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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
87°F
31°C
| Humidity | 75% |
| Wind Speed | NE 12 mph |
| Barometer | 29.92 in (1013.1 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 100°F (38°C) |
| Last update | 5 Oct 1:56 pm AST |
Extended Forecast for
San Juan PR
Heat Advisory October 5, 02:02pm until October 5, 03:00pm
NOW until 3:00pm Mon

Heat Advisory
This Afternoon

High: 92 °F
Showers
LikelyTonight

Low: 78 °F
Scattered
ShowersTuesday

High: 92 °F
Scattered
ShowersTuesday Night

Low: 79 °F
Showers
LikelyWednesday

High: 87 °F
Scattered
ShowersWednesday Night

Low: 78 °F
Scattered
ShowersThursday

High: 91 °F
Showers
LikelyThursday Night

Low: 78 °F
Scattered
Showers
Detailed Forecast
This Afternoon
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 92. Heat index values as high as 105. East southeast wind around 15 mph. Chance of precipitation is 60%.
Tonight
Scattered showers, mainly after midnight. Mostly cloudy, with a low around 78. Southeast wind around 7 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Partly sunny, with a high near 92. Heat index values as high as 103. East wind 7 to 14 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Scattered showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 79. East southeast wind 6 to 8 mph. Chance of precipitation is 60%.
Wednesday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 87. East southeast wind 8 to 14 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 78. Southeast wind around 7 mph. Chance of precipitation is 30%.
Thursday
Showers likely, mainly after noon. Mostly cloudy, with a high near 91. East wind 8 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 78. East southeast wind 5 to 7 mph. Chance of precipitation is 30%.
Friday
Scattered showers, mainly after noon. Mostly sunny, with a high near 91. East northeast wind 8 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 78.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 78.
Sunday
Mostly sunny, with a high near 91.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
San Juan PR
18.39°N 66.05°W (Elev. 180 ft)
18.39°N 66.05°W (Elev. 180 ft)
12:38 pm AST Oct 5, 2026
2pm AST Oct 5, 2026-6pm AST Oct 11, 2026



