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

30°C

86°F

Humidity 66%
Wind Speed NE 20 G 39 km/h
Barometer 30.08 in
Dewpoint 23°C (73°F)
Visibility 13 km
Heat Index34°C (93°F)
Last update 13 Jul 11:56 am AST
Extended Forecast for

San Juan PR

  • This Afternoon

    This Afternoon: Isolated showers. Mostly sunny, with a high near 32. East wind around 21 km/h. Chance of precipitation is 20%.

    High: 32 °C

    Isolated
    Showers

  • Tonight

    Tonight: Scattered showers, mainly between 9pm and midnight. Partly cloudy, with a low around 24. East wind 11 to 13 km/h. Chance of precipitation is 30%.

    Low: 24 °C

    Scattered
    Showers

  • Monday

    Monday: Scattered showers after 9am. Increasing clouds, with a high near 32. East wind 11 to 16 km/h increasing to 19 to 24 km/h in the morning. Winds could gust as high as 32 km/h. Chance of precipitation is 50%. New precipitation amounts between 7.5 mm and 1 cm possible.

    High: 32 °C

    Scattered
    Showers

  • Monday Night

    Monday Night: Isolated showers after midnight. Mostly clear, with a low around 24. East southeast wind around 14 km/h. Chance of precipitation is 10%.

    Low: 24 °C

    Mostly Clear
    then Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers after noon. Mostly sunny, with a high near 32. East wind 16 to 21 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 35 km/h. Chance of precipitation is 50%.

    High: 32 °C

    Sunny then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers. Partly cloudy, with a low around 26. East wind 14 to 21 km/h. Chance of precipitation is 10%.

    Low: 26 °C

    Isolated
    Showers

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 32. East wind 16 to 23 km/h. Chance of precipitation is 60%.

    High: 32 °C

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. East southeast wind around 14 km/h.

    Low: 26 °C

    Partly Cloudy

  • Thursday

    Thursday: Scattered showers, mainly before noon. Mostly sunny, with a high near 32. East wind 18 to 26 km/h, with gusts as high as 34 km/h. Chance of precipitation is 30%.

    High: 32 °C

    Scattered
    Showers then
    Mostly Sunny

Detailed Forecast

This Afternoon
Isolated showers. Mostly sunny, with a high near 32. East wind around 21 km/h. Chance of precipitation is 20%.
Tonight
Scattered showers, mainly between 9pm and midnight. Partly cloudy, with a low around 24. East wind 11 to 13 km/h. Chance of precipitation is 30%.
Monday
Scattered showers after 9am. Increasing clouds, with a high near 32. East wind 11 to 16 km/h increasing to 19 to 24 km/h in the morning. Winds could gust as high as 32 km/h. Chance of precipitation is 50%. New precipitation amounts between 7.5 mm and 1 cm possible.
Monday Night
Isolated showers after midnight. Mostly clear, with a low around 24. East southeast wind around 14 km/h. Chance of precipitation is 10%.
Tuesday
Scattered showers after noon. Mostly sunny, with a high near 32. East wind 16 to 21 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 35 km/h. Chance of precipitation is 50%.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 26. East wind 14 to 21 km/h. Chance of precipitation is 10%.
Wednesday
Showers likely. Mostly cloudy, with a high near 32. East wind 16 to 23 km/h. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 26. East southeast wind around 14 km/h.
Thursday
Scattered showers, mainly before noon. Mostly sunny, with a high near 32. East wind 18 to 26 km/h, with gusts as high as 34 km/h. Chance of precipitation is 30%.
Thursday Night
Clear, with a low around 26.
Friday
Mostly sunny, with a high near 32.
Friday Night
Clear, with a low around 25.
Saturday
Mostly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Juan PR
 18.41°N 66.08°W (Elev. 16 m)
Last Update:
3:46 am AST Jul 13, 2025
Forecast Valid:
12pm AST Jul 13, 2025-6pm AST Jul 19, 2025
 
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