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

Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Mostly Cloudy

82°F

28°C

Humidity 70%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 31 Jan 11:56 am AST
Extended Forecast for

Emajagua PR

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 81. East southeast wind around 14 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 81 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 74. South southeast wind 10 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 74 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 82. South southeast wind 9 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    High: 82 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms before 9pm, then scattered showers between 9pm and midnight, then scattered showers and thunderstorms after midnight. Mostly cloudy, with a low around 72. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 50%.

    Low: 72 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers. Mostly sunny, with a high near 81. Northeast wind 7 to 9 mph becoming south southwest in the afternoon. Chance of precipitation is 30%.

    High: 81 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 71. North wind 14 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 71 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Showers likely. Mostly cloudy, with a high near 77. North northeast wind 18 to 20 mph. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely. Cloudy, with a low around 71. North northeast wind 15 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 71 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely. Cloudy, with a high near 80. East northeast wind 9 to 14 mph. Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 81. East southeast wind around 14 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Tonight
Showers and possibly a thunderstorm. Low around 74. South southeast wind 10 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday
Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 82. South southeast wind 9 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Scattered showers and thunderstorms before 9pm, then scattered showers between 9pm and midnight, then scattered showers and thunderstorms after midnight. Mostly cloudy, with a low around 72. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 50%.
Monday
Scattered showers. Mostly sunny, with a high near 81. Northeast wind 7 to 9 mph becoming south southwest in the afternoon. Chance of precipitation is 30%.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 71. North wind 14 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Tuesday
Showers likely. Mostly cloudy, with a high near 77. North northeast wind 18 to 20 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Cloudy, with a low around 71. North northeast wind 15 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Wednesday
Showers likely. Cloudy, with a high near 80. East northeast wind 9 to 14 mph. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Cloudy, with a low around 72. Chance of precipitation is 70%.
Thursday
Scattered showers. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Thursday Night
Clear, with a low around 72.
Friday
Scattered showers. Mostly sunny, with a high near 82. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Emajagua PR
 18°N 65.87°W (Elev. 0 ft)
Last Update:
9:10 am AST Jan 31, 2026
Forecast Valid:
12pm AST Jan 31, 2026-6pm AST Feb 6, 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