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.

Partly Cloudy

88°F

31°C

Humidity 63%
Wind Speed E 15 G 25 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 74°F (23°C)
Visibility 9.00 mi
Heat Index97°F (36°C)
Last update 9 Jul 9:56 am AST
Extended Forecast for

San Juan PR

Heat Advisory until July 9, 05:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 9, 05:00pm

    NOW until 5:00pm Thu

    Heat Advisory

  • Today

    High: 89 °F

    Haze then
    Isolated
    Showers

  • Tonight

    Tonight: Widespread haze. Mostly clear, with a low around 79. East wind 14 to 16 mph, with gusts as high as 21 mph.

    Low: 79 °F

    Haze

  • Friday

    Friday: Isolated showers after noon. Widespread haze. Sunny, with a high near 89. East wind 15 to 20 mph. Chance of precipitation is 10%.

    High: 89 °F

    Haze then
    Isolated
    Showers

  • Friday Night

    Friday Night: Isolated showers after midnight. Widespread haze. Mostly clear, with a low around 79. East wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.

    Low: 79 °F

    Haze then
    Isolated
    Showers

  • Saturday

    Saturday: Widespread haze. Sunny, with a high near 89. East northeast wind 15 to 20 mph.

    High: 89 °F

    Haze

  • Saturday Night

    Saturday Night: Isolated showers. Widespread haze. Partly cloudy, with a low around 79. East wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 79 °F

    Isolated
    Showers

  • Sunday

    Sunday: Widespread haze. Mostly sunny, with a high near 88. East northeast wind around 17 mph, with gusts as high as 22 mph.

    High: 88 °F

    Haze

  • Sunday Night

    Sunday Night: Widespread haze. Partly cloudy, with a low around 78. East wind 10 to 13 mph.

    Low: 78 °F

    Haze

Detailed Forecast

Today
Isolated showers after noon. Widespread haze. Mostly sunny, with a high near 89. Heat index values as high as 102. East wind 20 to 24 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tonight
Widespread haze. Mostly clear, with a low around 79. East wind 14 to 16 mph, with gusts as high as 21 mph.
Friday
Isolated showers after noon. Widespread haze. Sunny, with a high near 89. East wind 15 to 20 mph. Chance of precipitation is 10%.
Friday Night
Isolated showers after midnight. Widespread haze. Mostly clear, with a low around 79. East wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.
Saturday
Widespread haze. Sunny, with a high near 89. East northeast wind 15 to 20 mph.
Saturday Night
Isolated showers. Widespread haze. Partly cloudy, with a low around 79. East wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday
Widespread haze. Mostly sunny, with a high near 88. East northeast wind around 17 mph, with gusts as high as 22 mph.
Sunday Night
Widespread haze. Partly cloudy, with a low around 78. East wind 10 to 13 mph.
Monday
Scattered showers. Partly sunny, with a high near 88. East wind 13 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 79.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 79.
Wednesday
Mostly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Juan PR
 18.42°N 66.07°W (Elev. 26 ft)
Last Update:
3:33 am AST Jul 9, 2026
Forecast Valid:
10am AST Jul 9, 2026-6pm AST Jul 15, 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