National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

85°F

29°C

Humidity 80%
Wind Speed E 10 mph
Barometer 30.03 in (1016.6 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 29 May 6:56 pm AST
Extended Forecast for

San Juan PR

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. East southeast wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 78 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 9am, then scattered showers and thunderstorms after 9am. Mostly cloudy, with a high near 89. Heat index values as high as 103. East southeast wind 7 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 89 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Isolated showers before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then scattered showers after midnight. Mostly cloudy, with a low around 79. East southeast wind 7 to 9 mph. Chance of precipitation is 60%.

    Low: 79 °F

    Showers
    Likely

  • Friday

    Friday: Scattered showers, mainly after noon. Mostly sunny, with a high near 90. Heat index values as high as 104. East southeast wind 8 to 14 mph. Chance of precipitation is 40%.

    High: 90 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Friday Night

    Friday Night: Isolated showers. Partly cloudy, with a low around 79. East southeast wind 3 to 6 mph. Chance of precipitation is 10%.

    Low: 79 °F

    Isolated
    Showers

  • Saturday

    Saturday: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 92. Southeast wind 6 to 13 mph. Chance of precipitation is 60%.

    High: 92 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Scattered showers. Partly cloudy, with a low around 79. East southeast wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East wind 8 to 11 mph. Chance of precipitation is 40%.

    High: 89 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Sunday Night

    Sunday Night: Scattered showers. Partly cloudy, with a low around 79. East southeast wind around 8 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. East southeast wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers likely and possibly a thunderstorm before 9am, then scattered showers and thunderstorms after 9am. Mostly cloudy, with a high near 89. Heat index values as high as 103. East southeast wind 7 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Isolated showers before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then scattered showers after midnight. Mostly cloudy, with a low around 79. East southeast wind 7 to 9 mph. Chance of precipitation is 60%.
Friday
Scattered showers, mainly after noon. Mostly sunny, with a high near 90. Heat index values as high as 104. East southeast wind 8 to 14 mph. Chance of precipitation is 40%.
Friday Night
Isolated showers. Partly cloudy, with a low around 79. East southeast wind 3 to 6 mph. Chance of precipitation is 10%.
Saturday
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 92. Southeast wind 6 to 13 mph. Chance of precipitation is 60%.
Saturday Night
Scattered showers. Partly cloudy, with a low around 79. East southeast wind 5 to 7 mph. Chance of precipitation is 30%.
Sunday
Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East wind 8 to 11 mph. Chance of precipitation is 40%.
Sunday Night
Scattered showers. Partly cloudy, with a low around 79. East southeast wind around 8 mph. Chance of precipitation is 30%.
Monday
Showers likely, mainly after noon. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Monday Night
Scattered showers. Partly cloudy, with a low around 79. Chance of precipitation is 30%.
Tuesday
Showers likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 79. Chance of precipitation is 30%.
Wednesday
Showers likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
San Juan PR
 18.41°N 66.07°W (Elev. 56 ft)
Last Update:
3:32 pm AST May 29, 2024
Forecast Valid:
7pm AST May 29, 2024-6pm AST Jun 5, 2024
 
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