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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
88°F
31°C
| Humidity | 66% |
| Wind Speed | NE 14 G 20 mph |
| Barometer | 30.02 in |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 98°F (37°C) |
| Last update | 4 Oct 10:56 am AST |
Extended Forecast for
San Isidro PR
Heat Advisory October 4, 11:20am until October 4, 04:00pm
NOW until 4:00pm Sun
Heat Advisory
Today
High: 93 °F⇓
Showers
LikelyTonight
Low: 75 °F
Showers
LikelyMonday
High: 91 °F
Scattered
ShowersMonday Night
Low: 76 °F
Scattered
ShowersTuesday
High: 91 °F
Scattered
ShowersTuesday Night
Low: 76 °F
Scattered
ShowersWednesday
High: 90 °F
Scattered
ShowersWednesday Night
Low: 75 °F
Scattered
Showers
Detailed Forecast
Today
Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a temperature falling to around 84 by 5pm. Heat index values as high as 102. East wind 11 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Mostly cloudy, with a low around 75. East southeast wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Scattered showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 91. East wind 6 to 14 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. East southeast wind around 8 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 91. East wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 76. East wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers. Partly sunny, with a high near 90. East wind 7 to 13 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 75. Southeast wind around 9 mph. Chance of precipitation is 50%.
Thursday
Showers likely, mainly after noon. Mostly cloudy, with a high near 91. East wind 9 to 15 mph, with gusts as high as 21 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 93. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 75.
Saturday
Mostly sunny, with a high near 93.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
San Isidro PR
18.4°N 65.9°W (Elev. 52 ft)
18.4°N 65.9°W (Elev. 52 ft)
10:32 am AST Oct 4, 2026
11am AST Oct 4, 2026-6pm AST Oct 10, 2026
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