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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.

A Few Clouds

81°F

27°C

Humidity 79%
Wind Speed SE 3 mph
Barometer 29.98 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 28 Jul 4:56 am AST
Extended Forecast for

3 Miles WNW Luis Muñoz Marín International Airport PR

Heat Advisory July 28, 10:00am until July 28, 05:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Scattered showers. Mostly cloudy, with a low around 79. East southeast wind around 7 mph. Chance of precipitation is 40%.

    Low: 79 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Mostly sunny, with a high near 92. Heat index values as high as 107. East wind 9 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 92 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly after midnight. Partly cloudy, with a low around 80. East wind around 10 mph. Chance of precipitation is 40%.

    Low: 80 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly before 9am. Sunny, with a high near 92. Heat index values as high as 107. East wind 11 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 92 °F

    Scattered
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Isolated showers before midnight. Mostly clear, with a low around 80. East wind 13 to 15 mph. Chance of precipitation is 10%.

    Low: 80 °F

    Isolated
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Isolated showers. Widespread haze. Sunny, with a high near 92. East wind 16 to 22 mph. Chance of precipitation is 10%.

    High: 92 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Widespread haze. Partly cloudy, with a low around 80. East wind around 14 mph.

    Low: 80 °F

    Haze

  • Friday

    Friday: Scattered showers, mainly after noon. Mostly sunny, with a high near 91. East wind 14 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 91 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers. Partly cloudy, with a low around 79. East southeast wind 9 to 11 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 79. East southeast wind around 7 mph. Chance of precipitation is 40%.
Tuesday
Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Mostly sunny, with a high near 92. Heat index values as high as 107. East wind 9 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers, mainly after midnight. Partly cloudy, with a low around 80. East wind around 10 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers, mainly before 9am. Sunny, with a high near 92. Heat index values as high as 107. East wind 11 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Wednesday Night
Isolated showers before midnight. Mostly clear, with a low around 80. East wind 13 to 15 mph. Chance of precipitation is 10%.
Thursday
Isolated showers. Widespread haze. Sunny, with a high near 92. East wind 16 to 22 mph. Chance of precipitation is 10%.
Thursday Night
Widespread haze. Partly cloudy, with a low around 80. East wind around 14 mph.
Friday
Scattered showers, mainly after noon. Mostly sunny, with a high near 91. East wind 14 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Friday Night
Scattered showers. Partly cloudy, with a low around 79. East southeast wind 9 to 11 mph. Chance of precipitation is 30%.
Saturday
Scattered showers, mainly after noon. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 79.
Sunday
Scattered showers. Partly sunny, with a high near 91. Chance of precipitation is 40%.
Sunday Night
Scattered showers. Partly cloudy, with a low around 79. Chance of precipitation is 30%.
Monday
Scattered showers. Mostly sunny, with a high near 92. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Luis Muñoz Marín International Airport PR
 18.45°N 66.04°W (Elev. 7 ft)
Last Update:
3:50 am AST Jul 28, 2026
Forecast Valid:
5am AST Jul 28, 2026-6pm AST Aug 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation