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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

77°F

25°C

Humidity 79%
Wind Speed SE 5 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Apr 9:56 pm AST
Extended Forecast for

San Juan PR

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before midnight, then scattered showers and thunderstorms between midnight and 3am, then scattered showers after 3am.  Mostly cloudy, with a low around 72. East southeast wind around 9 mph.  Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 86. East wind 9 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    High: 86 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 3am.  Mostly cloudy, with a low around 73. East wind 8 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 73 °F

    Showers
    Likely

  • Monday

    Monday: Scattered showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 87. East wind 9 to 15 mph.  Chance of precipitation is 50%.

    High: 87 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers.  Mostly cloudy, with a low around 74. East wind 7 to 9 mph.  Chance of precipitation is 50%.

    Low: 74 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers.  Partly sunny, with a high near 87. East wind 6 to 13 mph.  Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73. East wind 3 to 6 mph.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Scattered showers.  Partly sunny, with a high near 87. East northeast wind 7 to 9 mph.  Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 73. East wind 5 to 7 mph.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before midnight, then scattered showers and thunderstorms between midnight and 3am, then scattered showers after 3am. Mostly cloudy, with a low around 72. East southeast wind around 9 mph. Chance of precipitation is 60%.
Sunday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 86. East wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Sunday Night
Showers likely, mainly before 3am. Mostly cloudy, with a low around 73. East wind 8 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 87. East wind 9 to 15 mph. Chance of precipitation is 50%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 74. East wind 7 to 9 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers. Partly sunny, with a high near 87. East wind 6 to 13 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 73. East wind 3 to 6 mph.
Wednesday
Scattered showers. Partly sunny, with a high near 87. East northeast wind 7 to 9 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 73. East wind 5 to 7 mph.
Thursday
Scattered showers. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Friday
Showers likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 72.
Saturday
Showers likely. Mostly sunny, with a high near 86. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
San Juan PR
 18.41°N 66.07°W (Elev. 56 ft)
4:05 pm AST Apr 18, 2026
10pm AST Apr 18, 2026-6pm AST Apr 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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