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

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

79°F

26°C

Humidity 84%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 22 Sep 5:56 am AST
Extended Forecast for

2 Miles WNW Daguao PR

  • Today

    Today: Scattered showers, mainly before 3pm. Partly sunny, with a high near 91. Heat index values as high as 102. East southeast wind 6 to 9 mph. Chance of precipitation is 50%.

    High: 91 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers after 9pm. Mostly clear during the early evening, then becoming mostly cloudy, with a low around 79. East wind around 8 mph. Chance of precipitation is 50%.

    Low: 79 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Isolated showers, then scattered showers and thunderstorms after noon. Partly sunny, with a high near 92. Heat index values as high as 105. East wind around 10 mph. Chance of precipitation is 50%.

    High: 92 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. East wind around 7 mph. Chance of precipitation is 60%.

    Low: 78 °F

    Showers
    Likely

  • Thursday

    Thursday: Scattered showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 91. East southeast wind 8 to 11 mph. Chance of precipitation is 50%.

    High: 91 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers. Mostly cloudy, with a low around 79. East wind 7 to 9 mph. Chance of precipitation is 50%.

    Low: 79 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers. Partly sunny, with a high near 92. East southeast wind 7 to 9 mph. Chance of precipitation is 40%.

    High: 92 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers. Partly cloudy, with a low around 80. East wind around 7 mph. Chance of precipitation is 30%.

    Low: 80 °F

    Scattered
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 92. East southeast wind around 9 mph.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers, mainly before 3pm. Partly sunny, with a high near 91. Heat index values as high as 102. East southeast wind 6 to 9 mph. Chance of precipitation is 50%.
Tonight
Scattered showers after 9pm. Mostly clear during the early evening, then becoming mostly cloudy, with a low around 79. East wind around 8 mph. Chance of precipitation is 50%.
Wednesday
Isolated showers, then scattered showers and thunderstorms after noon. Partly sunny, with a high near 92. Heat index values as high as 105. East wind around 10 mph. Chance of precipitation is 50%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. East wind around 7 mph. Chance of precipitation is 60%.
Thursday
Scattered showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 91. East southeast wind 8 to 11 mph. Chance of precipitation is 50%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 79. East wind 7 to 9 mph. Chance of precipitation is 50%.
Friday
Scattered showers. Partly sunny, with a high near 92. East southeast wind 7 to 9 mph. Chance of precipitation is 40%.
Friday Night
Scattered showers. Partly cloudy, with a low around 80. East wind around 7 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 92. East southeast wind around 9 mph.
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. Mostly cloudy, with a low around 79. Chance of precipitation is 40%.
Monday
Scattered showers. Partly sunny, with a high near 90. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Daguao PR
 18.23°N 65.7°W (Elev. 233 ft)
Last Update:
5:19 am AST Sep 22, 2026
Forecast Valid:
7am AST Sep 22, 2026-6pm AST Sep 28, 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