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

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

82°F

28°C

Humidity 84%
Wind Speed E 6 mph
Barometer 30.02 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 13 Aug 4:56 am AST
Extended Forecast for

San Juan PR

  • Overnight

    Overnight: Scattered showers. Partly cloudy, with a low around 79. East southeast wind around 10 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

  • Thursday

    Thursday: Isolated showers between noon and 3pm. Widespread haze. Mostly sunny, with a high near 92. Heat index values as high as 103. East wind 13 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 92 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Isolated showers after 9pm. Widespread haze. Partly cloudy, with a low around 80. East wind around 14 mph. Chance of precipitation is 10%.

    Low: 80 °F

    Isolated
    Showers

  • Friday

    Friday: Isolated showers after 9am. Mostly sunny, with a high near 92. Heat index values as high as 103. East wind 15 to 20 mph. Chance of precipitation is 20%.

    High: 92 °F

    Isolated
    Showers

  • Friday Night

    Friday Night: Isolated showers. Partly cloudy, with a low around 81. East wind around 14 mph. Chance of precipitation is 20%.

    Low: 81 °F

    Isolated
    Showers

  • Saturday

    Saturday: Isolated showers. Mostly sunny, with a high near 89. East northeast wind 15 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 10%.

    High: 89 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 79. East northeast wind 13 to 17 mph.

    Low: 79 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after noon. Mostly cloudy, with a high near 87. East wind 17 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 87 °F

    Scattered
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely. Cloudy, with a low around 79. East wind 8 to 10 mph. Chance of precipitation is 70%.

    Low: 79 °F

    Showers
    Likely

Detailed Forecast

Overnight
Scattered showers. Partly cloudy, with a low around 79. East southeast wind around 10 mph. Chance of precipitation is 30%.
Thursday
Isolated showers between noon and 3pm. Widespread haze. Mostly sunny, with a high near 92. Heat index values as high as 103. East wind 13 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Thursday Night
Isolated showers after 9pm. Widespread haze. Partly cloudy, with a low around 80. East wind around 14 mph. Chance of precipitation is 10%.
Friday
Isolated showers after 9am. Mostly sunny, with a high near 92. Heat index values as high as 103. East wind 15 to 20 mph. Chance of precipitation is 20%.
Friday Night
Isolated showers. Partly cloudy, with a low around 81. East wind around 14 mph. Chance of precipitation is 20%.
Saturday
Isolated showers. Mostly sunny, with a high near 89. East northeast wind 15 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 10%.
Saturday Night
Partly cloudy, with a low around 79. East northeast wind 13 to 17 mph.
Sunday
Showers likely, mainly after noon. Mostly cloudy, with a high near 87. East wind 17 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Sunday Night
Showers likely. Cloudy, with a low around 79. East wind 8 to 10 mph. Chance of precipitation is 70%.
Monday
Showers likely. Cloudy, with a high near 89. Chance of precipitation is 70%.
Monday Night
Showers likely. Mostly cloudy, with a low around 79. Chance of precipitation is 60%.
Tuesday
Scattered showers. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 80. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Juan PR
 18.41°N 66.08°W (Elev. 16 ft)
Last Update:
3:50 am AST Aug 13, 2026
Forecast Valid:
5am AST Aug 13, 2026-6pm AST Aug 19, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation