Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

79°F

26°C

Humidity 74%
Wind Speed E 9 mph
Barometer 29.97 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 29 Jan 6:56 pm AST
Extended Forecast for

4 Miles S Jagual PR

  • Tonight

    Tonight: Scattered showers, mainly after 3am.  Partly cloudy, with a low around 67. Northeast wind 3 to 6 mph.  Chance of precipitation is 40%.

    Low: 67 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Friday

    Friday: Scattered showers, mainly after noon.  Partly sunny, with a high near 78. Light east northeast wind becoming east 5 to 10 mph in the morning.  Chance of precipitation is 40%.

    High: 78 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Isolated showers before 9pm.  Mostly clear, with a low around 69. East southeast wind around 7 mph.  Chance of precipitation is 10%.

    Low: 69 °F

    Isolated
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Showers likely, mainly after noon.  Partly sunny, with a high near 77. Southeast wind 8 to 13 mph.  Chance of precipitation is 60%.

    High: 77 °F

    Isolated
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 69. Southeast wind around 8 mph.  Chance of precipitation is 50%.

    Low: 69 °F

    Scattered
    Showers

  • Sunday

    Sunday: Isolated showers.  Mostly sunny, with a high near 78. South southeast wind 6 to 13 mph.  Chance of precipitation is 20%.

    High: 78 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68. South southeast wind around 5 mph becoming calm  in the evening.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Scattered showers, mainly after noon.  Mostly sunny, with a high near 75. North wind 3 to 6 mph.  Chance of precipitation is 40%.

    High: 75 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Monday Night

    Monday Night: Showers likely.  Mostly cloudy, with a low around 67. North wind 10 to 14 mph.  Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

Detailed Forecast

Tonight
Scattered showers, mainly after 3am. Partly cloudy, with a low around 67. Northeast wind 3 to 6 mph. Chance of precipitation is 40%.
Friday
Scattered showers, mainly after noon. Partly sunny, with a high near 78. Light east northeast wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 40%.
Friday Night
Isolated showers before 9pm. Mostly clear, with a low around 69. East southeast wind around 7 mph. Chance of precipitation is 10%.
Saturday
Showers likely, mainly after noon. Partly sunny, with a high near 77. Southeast wind 8 to 13 mph. Chance of precipitation is 60%.
Saturday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 69. Southeast wind around 8 mph. Chance of precipitation is 50%.
Sunday
Isolated showers. Mostly sunny, with a high near 78. South southeast wind 6 to 13 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 68. South southeast wind around 5 mph becoming calm in the evening.
Monday
Scattered showers, mainly after noon. Mostly sunny, with a high near 75. North wind 3 to 6 mph. Chance of precipitation is 40%.
Monday Night
Showers likely. Mostly cloudy, with a low around 67. North wind 10 to 14 mph. Chance of precipitation is 60%.
Tuesday
Showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Wednesday
Scattered showers. Partly sunny, with a high near 75. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Jagual PR
 18.1°N 65.99°W (Elev. 1004 ft)
3:56 pm AST Jan 29, 2026
7pm AST Jan 29, 2026-6pm AST Feb 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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