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.

A Few Clouds

24°C

76°F

Humidity 74%
Wind Speed SE 13 km/h
Barometer 1016.8 mb (30.03 in)
Dewpoint 19°C (67°F)
Visibility 16 km
Heat Index25°C (77°F)
Last update 16 Mar 1:56 am AST
Extended Forecast for

San Juan PR

  • Overnight

    Overnight: Isolated showers after 3am. Partly cloudy, with a low around 22. East southeast wind around 21 km/h. Chance of precipitation is 10%.

    Low: 22 °C

    Isolated
    Showers

  • Monday

    Monday: Isolated showers before 9am, then scattered showers after noon. Mostly sunny, with a high near 30. East wind 24 to 29 km/h increasing to 30 to 35 km/h in the afternoon. Winds could gust as high as 45 km/h. Chance of precipitation is 40%.

    High: 30 °C

    Isolated
    Showers then
    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers, mainly after 3am. Partly cloudy, with a low around 22. East wind 16 to 21 km/h. Chance of precipitation is 30%.

    Low: 22 °C

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers. Mostly sunny, with a high near 30. East wind 23 to 29 km/h, with gusts as high as 37 km/h. Chance of precipitation is 30%.

    High: 30 °C

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 22. East wind 14 to 16 km/h. Chance of precipitation is 30%.

    Low: 22 °C

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 30. East wind 14 to 19 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 40%.

    High: 30 °C

    Isolated
    Showers then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Mostly cloudy, with a low around 22. East wind around 14 km/h. Chance of precipitation is 50%.

    Low: 22 °C

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers. Partly sunny, with a high near 31. East wind 13 to 18 km/h increasing to 19 to 24 km/h in the afternoon. Chance of precipitation is 40%.

    High: 31 °C

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21. Southeast wind 8 to 13 km/h.

    Low: 21 °C

    Partly Cloudy

Detailed Forecast

Overnight
Isolated showers after 3am. Partly cloudy, with a low around 22. East southeast wind around 21 km/h. Chance of precipitation is 10%.
Monday
Isolated showers before 9am, then scattered showers after noon. Mostly sunny, with a high near 30. East wind 24 to 29 km/h increasing to 30 to 35 km/h in the afternoon. Winds could gust as high as 45 km/h. Chance of precipitation is 40%.
Monday Night
Scattered showers, mainly after 3am. Partly cloudy, with a low around 22. East wind 16 to 21 km/h. Chance of precipitation is 30%.
Tuesday
Scattered showers. Mostly sunny, with a high near 30. East wind 23 to 29 km/h, with gusts as high as 37 km/h. Chance of precipitation is 30%.
Tuesday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 22. East wind 14 to 16 km/h. Chance of precipitation is 30%.
Wednesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 30. East wind 14 to 19 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 40%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 22. East wind around 14 km/h. Chance of precipitation is 50%.
Thursday
Scattered showers. Partly sunny, with a high near 31. East wind 13 to 18 km/h increasing to 19 to 24 km/h in the afternoon. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 21. Southeast wind 8 to 13 km/h.
Friday
Scattered showers, mainly after noon. Partly sunny, with a high near 31. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Showers likely. Partly sunny, with a high near 31. Chance of precipitation is 70%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 21. Chance of precipitation is 50%.
Sunday
Scattered showers. Mostly cloudy, with a high near 29. Chance of precipitation is 50%.
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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:
9:09 pm AST Mar 15, 2026
Forecast Valid:
2am AST Mar 16, 2026-6pm AST Mar 22, 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