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

87°F

31°C

Humidity 72%
Wind Speed S 5 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 23 Sep 7:56 pm AST
Extended Forecast for

2 Miles SE Guaynabo PR

  • Tonight

    Tonight: Isolated showers before midnight. Mostly clear, with a low around 79. South wind 3 to 5 mph. Chance of precipitation is 10%.

    Low: 79 °F

    Isolated
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Isolated showers, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 93. Heat index values as high as 112. South southeast wind 5 to 9 mph becoming east in the afternoon. Chance of precipitation is 40%.

    High: 93 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms. Partly cloudy, with a low around 79. South southeast wind 3 to 7 mph. Chance of precipitation is 40%.

    Low: 79 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly before noon. Mostly sunny, with a high near 91. Heat index values as high as 108. East wind 6 to 13 mph. Chance of precipitation is 30%.

    High: 91 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers. Partly cloudy, with a low around 77. East wind 5 to 8 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Isolated
    Showers

  • Thursday

    Thursday: Scattered showers, mainly before noon. Mostly sunny, with a high near 90. East northeast wind 6 to 13 mph. Chance of precipitation is 40%.

    High: 90 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers, mainly between 9pm and 3am. Partly cloudy, with a low around 78. East wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers, mainly after noon. Mostly sunny, with a high near 91. East wind 6 to 13 mph. Chance of precipitation is 30%.

    High: 91 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers, mainly after 9pm. Mostly cloudy, with a low around 81. East wind 3 to 7 mph. Chance of precipitation is 50%.

    Low: 81 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Isolated showers before midnight. Mostly clear, with a low around 79. South wind 3 to 5 mph. Chance of precipitation is 10%.
Tuesday
Isolated showers, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 93. Heat index values as high as 112. South southeast wind 5 to 9 mph becoming east in the afternoon. Chance of precipitation is 40%.
Tuesday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 79. South southeast wind 3 to 7 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers, mainly before noon. Mostly sunny, with a high near 91. Heat index values as high as 108. East wind 6 to 13 mph. Chance of precipitation is 30%.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 77. East wind 5 to 8 mph. Chance of precipitation is 20%.
Thursday
Scattered showers, mainly before noon. Mostly sunny, with a high near 90. East northeast wind 6 to 13 mph. Chance of precipitation is 40%.
Thursday Night
Scattered showers, mainly between 9pm and 3am. Partly cloudy, with a low around 78. East wind 5 to 7 mph. Chance of precipitation is 30%.
Friday
Scattered showers, mainly after noon. Mostly sunny, with a high near 91. East wind 6 to 13 mph. Chance of precipitation is 30%.
Friday Night
Scattered showers, mainly after 9pm. Mostly cloudy, with a low around 81. East wind 3 to 7 mph. Chance of precipitation is 50%.
Saturday
Scattered showers, mainly before noon. Partly sunny, with a high near 92. Chance of precipitation is 50%.
Saturday Night
Scattered showers. Partly cloudy, with a low around 81. Chance of precipitation is 40%.
Sunday
Scattered showers. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 79.
Monday
Showers likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Guaynabo PR
 18.37°N 66.1°W (Elev. 131 ft)
Last Update:
6:09 pm AST Sep 23, 2024
Forecast Valid:
8pm AST Sep 23, 2024-6pm AST Sep 30, 2024
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation