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

73°F

23°C

Humidity 89%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 26 Mar 3:56 am AST
Extended Forecast for

Loiza PR

  • Overnight

    Overnight: Showers likely. Mostly cloudy, with a low around 73. East southeast wind around 8 mph. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 84. East southeast wind 9 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Scattered showers. Mostly cloudy, with a low around 74. East wind around 10 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 74 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers. Partly sunny, with a high near 83. East wind 10 to 14 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 10 to 13 mph. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely

  • Saturday

    Saturday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 82. East wind around 11 mph. Chance of precipitation is 50%.

    High: 82 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73. East northeast wind around 10 mph.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Scattered showers, mainly after noon. Mostly sunny, with a high near 82. East northeast wind 10 to 15 mph. Chance of precipitation is 40%.

    High: 82 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73. East northeast wind 13 to 15 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers likely. Mostly cloudy, with a low around 73. East southeast wind around 8 mph. Chance of precipitation is 60%.
Thursday
Showers likely before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 84. East southeast wind 9 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 74. East wind around 10 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Scattered showers. Partly sunny, with a high near 83. East wind 10 to 14 mph. Chance of precipitation is 50%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. East wind 10 to 13 mph. Chance of precipitation is 60%.
Saturday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 82. East wind around 11 mph. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 73. East northeast wind around 10 mph.
Sunday
Scattered showers, mainly after noon. Mostly sunny, with a high near 82. East northeast wind 10 to 15 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 73. East northeast wind 13 to 15 mph, with gusts as high as 20 mph.
Monday
Scattered showers. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Monday Night
Showers likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Tuesday
Scattered showers. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Loiza PR
 18.44°N 65.89°W (Elev. 3 ft)
Last Update:
2:26 am AST Mar 26, 2026
Forecast Valid:
4am AST Mar 26, 2026-6pm AST Apr 1, 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