Hazardous Weather Conditions
Current conditions at
San Juan, Luis Munoz Marin International Airport (TJSJ)
Lat: 18.45°NLon: 66°WElev: 10ft.
Fair
81°F
27°C
| Humidity | 85% |
| Wind Speed | Calm |
| Barometer | 29.94 in (1013.7 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 87°F (31°C) |
| Last update | 7 Sep 3:56 am AST |
Extended Forecast for
2 Miles ESE Sabana Seca PR
Extreme Heat Warning September 7, 10:00am until September 7, 05:00pm
Overnight

Low: 80 °F
Isolated
ShowersLabor Day

High: 90 °F
Showers
LikelyMonday Night
Low: 79 °F
Isolated
Showers then
Scattered
ShowersTuesday

High: 89 °F
Scattered
ShowersTuesday Night

Low: 78 °F
Scattered
ShowersWednesday

High: 87 °F
Scattered
ShowersWednesday Night

Low: 78 °F
Scattered
ShowersThursday

High: 88 °F
Scattered
ShowersThursday Night

Low: 79 °F
Partly Cloudy
Detailed Forecast
Overnight
Isolated showers. Partly cloudy, with a low around 80. East southeast wind around 5 mph. Chance of precipitation is 20%.
Labor Day
Scattered showers, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 90. Heat index values as high as 109. East southeast wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Isolated showers before midnight, then scattered showers and thunderstorms between midnight and 3am, then scattered showers after 3am. Partly cloudy, with a low around 79. East southeast wind 6 to 8 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers. Partly sunny, with a high near 89. Heat index values as high as 106. East wind 9 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 78. East wind 8 to 11 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers and thunderstorms. Partly sunny, with a high near 87. East wind 10 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 78. East wind 8 to 10 mph. Chance of precipitation is 30%.
Thursday
Scattered showers. Partly sunny, with a high near 88. East wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 79. East southeast wind around 9 mph.
Friday
Widespread haze. Sunny, with a high near 90.
Friday Night
Widespread haze. Clear, with a low around 78.
Saturday
Sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
Scattered showers. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles ESE Sabana Seca PR
18.41°N 66.16°W (Elev. 30 ft)
18.41°N 66.16°W (Elev. 30 ft)
3:57 am AST Sep 7, 2026
4am AST Sep 7, 2026-6pm AST Sep 13, 2026



