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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.

Mostly Cloudy

89°F

32°C

Humidity 65%
Wind Speed E 17 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 76°F (24°C)
Visibility 9.00 mi
Heat Index100°F (38°C)
Last update 28 Jul 3:56 pm AST
Extended Forecast for

3 Miles N San Juan PR

Heat Advisory July 28, 04:39pm until July 28, 05:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 28, 04:39pm until July 28, 05:00pm

    NOW until 5:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 88 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, mainly after midnight. Partly cloudy, with a low around 82. East southeast wind 10 to 13 mph. Chance of precipitation is 40%.

    Low: 82 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly after 3pm. Mostly sunny, with a high near 88. Heat index values as high as 103. East wind 13 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers before 9pm. Mostly clear, with a low around 82. East wind 13 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.

    Low: 82 °F

    Isolated
    Showers then
    Clear

  • Thursday

    Thursday: Isolated showers. Sunny, with a high near 88. East wind 16 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 10%.

    High: 88 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Isolated showers. Partly cloudy, with a low around 82. East wind 11 to 13 mph. Chance of precipitation is 20%.

    Low: 82 °F

    Isolated
    Showers

  • Friday

    Friday: Scattered showers, mainly after noon. Mostly sunny, with a high near 87. East wind 13 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 87 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers. Partly cloudy, with a low around 82. East southeast wind 9 to 13 mph. Chance of precipitation is 30%.

    Low: 82 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Scattered showers. Mostly sunny, with a high near 88. East wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Tonight
Scattered showers, mainly after midnight. Partly cloudy, with a low around 82. East southeast wind 10 to 13 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers, mainly after 3pm. Mostly sunny, with a high near 88. Heat index values as high as 103. East wind 13 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
Isolated showers before 9pm. Mostly clear, with a low around 82. East wind 13 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.
Thursday
Isolated showers. Sunny, with a high near 88. East wind 16 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 10%.
Thursday Night
Isolated showers. Partly cloudy, with a low around 82. East wind 11 to 13 mph. Chance of precipitation is 20%.
Friday
Scattered showers, mainly after noon. Mostly sunny, with a high near 87. East wind 13 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday Night
Scattered showers. Partly cloudy, with a low around 82. East southeast wind 9 to 13 mph. Chance of precipitation is 30%.
Saturday
Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East wind 13 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 82.
Sunday
Scattered showers. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
Sunday Night
Scattered showers. Partly cloudy, with a low around 82. Chance of precipitation is 30%.
Monday
Scattered showers. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 82. Chance of precipitation is 40%.
Tuesday
Scattered showers. Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N San Juan PR
 18.46°N 66.07°W (Elev. 0 ft)
Last Update:
3:51 pm AST Jul 28, 2026
Forecast Valid:
4pm AST Jul 28, 2026-6pm AST Aug 4, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation