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

Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through Monday. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

80°F

27°C

Humidity 79%
Wind Speed Vrbl 3 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 1 Feb 7:56 pm AST
Extended Forecast for

Loiza PR

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 3am, then scattered showers and thunderstorms after 3am. Mostly cloudy, with a low around 74. Southwest wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    Low: 74 °F

    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 81. Southwest wind 6 to 11 mph becoming north 13 to 18 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 81 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 72. North wind 17 to 21 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 72 °F

    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 79. North northeast wind 17 to 21 mph. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 72. East northeast wind 15 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 72 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 80. East wind 15 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    High: 80 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely. Cloudy, with a low around 73. East southeast wind around 11 mph. Chance of precipitation is 70%.

    Low: 73 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly after noon. Mostly cloudy, with a high near 84. East southeast wind 7 to 11 mph. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Scattered showers. Partly cloudy, with a low around 72. South wind around 7 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 3am, then scattered showers and thunderstorms after 3am. Mostly cloudy, with a low around 74. Southwest wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Monday
Showers and possibly a thunderstorm. High near 81. Southwest wind 6 to 11 mph becoming north 13 to 18 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
Showers and possibly a thunderstorm. Low around 72. North wind 17 to 21 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Tuesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 79. North northeast wind 17 to 21 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 72. East northeast wind 15 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 80. East wind 15 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Cloudy, with a low around 73. East southeast wind around 11 mph. Chance of precipitation is 70%.
Thursday
Showers likely, mainly after noon. Mostly cloudy, with a high near 84. East southeast wind 7 to 11 mph. Chance of precipitation is 60%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 72. South wind around 7 mph. Chance of precipitation is 30%.
Friday
Scattered showers. Mostly cloudy, with a high near 84. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 71.
Saturday
Showers likely. Mostly sunny, with a high near 81. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Sunday
Showers. High near 81. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Loiza PR
 18.44°N 65.89°W (Elev. 3 ft)
Last Update:
4:40 pm AST Feb 1, 2026
Forecast Valid:
8pm AST Feb 1, 2026-6pm AST Feb 8, 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