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

Hazardous Weather Conditions

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 84%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 15 Jul 5:56 am AST
Extended Forecast for

4 Miles NW Duque PR

Heat Advisory July 15, 10:00am until July 15, 04:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Scattered showers, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 75. East wind 8 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 75 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 3am, then scattered showers. Mostly cloudy, with a low around 70. East wind around 10 mph. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 75. East wind 11 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    High: 75 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 70. East wind 7 to 9 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Thursday

    Thursday: Scattered showers, mainly before noon. Widespread haze after noon. Mostly sunny, with a high near 75. East wind 11 to 13 mph. Chance of precipitation is 40%.

    High: 75 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Thursday Night

    Thursday Night: Widespread haze. Clear, with a low around 69. East wind around 8 mph.

    Low: 69 °F

    Haze

  • Friday

    Friday: Widespread haze. Mostly sunny, with a high near 75. East wind 8 to 10 mph.

    High: 75 °F

    Haze

  • Friday Night

    Friday Night: Scattered showers. Partly cloudy, with a low around 68. East wind around 6 mph. Chance of precipitation is 30%.

    Low: 68 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, mainly before noon. Mostly sunny, with a high near 75. East southeast wind 6 to 10 mph. Chance of precipitation is 40%.

    High: 75 °F

    Scattered
    Showers then
    Mostly Sunny

Detailed Forecast

Today
Scattered showers, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 75. East wind 8 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers likely and possibly a thunderstorm before 3am, then scattered showers. Mostly cloudy, with a low around 70. East wind around 10 mph. Chance of precipitation is 60%.
Wednesday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 75. East wind 11 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 70. East wind 7 to 9 mph. Chance of precipitation is 40%.
Thursday
Scattered showers, mainly before noon. Widespread haze after noon. Mostly sunny, with a high near 75. East wind 11 to 13 mph. Chance of precipitation is 40%.
Thursday Night
Widespread haze. Clear, with a low around 69. East wind around 8 mph.
Friday
Widespread haze. Mostly sunny, with a high near 75. East wind 8 to 10 mph.
Friday Night
Scattered showers. Partly cloudy, with a low around 68. East wind around 6 mph. Chance of precipitation is 30%.
Saturday
Scattered showers, mainly before noon. Mostly sunny, with a high near 75. East southeast wind 6 to 10 mph. Chance of precipitation is 40%.
Saturday Night
Scattered showers. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Scattered showers. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Duque PR
 18.29°N 65.78°W (Elev. 2251 ft)
Last Update:
4:10 am AST Jul 15, 2025
Forecast Valid:
6am AST Jul 15, 2025-6pm AST Jul 21, 2025
 
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