National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

79°F

26°C

Humidity 77%
Wind Speed SW 7 G 17 mph
Barometer 29.99 in (1015.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 25 Mar 12:56 pm AST
Extended Forecast for

Loiza PR

  • This Afternoon

    This Afternoon: Showers likely, mainly before 3pm. Mostly cloudy, with a high near 84. East wind around 14 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 84 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely, mainly after 3am. Mostly cloudy, with a low around 73. East wind around 9 mph. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely

  • Thursday

    Thursday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 83. East southeast wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 83 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Scattered showers. Mostly cloudy, with a low around 73. East wind 9 to 11 mph. Chance of precipitation is 50%.

    Low: 73 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 83. East wind 10 to 15 mph. Chance of precipitation is 50%.

    High: 83 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. East wind 9 to 11 mph. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly before noon. Mostly cloudy, with a high near 83. East northeast wind 9 to 11 mph. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Scattered showers. Mostly cloudy, with a low around 73. East northeast wind around 10 mph. Chance of precipitation is 40%.

    Low: 73 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers before noon. Mostly sunny, with a high near 83. East northeast wind 11 to 14 mph. Chance of precipitation is 30%.

    High: 83 °F

    Scattered
    Showers then
    Sunny

Detailed Forecast

This Afternoon
Showers likely, mainly before 3pm. Mostly cloudy, with a high near 84. East wind around 14 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
Showers likely, mainly after 3am. Mostly cloudy, with a low around 73. East wind around 9 mph. Chance of precipitation is 60%.
Thursday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 83. East southeast wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 73. East wind 9 to 11 mph. Chance of precipitation is 50%.
Friday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 83. East wind 10 to 15 mph. Chance of precipitation is 50%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. East wind 9 to 11 mph. Chance of precipitation is 60%.
Saturday
Showers likely, mainly before noon. Mostly cloudy, with a high near 83. East northeast wind 9 to 11 mph. Chance of precipitation is 60%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 73. East northeast wind around 10 mph. Chance of precipitation is 40%.
Sunday
Scattered showers before noon. Mostly sunny, with a high near 83. East northeast wind 11 to 14 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 73.
Monday
Scattered showers. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Monday Night
Showers likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Tuesday
Scattered showers. Partly sunny, with a high near 81. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Loiza PR
 18.44°N 65.89°W (Elev. 3 ft)
Last Update:
9:34 am AST Mar 25, 2026
Forecast Valid:
1pm AST Mar 25, 2026-6pm AST Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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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