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Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

79°F

26°C

Humidity 74%
Wind Speed E 3 mph
Barometer 29.94 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 15 Apr 7:56 am AST
Extended Forecast for

San Juan PR

  • Today

    Today: Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 86. Light southeast wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 86 °F

    Scattered
    Showers then
    Showers
    Likely

  • Tonight

    Tonight: Scattered showers, mainly after midnight. Partly cloudy, with a low around 73. Southeast wind 3 to 7 mph. Chance of precipitation is 50%.

    Low: 73 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers, then showers and possibly a thunderstorm after noon. High near 86. East wind 8 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 86 °F

    Scattered
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before midnight, then isolated showers between midnight and 3am, then showers likely and possibly a thunderstorm after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 73. East southeast wind 8 to 10 mph. Chance of precipitation is 70%.

    Low: 73 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 85. East wind around 10 mph. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 73. East wind around 7 mph. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly after noon. Mostly cloudy, with a high near 86. East wind 6 to 13 mph. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 73. East wind around 9 mph. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly after noon. Mostly cloudy, with a high near 85. East wind 9 to 11 mph. Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely

Detailed Forecast

Today
Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 86. Light southeast wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Scattered showers, mainly after midnight. Partly cloudy, with a low around 73. Southeast wind 3 to 7 mph. Chance of precipitation is 50%.
Thursday
Scattered showers, then showers and possibly a thunderstorm after noon. High near 86. East wind 8 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night
Showers likely and possibly a thunderstorm before midnight, then isolated showers between midnight and 3am, then showers likely and possibly a thunderstorm after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 73. East southeast wind 8 to 10 mph. Chance of precipitation is 70%.
Friday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 85. East wind around 10 mph. Chance of precipitation is 70%.
Friday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 73. East wind around 7 mph. Chance of precipitation is 60%.
Saturday
Showers likely, mainly after noon. Mostly cloudy, with a high near 86. East wind 6 to 13 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 73. East wind around 9 mph. Chance of precipitation is 60%.
Sunday
Showers likely, mainly after noon. Mostly cloudy, with a high near 85. East wind 9 to 11 mph. Chance of precipitation is 60%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.
Monday
Scattered showers. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
Scattered showers. Partly sunny, with a high near 86. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
San Juan PR
 18.41°N 66.07°W (Elev. 56 ft)
Last Update:
7:14 am AST Apr 15, 2026
Forecast Valid:
8am AST Apr 15, 2026-6pm AST Apr 21, 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