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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. 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 and Breezy

85°F

29°C

Humidity 50%
Wind Speed E 22 G 31 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 18 Mar 1:56 pm AST
Extended Forecast for

Emajagua PR

  • This Afternoon

    This Afternoon: Isolated showers. Mostly sunny, with a high near 82. East wind around 16 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.

    High: 82 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers before 9pm, then showers likely after midnight. Increasing clouds, with a low around 72. East wind 11 to 13 mph. Chance of precipitation is 60%.

    Low: 72 °F

    Isolated
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 9am. Partly sunny, with a high near 82. East wind 10 to 13 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Isolated showers. Partly cloudy, with a low around 73. East wind around 9 mph. Chance of precipitation is 20%.

    Low: 73 °F

    Isolated
    Showers

  • Friday

    Friday: Showers likely, mainly before noon. Partly sunny, with a high near 81. South southeast wind around 9 mph. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely then
    Isolated
    Showers

  • Friday Night

    Friday Night: Isolated showers after midnight. Mostly clear, with a low around 72. Light southeast wind. Chance of precipitation is 20%.

    Low: 72 °F

    Clear then
    Isolated
    Showers

  • Saturday

    Saturday: Scattered showers. Mostly sunny, with a high near 81. Calm wind becoming south southeast 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

    High: 81 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers. Mostly cloudy, with a low around 71. Calm wind becoming north 5 to 7 mph after midnight. Chance of precipitation is 40%.

    Low: 71 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers. Mostly cloudy, with a high near 81. East northeast wind 7 to 13 mph. Chance of precipitation is 50%.

    High: 81 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Isolated showers. Mostly sunny, with a high near 82. East wind around 16 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.
Tonight
Isolated showers before 9pm, then showers likely after midnight. Increasing clouds, with a low around 72. East wind 11 to 13 mph. Chance of precipitation is 60%.
Thursday
Showers likely, mainly before 9am. Partly sunny, with a high near 82. East wind 10 to 13 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Isolated showers. Partly cloudy, with a low around 73. East wind around 9 mph. Chance of precipitation is 20%.
Friday
Showers likely, mainly before noon. Partly sunny, with a high near 81. South southeast wind around 9 mph. Chance of precipitation is 60%.
Friday Night
Isolated showers after midnight. Mostly clear, with a low around 72. Light southeast wind. Chance of precipitation is 20%.
Saturday
Scattered showers. Mostly sunny, with a high near 81. Calm wind becoming south southeast 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 71. Calm wind becoming north 5 to 7 mph after midnight. Chance of precipitation is 40%.
Sunday
Scattered showers. Mostly cloudy, with a high near 81. East northeast wind 7 to 13 mph. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 71.
Monday
Scattered showers. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Monday Night
Scattered showers. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Tuesday
Scattered showers. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Emajagua PR
 18°N 65.87°W (Elev. 0 ft)
Last Update:
9:27 am AST Mar 18, 2026
Forecast Valid:
2pm AST Mar 18, 2026-6pm AST Mar 24, 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