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

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. 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

77°F

25°C

Humidity 74%
Wind Speed SE 3 mph
Barometer 30.05 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Feb 9:56 pm AST
Extended Forecast for

San Juan PR

  • Tonight

    Tonight: Isolated showers before midnight, then isolated showers after 3am. Mostly clear, with a low around 72. East wind around 7 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers. Mostly sunny, with a high near 87. East northeast wind 7 to 14 mph. Chance of precipitation is 10%.

    High: 87 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Isolated showers after midnight. Mostly clear, with a low around 72. East wind 7 to 9 mph. Chance of precipitation is 10%.

    Low: 72 °F

    Mostly Clear
    then Isolated
    Showers

  • Friday

    Friday: Isolated showers between 9am and noon. Sunny, with a high near 88. East wind 7 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.

    High: 88 °F

    Isolated
    Showers then
    Sunny

  • Friday Night

    Friday Night: Isolated showers. Partly cloudy, with a low around 72. East wind 6 to 9 mph. Chance of precipitation is 10%.

    Low: 72 °F

    Isolated
    Showers

  • Saturday

    Saturday: Scattered showers, mainly before noon. Mostly sunny, with a high near 87. East wind 9 to 16 mph. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. East southeast wind 5 to 9 mph.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Scattered showers. Partly sunny, with a high near 87. East wind 7 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. Southeast wind 5 to 8 mph.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Tonight
Isolated showers before midnight, then isolated showers after 3am. Mostly clear, with a low around 72. East wind around 7 mph. Chance of precipitation is 20%.
Thursday
Isolated showers. Mostly sunny, with a high near 87. East northeast wind 7 to 14 mph. Chance of precipitation is 10%.
Thursday Night
Isolated showers after midnight. Mostly clear, with a low around 72. East wind 7 to 9 mph. Chance of precipitation is 10%.
Friday
Isolated showers between 9am and noon. Sunny, with a high near 88. East wind 7 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.
Friday Night
Isolated showers. Partly cloudy, with a low around 72. East wind 6 to 9 mph. Chance of precipitation is 10%.
Saturday
Scattered showers, mainly before noon. Mostly sunny, with a high near 87. East wind 9 to 16 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 71. East southeast wind 5 to 9 mph.
Sunday
Scattered showers. Partly sunny, with a high near 87. East wind 7 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Sunday Night
Mostly clear, with a low around 71. Southeast wind 5 to 8 mph.
Monday
Scattered showers, mainly before noon. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Scattered showers. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Tuesday Night
Clear, with a low around 73.
Wednesday
Scattered showers. Partly sunny, with a high near 85. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Juan PR
 18.41°N 66.07°W (Elev. 56 ft)
Last Update:
9:13 pm AST Feb 18, 2026
Forecast Valid:
10pm AST Feb 18, 2026-6pm AST Feb 25, 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