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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 79%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 11 Oct 9:56 pm AST
Extended Forecast for

San Juan PR

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 78. East southeast wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Isolated
    Showers

  • Columbus Day

    Columbus Day: Scattered showers, mainly after 9am. Partly sunny, with a high near 89. Heat index values as high as 102. East wind 7 to 14 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    High: 89 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 79. East southeast wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 79 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 88. East wind 6 to 11 mph. Chance of precipitation is 70%.

    High: 88 °F

    Scattered
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Isolated showers. Partly cloudy, with a low around 79. East wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 79 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 90. East northeast wind 6 to 14 mph. Chance of precipitation is 40%.

    High: 90 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Partly cloudy, with a low around 80. East wind around 8 mph. Chance of precipitation is 30%.

    Low: 80 °F

    Scattered
    Showers

  • Thursday

    Thursday: Showers likely, mainly after noon. Partly sunny, with a high near 89. East northeast wind 7 to 13 mph. Chance of precipitation is 60%.

    High: 89 °F

    Scattered
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Scattered showers. Partly cloudy, with a low around 80. East wind around 7 mph. Chance of precipitation is 30%.

    Low: 80 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Isolated showers. Partly cloudy, with a low around 78. East southeast wind 6 to 8 mph. Chance of precipitation is 20%.
Columbus Day
Scattered showers, mainly after 9am. Partly sunny, with a high near 89. Heat index values as high as 102. East wind 7 to 14 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Isolated showers. Partly cloudy, with a low around 79. East southeast wind 3 to 7 mph. Chance of precipitation is 20%.
Tuesday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 88. East wind 6 to 11 mph. Chance of precipitation is 70%.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 79. East wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 20%.
Wednesday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 90. East northeast wind 6 to 14 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 80. East wind around 8 mph. Chance of precipitation is 30%.
Thursday
Showers likely, mainly after noon. Partly sunny, with a high near 89. East northeast wind 7 to 13 mph. Chance of precipitation is 60%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 80. East wind around 7 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 79.
Saturday
Scattered showers. Partly sunny, with a high near 90. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 79.
Sunday
Scattered showers. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
San Juan PR
 18.4°N 66.07°W (Elev. 56 ft)
Last Update:
4:30 pm AST Oct 11, 2026
Forecast Valid:
10pm AST Oct 11, 2026-6pm AST Oct 18, 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