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.

A Few Clouds

90°F

32°C

Humidity 52%
Wind Speed SE 8 mph
Barometer 30.00 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 4 May 11:56 am AST
Extended Forecast for

Loiza PR

  • This Afternoon

    This Afternoon: Isolated showers after 3pm. Sunny, with a high near 88. East southeast wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 10%.

    High: 88 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers before 9pm, then scattered showers after midnight. Partly cloudy, with a low around 78. East southeast wind 6 to 10 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly between 9am and noon. Partly sunny, with a high near 88. East southeast wind 11 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 77. East southeast wind around 10 mph. Chance of precipitation is 40%.

    Low: 77 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Isolated showers before noon. Mostly sunny, with a high near 88. East wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 88 °F

    Isolated
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Scattered showers. Partly cloudy, with a low around 77. East southeast wind around 9 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 88. East wind 11 to 15 mph, with gusts as high as 20 mph.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Scattered showers. Partly cloudy, with a low around 76. East wind 7 to 10 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers, mainly before noon. Mostly sunny, with a high near 87. East wind 11 to 13 mph. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers then
    Mostly Sunny

Detailed Forecast

This Afternoon
Isolated showers after 3pm. Sunny, with a high near 88. East southeast wind around 17 mph, with gusts as high as 22 mph. Chance of precipitation is 10%.
Tonight
Isolated showers before 9pm, then scattered showers after midnight. Partly cloudy, with a low around 78. East southeast wind 6 to 10 mph. Chance of precipitation is 30%.
Tuesday
Showers likely, mainly between 9am and noon. Partly sunny, with a high near 88. East southeast wind 11 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 77. East southeast wind around 10 mph. Chance of precipitation is 40%.
Wednesday
Isolated showers before noon. Mostly sunny, with a high near 88. East wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 77. East southeast wind around 9 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 88. East wind 11 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Scattered showers. Partly cloudy, with a low around 76. East wind 7 to 10 mph. Chance of precipitation is 30%.
Friday
Scattered showers, mainly before noon. Mostly sunny, with a high near 87. East wind 11 to 13 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 76.
Saturday
Scattered showers. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
Scattered showers. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
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:
7:53 am AST May 4, 2026
Forecast Valid:
12pm AST May 4, 2026-6pm AST May 10, 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