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

Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Mostly Cloudy

82°F

28°C

Humidity 58%
Wind Speed E 20 G 28 mph
Barometer 30.00 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 28 Feb 1:56 pm AST
Extended Forecast for

San Juan PRSimilar City Names

  • This Afternoon

    This Afternoon: Isolated showers. Sunny, with a high near 87. East southeast wind around 21 mph. Chance of precipitation is 10%.

    High: 87 °F

    Isolated
    Showers

  • Tonight

    Tonight: Scattered showers before 9pm, then isolated showers after midnight. Partly cloudy, with a low around 72. East southeast wind around 10 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Scattered
    Showers

  • Sunday

    Sunday: Sunny, with a high near 87. East southeast wind 11 to 18 mph, with gusts as high as 23 mph.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Scattered showers. Mostly cloudy, with a low around 72. East southeast wind 7 to 9 mph. Chance of precipitation is 40%.

    Low: 72 °F

    Scattered
    Showers

  • Monday

    Monday: Showers likely, mainly before noon. Partly sunny, with a high near 86. East wind 10 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely then
    Isolated
    Showers

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 72. East wind around 9 mph. Chance of precipitation is 40%.

    Low: 72 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers. Mostly sunny, with a high near 86. East wind 10 to 20 mph. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Mostly cloudy, with a low around 72. East wind 11 to 13 mph. Chance of precipitation is 50%.

    Low: 72 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Mostly cloudy, with a high near 85. East wind 14 to 20 mph. Chance of precipitation is 50%.

    High: 85 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Isolated showers. Sunny, with a high near 87. East southeast wind around 21 mph. Chance of precipitation is 10%.
Tonight
Scattered showers before 9pm, then isolated showers after midnight. Partly cloudy, with a low around 72. East southeast wind around 10 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 87. East southeast wind 11 to 18 mph, with gusts as high as 23 mph.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 72. East southeast wind 7 to 9 mph. Chance of precipitation is 40%.
Monday
Showers likely, mainly before noon. Partly sunny, with a high near 86. East wind 10 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 72. East wind around 9 mph. Chance of precipitation is 40%.
Tuesday
Scattered showers. Mostly sunny, with a high near 86. East wind 10 to 20 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 72. East wind 11 to 13 mph. Chance of precipitation is 50%.
Wednesday
Scattered showers. Mostly cloudy, with a high near 85. East wind 14 to 20 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Thursday
Scattered showers. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Friday
Showers likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Juan PRSimilar City Names
 18.41°N 66.07°W (Elev. 56 ft)
Last Update:
1:45 pm AST Feb 28, 2026
Forecast Valid:
2pm AST Feb 28, 2026-6pm AST Mar 6, 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