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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

82°F

28°C

Humidity 79%
Wind Speed E 5 mph
Barometer 30.04 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 10 Aug 1:56 am AST
Extended Forecast for

Emajagua PR

Heat Advisory August 10, 10:00am until August 10, 04:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Isolated showers. Widespread haze. Partly cloudy, with a low around 80. East wind around 16 mph. Chance of precipitation is 20%.

    Low: 80 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers before 9am. Widespread haze. Sunny, with a high near 89. Heat index values as high as 102. East northeast wind around 16 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 89 °F

    Isolated
    Showers then
    Haze

  • Monday Night

    Monday Night: Scattered showers, mainly after midnight. Widespread haze before midnight. Increasing clouds, with a low around 78. East northeast wind 11 to 13 mph. Chance of precipitation is 50%.

    Low: 78 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers. Partly sunny, with a high near 88. East wind around 15 mph. Chance of precipitation is 50%.

    High: 88 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers after midnight. Widespread haze. Partly cloudy, with a low around 78. East wind around 11 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Haze then
    Isolated
    Showers

  • Wednesday

    Wednesday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 89. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 89 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Partly cloudy, with a low around 79. East wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

  • Thursday

    Thursday: Widespread haze. Sunny, with a high near 88. East wind around 17 mph, with gusts as high as 22 mph.

    High: 88 °F

    Haze

  • Thursday Night

    Thursday Night: Widespread haze. Clear, with a low around 81. East wind around 18 mph, with gusts as high as 23 mph.

    Low: 81 °F

    Haze

Detailed Forecast

Overnight
Isolated showers. Widespread haze. Partly cloudy, with a low around 80. East wind around 16 mph. Chance of precipitation is 20%.
Monday
Isolated showers before 9am. Widespread haze. Sunny, with a high near 89. Heat index values as high as 102. East northeast wind around 16 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday Night
Scattered showers, mainly after midnight. Widespread haze before midnight. Increasing clouds, with a low around 78. East northeast wind 11 to 13 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers. Partly sunny, with a high near 88. East wind around 15 mph. Chance of precipitation is 50%.
Tuesday Night
Isolated showers after midnight. Widespread haze. Partly cloudy, with a low around 78. East wind around 11 mph. Chance of precipitation is 20%.
Wednesday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 89. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 79. East wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday
Widespread haze. Sunny, with a high near 88. East wind around 17 mph, with gusts as high as 22 mph.
Thursday Night
Widespread haze. Clear, with a low around 81. East wind around 18 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 81.
Saturday
Mostly sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 81.
Sunday
Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Emajagua PR
 18°N 65.87°W (Elev. 0 ft)
Last Update:
7:48 pm AST Aug 9, 2026
Forecast Valid:
2am AST Aug 10, 2026-6pm AST Aug 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation