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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

75°F

24°C

Humidity 89%
Wind Speed E 5 mph
Barometer 29.99 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 18 Apr 10:56 pm AST
Extended Forecast for

4 Miles SSW Palmer PR

  • Tonight

    Tonight: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 62. East wind around 9 mph. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 75. East wind around 11 mph. Chance of precipitation is 50%.

    High: 75 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 3am. Mostly cloudy, with a low around 62. East wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Showers
    Likely

  • Monday

    Monday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 75. East wind 10 to 13 mph. Chance of precipitation is 50%.

    High: 75 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 62. East wind 6 to 8 mph. Chance of precipitation is 50%.

    Low: 62 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 75. East wind 6 to 9 mph. Chance of precipitation is 40%.

    High: 75 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62. East wind 3 to 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 75. East northeast wind around 7 mph. Chance of precipitation is 40%.

    High: 75 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. East wind around 6 mph.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 62. East wind around 9 mph. Chance of precipitation is 60%.
Sunday
Scattered showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 75. East wind around 11 mph. Chance of precipitation is 50%.
Sunday Night
Showers likely, mainly before 3am. Mostly cloudy, with a low around 62. East wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 75. East wind 10 to 13 mph. Chance of precipitation is 50%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 62. East wind 6 to 8 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 75. East wind 6 to 9 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 62. East wind 3 to 5 mph.
Wednesday
Scattered showers. Partly sunny, with a high near 75. East northeast wind around 7 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 62. East wind around 6 mph.
Thursday
Scattered showers. Partly sunny, with a high near 75. Chance of precipitation is 50%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
Scattered showers. Mostly sunny, with a high near 75. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Scattered showers. Mostly sunny, with a high near 75. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Palmer PR
 18.31°N 65.79°W (Elev. 2100 ft)
Last Update:
4:05 pm AST Apr 18, 2026
Forecast Valid:
11pm AST Apr 18, 2026-6pm AST Apr 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