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.

Mostly Cloudy

82°F

28°C

Humidity 79%
Wind Speed SE 9 mph
Barometer 29.96 in (1014.5 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 31 Aug 6:56 am AST
Extended Forecast for

Emajagua PR

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 3pm, then scattered showers and thunderstorms after 3pm. High near 87. East southeast wind 8 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely. Mostly cloudy, with a low around 79. East wind 7 to 10 mph. Chance of precipitation is 60%.

    Low: 79 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Scattered showers and thunderstorms. Partly sunny, with a high near 89. Heat index values as high as 102. East wind 9 to 13 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    High: 89 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 80. East wind 9 to 11 mph. Chance of precipitation is 40%.

    Low: 80 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly before noon. Mostly sunny, with a high near 89. East wind 9 to 13 mph. Chance of precipitation is 40%.

    High: 89 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers. Mostly clear, with a low around 79. East northeast wind around 10 mph. Chance of precipitation is 10%.

    Low: 79 °F

    Isolated
    Showers

  • Thursday

    Thursday: Sunny, with a high near 89. East wind around 11 mph.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 79. East northeast wind around 11 mph.

    Low: 79 °F

    Partly Cloudy

  • Friday

    Friday: Showers likely, mainly after noon. Partly sunny, with a high near 89. East wind 11 to 13 mph. Chance of precipitation is 60%.

    High: 89 °F

    Showers
    Likely

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 3pm, then scattered showers and thunderstorms after 3pm. High near 87. East southeast wind 8 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely. Mostly cloudy, with a low around 79. East wind 7 to 10 mph. Chance of precipitation is 60%.
Tuesday
Scattered showers and thunderstorms. Partly sunny, with a high near 89. Heat index values as high as 102. East wind 9 to 13 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 80. East wind 9 to 11 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers, mainly before noon. Mostly sunny, with a high near 89. East wind 9 to 13 mph. Chance of precipitation is 40%.
Wednesday Night
Isolated showers. Mostly clear, with a low around 79. East northeast wind around 10 mph. Chance of precipitation is 10%.
Thursday
Sunny, with a high near 89. East wind around 11 mph.
Thursday Night
Partly cloudy, with a low around 79. East northeast wind around 11 mph.
Friday
Showers likely, mainly after noon. Partly sunny, with a high near 89. East wind 11 to 13 mph. Chance of precipitation is 60%.
Friday Night
Scattered showers. Partly cloudy, with a low around 80. Chance of precipitation is 50%.
Saturday
Scattered showers. Mostly sunny, with a high near 89. Chance of precipitation is 50%.
Saturday Night
Scattered showers. Partly cloudy, with a low around 80. Chance of precipitation is 30%.
Sunday
Showers likely. Partly sunny, with a high near 89. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Emajagua PR
 18°N 65.87°W (Elev. 0 ft)
Last Update:
4:29 am AST Aug 31, 2026
Forecast Valid:
7am AST Aug 31, 2026-6pm AST Sep 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation