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

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. 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

75°F

24°C

Humidity 89%
Wind Speed W 3 mph
Barometer 30.15 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 27 Jan 9:56 am AST
Extended Forecast for

San Juan PR

  • Today

    Today: Scattered showers, mainly before noon. Mostly sunny, with a high near 86. East wind 8 to 13 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 70. East southeast wind around 7 mph. Chance of precipitation is 10%.

    Low: 70 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers. Mostly sunny, with a high near 85. East wind 6 to 13 mph. Chance of precipitation is 20%.

    High: 85 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers after midnight. Mostly clear, with a low around 70. East southeast wind 5 to 7 mph. Chance of precipitation is 10%.

    Low: 70 °F

    Mostly Clear
    then Isolated
    Showers

  • Thursday

    Thursday: Sunny, with a high near 86. East wind 6 to 13 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Isolated showers. Partly cloudy, with a low around 70. East southeast wind 3 to 7 mph. Chance of precipitation is 10%.

    Low: 70 °F

    Isolated
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 86. East wind 5 to 11 mph.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. Southeast wind 5 to 8 mph.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 88. Light southeast wind becoming east southeast 10 to 15 mph in the morning.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers, mainly before noon. Mostly sunny, with a high near 86. East wind 8 to 13 mph. Chance of precipitation is 30%.
Tonight
Isolated showers. Partly cloudy, with a low around 70. East southeast wind around 7 mph. Chance of precipitation is 10%.
Wednesday
Isolated showers. Mostly sunny, with a high near 85. East wind 6 to 13 mph. Chance of precipitation is 20%.
Wednesday Night
Isolated showers after midnight. Mostly clear, with a low around 70. East southeast wind 5 to 7 mph. Chance of precipitation is 10%.
Thursday
Sunny, with a high near 86. East wind 6 to 13 mph.
Thursday Night
Isolated showers. Partly cloudy, with a low around 70. East southeast wind 3 to 7 mph. Chance of precipitation is 10%.
Friday
Mostly sunny, with a high near 86. East wind 5 to 11 mph.
Friday Night
Partly cloudy, with a low around 72. Southeast wind 5 to 8 mph.
Saturday
Mostly sunny, with a high near 88. Light southeast wind becoming east southeast 10 to 15 mph in the morning.
Saturday Night
Scattered showers. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Sunday
Scattered showers. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Sunday Night
Scattered showers. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Monday
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:
3:05 am AST Jan 27, 2026
Forecast Valid:
10am AST Jan 27, 2026-6pm AST Feb 2, 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