Elev. 299 ft)
Last Update:
3:23 am AST Nov 14, 2026
Forecast Valid:
6am AST Nov 14, 2026-6pm AST Nov 20, 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