Hazardous Weather Conditions
Current conditions at
San Juan, Luis Munoz Marin International Airport (TJSJ)
Lat: 18.45°NLon: 66°WElev: 10ft.
Partly Cloudy
87°F
31°C
| Humidity | 75% |
| Wind Speed | E 14 mph |
| Barometer | 29.91 in (1012.6 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 100°F (38°C) |
| Last update | 5 Sep 1:56 pm AST |
Extended Forecast for
3 Miles WNW Luis Muñoz MarÃn International Airport PR
Heat Advisory September 5, 03:32pm until September 5, 05:00pm
NOW until 5:00pm Sat

Heat Advisory
This Afternoon

High: 92 °F
Scattered
ShowersTonight

Low: 81 °F
Isolated
ShowersSunday

High: 93 °F
Scattered
ShowersSunday Night

Low: 81 °F
Showers
LikelyLabor Day
High: 93 °F
Sunny then
Showers
LikelyMonday Night

Low: 81 °F
Scattered
ShowersTuesday

High: 91 °F
Scattered
ShowersTuesday Night

Low: 81 °F
Scattered
Showers
Detailed Forecast
This Afternoon
Scattered showers. Mostly sunny, with a high near 92. Heat index values as high as 106. East wind around 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Tonight
Isolated showers. Partly cloudy, with a low around 81. East southeast wind 7 to 9 mph. Chance of precipitation is 20%.
Sunday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 93. Heat index values as high as 109. East wind 8 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 81. Southeast wind 6 to 8 mph. Chance of precipitation is 60%.
Labor Day
Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 93. East wind 10 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Monday Night
Scattered showers. Partly cloudy, with a low around 81. East southeast wind around 10 mph. Chance of precipitation is 30%.
Tuesday
Scattered showers. Partly sunny, with a high near 91. East wind around 11 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 81. East wind around 11 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers. Mostly cloudy, with a high near 92. East wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 81. Chance of precipitation is 30%.
Thursday
Scattered showers. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 80.
Friday
Sunny, with a high near 92.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles WNW Luis Muñoz MarÃn International Airport PR
18.45°N 66.04°W (Elev. 7 ft)
18.45°N 66.04°W (Elev. 7 ft)
3:46 am AST Sep 5, 2026
3pm AST Sep 5, 2026-6pm AST Sep 11, 2026



