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

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Mostly Cloudy

81°F

27°C

Humidity 70%
Wind Speed E 15 mph
Barometer 29.91 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 27 Mar 3:56 pm AST
Extended Forecast for

Loiza PR

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Mostly cloudy, with a high near 83. East wind around 13 mph. Chance of precipitation is 50%.

    High: 83 °F

    Scattered
    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 76. East northeast wind 9 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 76 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 9am, then scattered showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 82. East wind 8 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 82 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Scattered showers. Mostly cloudy, with a low around 76. East northeast wind around 9 mph. Chance of precipitation is 50%.

    Low: 76 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 82. Northeast wind 11 to 13 mph. Chance of precipitation is 40%.

    High: 82 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Partly cloudy, with a low around 75. Northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Isolated
    Showers

  • Monday

    Monday: Scattered showers. Partly sunny, with a high near 81. East northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 81 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Showers likely. Mostly cloudy, with a low around 75. East northeast wind around 13 mph. Chance of precipitation is 60%.

    Low: 75 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Scattered showers. Mostly cloudy, with a high near 81. East northeast wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    High: 81 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Mostly cloudy, with a high near 83. East wind around 13 mph. Chance of precipitation is 50%.
Tonight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 76. East northeast wind 9 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers likely and possibly a thunderstorm before 9am, then scattered showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 82. East wind 8 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 76. East northeast wind around 9 mph. Chance of precipitation is 50%.
Sunday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 82. Northeast wind 11 to 13 mph. Chance of precipitation is 40%.
Sunday Night
Isolated showers. Partly cloudy, with a low around 75. Northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday
Scattered showers. Partly sunny, with a high near 81. East northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Monday Night
Showers likely. Mostly cloudy, with a low around 75. East northeast wind around 13 mph. Chance of precipitation is 60%.
Tuesday
Scattered showers. Mostly cloudy, with a high near 81. East northeast wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Friday
Scattered showers. Mostly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Loiza PR
 18.44°N 65.89°W (Elev. 3 ft)
Last Update:
4:01 pm AST Mar 27, 2026
Forecast Valid:
4pm AST Mar 27, 2026-6pm AST Apr 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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