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 and Breezy

87°F

31°C

Humidity 61%
Wind Speed NE 23 G 32 mph
Barometer 30.04 in (1017.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 19 May 1:56 pm AST
Extended Forecast for

San Juan PR

  • This Afternoon

    This Afternoon: Scattered showers. Partly sunny, with a high near 89. East wind around 18 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 89 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, mainly before midnight. Partly cloudy, with a low around 76. East wind 8 to 11 mph. Chance of precipitation is 40%.

    Low: 76 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 89. East wind 11 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    High: 89 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Mostly cloudy, with a low around 76. East southeast wind 8 to 11 mph. Chance of precipitation is 50%.

    Low: 76 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers, mainly before noon. Mostly sunny, with a high near 89. East wind 10 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 89 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers. Mostly cloudy, with a low around 76. East wind 8 to 11 mph. Chance of precipitation is 40%.

    Low: 76 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers. Mostly cloudy, with a high near 90. East wind 10 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    High: 90 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 76. East wind 7 to 9 mph.

    Low: 76 °F

    Partly Cloudy

  • Saturday

    Saturday: Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 89 °F

    Mostly Sunny
    then
    Scattered
    Showers

Detailed Forecast

This Afternoon
Scattered showers. Partly sunny, with a high near 89. East wind around 18 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Tonight
Scattered showers, mainly before midnight. Partly cloudy, with a low around 76. East wind 8 to 11 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers. Partly sunny, with a high near 89. East wind 11 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 76. East southeast wind 8 to 11 mph. Chance of precipitation is 50%.
Thursday
Scattered showers, mainly before noon. Mostly sunny, with a high near 89. East wind 10 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 76. East wind 8 to 11 mph. Chance of precipitation is 40%.
Friday
Scattered showers. Mostly cloudy, with a high near 90. East wind 10 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 76. East wind 7 to 9 mph.
Saturday
Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.
Sunday
Scattered showers. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.
Memorial Day
Scattered showers. Partly sunny, with a high near 89. Chance of precipitation is 40%.
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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 ft)
Last Update:
2:16 pm AST May 19, 2026
Forecast Valid:
2pm AST May 19, 2026-6pm AST May 25, 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