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Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

84°F

29°C

Humidity 70%
Wind Speed E 3 mph
Barometer 30.03 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 4 Oct 8:56 am AST
Extended Forecast for

Anton Ruiz PR

Heat Advisory October 4, 10:00am until October 4, 04:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 92. Heat index values as high as 103. East southeast wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 92 °F

    Isolated
    Showers then
    Showers
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before midnight, then scattered showers. Mostly cloudy, with a low around 75. East wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 75 °F

    Showers
    Likely

  • Monday

    Monday: Scattered showers, mainly before noon. Mostly sunny, with a high near 92. Heat index values as high as 103. East wind 5 to 9 mph. Chance of precipitation is 30%.

    High: 92 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 75. East wind around 7 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 92. East wind 6 to 9 mph. Chance of precipitation is 40%.

    High: 92 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 75. East northeast wind around 6 mph. Chance of precipitation is 30%.

    Low: 75 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 88. Light east northeast wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 50%.

    High: 88 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 75. East southeast wind around 7 mph. Chance of precipitation is 60%.

    Low: 75 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before noon. Mostly cloudy, with a high near 91. East southeast wind around 9 mph. Chance of precipitation is 60%.

    High: 91 °F

    Showers
    Likely

Detailed Forecast

Today
Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 92. Heat index values as high as 103. East southeast wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers likely and possibly a thunderstorm before midnight, then scattered showers. Mostly cloudy, with a low around 75. East wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Scattered showers, mainly before noon. Mostly sunny, with a high near 92. Heat index values as high as 103. East wind 5 to 9 mph. Chance of precipitation is 30%.
Monday Night
Isolated showers. Partly cloudy, with a low around 75. East wind around 7 mph. Chance of precipitation is 20%.
Tuesday
Scattered showers. Partly sunny, with a high near 92. East wind 6 to 9 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 75. East northeast wind around 6 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers. Partly sunny, with a high near 88. Light east northeast wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 75. East southeast wind around 7 mph. Chance of precipitation is 60%.
Thursday
Showers likely, mainly before noon. Mostly cloudy, with a high near 91. East southeast wind around 9 mph. Chance of precipitation is 60%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.
Friday
Scattered showers. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Friday Night
Scattered showers. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Saturday
Scattered showers. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Anton Ruiz PR
 18.19°N 65.8°W (Elev. 213 ft)
Last Update:
3:54 am AST Oct 4, 2026
Forecast Valid:
9am AST Oct 4, 2026-6pm AST Oct 10, 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