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

Hazardous Weather Conditions

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 SW 3 mph
Barometer 29.87 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 22 Mar 2:56 am AST
Extended Forecast for

Loiza PR

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 75. Calm wind. Chance of precipitation is 60%.

    Low: 75 °F

    Showers
    Likely

  • Sunday

    Sunday: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 9am. Mostly cloudy, with a high near 82. Light and variable wind becoming north 8 to 13 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    High: 82 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before midnight, then scattered showers and thunderstorms between midnight and 3am, then scattered showers after 3am. Low around 75. Northeast wind 10 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 75 °F

    Showers then
    Scattered
    Showers

  • Monday

    Monday: Scattered showers, then showers likely and possibly a thunderstorm after 9am. Mostly cloudy, with a high near 81. Northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 76. Northeast wind 8 to 10 mph. Chance of precipitation is 60%.

    Low: 76 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before noon, then scattered showers. Partly sunny, with a high near 82. East northeast wind 7 to 9 mph. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 74. East northeast wind around 7 mph. Chance of precipitation is 60%.

    Low: 74 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 82. East wind 9 to 14 mph. Chance of precipitation is 50%.

    High: 82 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Mostly cloudy, with a low around 76. East wind 10 to 13 mph. Chance of precipitation is 40%.

    Low: 76 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 75. Calm wind. Chance of precipitation is 60%.
Sunday
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 9am. Mostly cloudy, with a high near 82. Light and variable wind becoming north 8 to 13 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers and possibly a thunderstorm before midnight, then scattered showers and thunderstorms between midnight and 3am, then scattered showers after 3am. Low around 75. Northeast wind 10 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Scattered showers, then showers likely and possibly a thunderstorm after 9am. Mostly cloudy, with a high near 81. Northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 76. Northeast wind 8 to 10 mph. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm before noon, then scattered showers. Partly sunny, with a high near 82. East northeast wind 7 to 9 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 74. East northeast wind around 7 mph. Chance of precipitation is 60%.
Wednesday
Scattered showers. Partly sunny, with a high near 82. East wind 9 to 14 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 76. East wind 10 to 13 mph. Chance of precipitation is 40%.
Thursday
Scattered showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 75. Chance of precipitation is 50%.
Friday
Scattered showers. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Friday Night
Showers likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Saturday
Showers likely. Partly sunny, with a high near 82. Chance of precipitation is 60%.
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:
8:05 pm AST Mar 21, 2026
Forecast Valid:
3am AST Mar 22, 2026-6pm AST Mar 28, 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