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.

Partly Cloudy

84°F

29°C

Humidity 77%
Wind Speed E 9 mph
Barometer 30.02 in (1016.3 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 17 Aug 7:56 pm AST
Extended Forecast for

Daguao PR

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 78. East northeast wind around 8 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly between 9am and noon. Mostly sunny, with a high near 91. Heat index values as high as 102. East wind 10 to 13 mph. Chance of precipitation is 30%.

    High: 91 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 78. East northeast wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 78 °F

    Isolated
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms after noon. Mostly cloudy, with a high near 91. Heat index values as high as 103. Southeast wind 7 to 10 mph. Chance of precipitation is 60%.

    High: 91 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. East wind around 9 mph. Chance of precipitation is 60%.

    Low: 78 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before noon, then isolated showers. Partly sunny, with a high near 91. East wind around 14 mph. Chance of precipitation is 60%.

    High: 91 °F

    Showers
    Likely then
    Isolated
    Showers

  • Thursday Night

    Thursday Night: Scattered showers. Partly cloudy, with a low around 79. East wind 11 to 13 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 91. East wind 11 to 13 mph.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Scattered showers. Mostly cloudy, with a low around 78. East northeast wind around 10 mph. Chance of precipitation is 40%.

    Low: 78 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Isolated showers. Partly cloudy, with a low around 78. East northeast wind around 8 mph. Chance of precipitation is 20%.
Tuesday
Scattered showers, mainly between 9am and noon. Mostly sunny, with a high near 91. Heat index values as high as 102. East wind 10 to 13 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 78. East northeast wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms after noon. Mostly cloudy, with a high near 91. Heat index values as high as 103. Southeast wind 7 to 10 mph. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. East wind around 9 mph. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm before noon, then isolated showers. Partly sunny, with a high near 91. East wind around 14 mph. Chance of precipitation is 60%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 79. East wind 11 to 13 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 91. East wind 11 to 13 mph.
Friday Night
Scattered showers. Mostly cloudy, with a low around 78. East northeast wind around 10 mph. Chance of precipitation is 40%.
Saturday
Scattered showers. Partly sunny, with a high near 91. Chance of precipitation is 40%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 78. Chance of precipitation is 40%.
Sunday
Scattered showers. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
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 91. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Daguao PR
 18.23°N 65.7°W (Elev. 233 ft)
Last Update:
3:46 pm AST Aug 17, 2026
Forecast Valid:
8pm AST Aug 17, 2026-6pm AST Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

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