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

Tracking Winter Weather and Frigid Temperatures This Weekend

Another clipper will drop into the Northern Plains and Upper Midwest into Sunday with snow and gusty winds contributing to some areas of blizzard conditions and snow squalls. Impactful snowfall will occur up and down the East Coast Sunday extending from the western Florida Panhandle to Maine. Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

79°F

26°C

Humidity 84%
Wind Speed E 6 mph
Barometer 30.05 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Jan 7:56 pm AST
Extended Forecast for

San Juan PR

  • Tonight

    Tonight: Scattered showers before midnight, then scattered showers after 3am. Partly cloudy, with a low around 72. East wind 10 to 13 mph. Chance of precipitation is 40%.

    Low: 72 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, mainly after 3pm. Partly sunny, with a high near 86. East wind 9 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Scattered showers. Mostly cloudy, with a low around 73. East wind around 10 mph. Chance of precipitation is 40%.

    Low: 73 °F

    Scattered
    Showers

  • M.L.King Day

    M.L.King Day: Scattered showers. Partly sunny, with a high near 87. East wind 8 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 72. East wind around 10 mph. Chance of precipitation is 50%.

    Low: 72 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 86. East wind 10 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Partly cloudy, with a low around 72. East wind around 11 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 86. East wind 11 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 86 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Mostly cloudy, with a low around 72. East wind 11 to 13 mph. Chance of precipitation is 50%.

    Low: 72 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Scattered showers before midnight, then scattered showers after 3am. Partly cloudy, with a low around 72. East wind 10 to 13 mph. Chance of precipitation is 40%.
Sunday
Scattered showers, mainly after 3pm. Partly sunny, with a high near 86. East wind 9 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 73. East wind around 10 mph. Chance of precipitation is 40%.
M.L.King Day
Scattered showers. Partly sunny, with a high near 87. East wind 8 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 72. East wind around 10 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 86. East wind 10 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 72. East wind around 11 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers. Partly sunny, with a high near 86. East wind 11 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 72. East wind 11 to 13 mph. Chance of precipitation is 50%.
Thursday
Showers likely, mainly before noon. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Friday
Scattered showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 72.
Saturday
Scattered showers. Mostly sunny, with a high near 86. 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 66.07°W (Elev. 56 ft)
Last Update:
4:04 pm AST Jan 17, 2026
Forecast Valid:
8pm AST Jan 17, 2026-6pm AST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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