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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.

Mostly Cloudy

75°F

24°C

Humidity 84%
Wind Speed W 9 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 22 Mar 4:56 am AST
Extended Forecast for

San Juan PR

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely

  • Sunday

    Sunday: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 9am. High near 85. North wind 5 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 85 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 9pm, then scattered showers. Cloudy, then gradually becoming partly cloudy, with a low around 73. Northeast wind 9 to 11 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 73 °F

    Showers
    Likely then
    Scattered
    Showers

  • Monday

    Monday: Scattered showers, then showers likely and possibly a thunderstorm after 9am. Mostly cloudy, with a high near 83. Northeast wind 11 to 14 mph. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 74. Northeast wind around 8 mph. Chance of precipitation is 60%.

    Low: 74 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before noon, then scattered showers. Partly sunny, with a high near 83. Northeast wind 7 to 9 mph. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 72. East wind around 6 mph. Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 84. East wind 7 to 14 mph. Chance of precipitation is 50%.

    High: 84 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Partly cloudy, with a low around 74. East southeast wind around 8 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 60%.
Sunday
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 9am. High near 85. North wind 5 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers likely and possibly a thunderstorm before 9pm, then scattered showers. Cloudy, then gradually becoming partly cloudy, with a low around 73. Northeast wind 9 to 11 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Scattered showers, then showers likely and possibly a thunderstorm after 9am. Mostly cloudy, with a high near 83. Northeast wind 11 to 14 mph. Chance of precipitation is 70%.
Monday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 74. Northeast wind around 8 mph. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm before noon, then scattered showers. Partly sunny, with a high near 83. Northeast wind 7 to 9 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 72. East wind around 6 mph. Chance of precipitation is 60%.
Wednesday
Scattered showers. Partly sunny, with a high near 84. East wind 7 to 14 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 74. East southeast wind around 8 mph. Chance of precipitation is 30%.
Thursday
Scattered showers. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Friday
Scattered showers. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 73. Chance of precipitation is 50%.
Saturday
Showers likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Juan PR
 18.41°N 66.07°W (Elev. 56 ft)
Last Update:
8:05 pm AST Mar 21, 2026
Forecast Valid:
5am AST Mar 22, 2026-6pm AST Mar 28, 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