Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

75°F

24°C

Humidity 74%
Wind Speed E 7 mph
Barometer 30.01 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 16 Mar 2:56 am AST
Extended Forecast for

San Juan PR

  • Overnight

    Overnight: Isolated showers.  Partly cloudy, with a low around 72. East wind around 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 10%.

    Low: 72 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers before 9am, then scattered showers after noon.  Mostly sunny, with a high near 86. East wind 15 to 23 mph, with gusts as high as 33 mph.  Chance of precipitation is 40%.

    High: 86 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers, mainly after 3am.  Partly cloudy, with a low around 72. East wind 11 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%.

    Low: 72 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers.  Mostly sunny, with a high near 86. East wind 14 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly before midnight.  Partly cloudy, with a low around 72. East wind 8 to 10 mph.  Chance of precipitation is 30%.

    Low: 72 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers.  Mostly sunny, with a high near 86. East wind 10 to 17 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers.  Partly cloudy, with a low around 71. East wind 7 to 10 mph.  Chance of precipitation is 30%.

    Low: 71 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers.  Partly sunny, with a high near 87. East wind 7 to 17 mph, with gusts as high as 23 mph.  Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70. Southeast wind 5 to 8 mph.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 72. East wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.
Monday
Isolated showers before 9am, then scattered showers after noon. Mostly sunny, with a high near 86. East wind 15 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.
Monday Night
Scattered showers, mainly after 3am. Partly cloudy, with a low around 72. East wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Tuesday
Scattered showers. Mostly sunny, with a high near 86. East wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 72. East wind 8 to 10 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers. Mostly sunny, with a high near 86. East wind 10 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 71. East wind 7 to 10 mph. Chance of precipitation is 30%.
Thursday
Scattered showers. Partly sunny, with a high near 87. East wind 7 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 70. Southeast wind 5 to 8 mph.
Friday
Scattered showers, mainly after noon. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Showers likely. Mostly cloudy, with a high near 87. Chance of precipitation is 70%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Sunday
Scattered showers. Mostly cloudy, with a high near 85. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
San Juan PR
 18.41°N 66.07°W (Elev. 56 ft)
3:44 am AST Mar 16, 2026
3am AST Mar 16, 2026-6pm AST Mar 22, 2026
 
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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