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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy and Breezy

84°F

29°C

Humidity 66%
Wind Speed E 21 mph
Barometer 29.96 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 17 Apr 11:56 am AST
Extended Forecast for

San Juan PR

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 86. East wind 10 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 86 °F

    Showers

  • Tonight

    Tonight: Showers likely, mainly before 9pm. Mostly cloudy, with a low around 73. East southeast wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 73 °F

    Showers
    Likely

  • Saturday

    Saturday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 86. East wind 8 to 13 mph. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Isolated showers. Mostly clear, with a low around 73. East wind 7 to 9 mph. Chance of precipitation is 10%.

    Low: 73 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers. Mostly sunny, with a high near 86. East wind 8 to 13 mph. Chance of precipitation is 20%.

    High: 86 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Mostly clear, with a low around 73. East wind 7 to 9 mph. Chance of precipitation is 10%.

    Low: 73 °F

    Isolated
    Showers

  • Monday

    Monday: Scattered showers, mainly after noon. Mostly sunny, with a high near 86. East wind 8 to 13 mph. Chance of precipitation is 40%.

    High: 86 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73. East wind 6 to 8 mph.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 87. East wind 6 to 11 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 86. East wind 10 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Tonight
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 73. East southeast wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 86. East wind 8 to 13 mph. Chance of precipitation is 40%.
Saturday Night
Isolated showers. Mostly clear, with a low around 73. East wind 7 to 9 mph. Chance of precipitation is 10%.
Sunday
Isolated showers. Mostly sunny, with a high near 86. East wind 8 to 13 mph. Chance of precipitation is 20%.
Sunday Night
Isolated showers. Mostly clear, with a low around 73. East wind 7 to 9 mph. Chance of precipitation is 10%.
Monday
Scattered showers, mainly after noon. Mostly sunny, with a high near 86. East wind 8 to 13 mph. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 73. East wind 6 to 8 mph.
Tuesday
Scattered showers. Partly sunny, with a high near 87. East wind 6 to 11 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Scattered showers. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
Scattered showers. Partly sunny, with a high near 86. Chance of precipitation is 50%.
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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:
9:16 am AST Apr 17, 2026
Forecast Valid:
12pm AST Apr 17, 2026-6pm AST Apr 23, 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