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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

76°F

24°C

Humidity 82%
Wind Speed SE 5 mph
Barometer 29.92 in (1013.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 16 Apr 4:56 am AST
Extended Forecast for

4 Miles SSW Palmer PR

  • Overnight

    Overnight: Scattered showers. Partly cloudy, with a low around 62. East southeast wind around 7 mph. Chance of precipitation is 50%.

    Low: 62 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers, then showers and possibly a thunderstorm after noon. High near 73. East southeast wind 9 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 73 °F

    Scattered
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. East wind 5 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 73. East wind 6 to 10 mph. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 61. East wind 5 to 8 mph. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. East wind 8 to 11 mph. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 62. East wind around 7 mph. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely. Mostly cloudy, with a high near 73. East wind around 10 mph. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Scattered showers. Mostly cloudy, with a low around 61. East wind 6 to 8 mph. Chance of precipitation is 50%.

    Low: 61 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Scattered showers. Partly cloudy, with a low around 62. East southeast wind around 7 mph. Chance of precipitation is 50%.
Thursday
Scattered showers, then showers and possibly a thunderstorm after noon. High near 73. East southeast wind 9 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. East wind 5 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 73. East wind 6 to 10 mph. Chance of precipitation is 70%.
Friday Night
Showers likely, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 61. East wind 5 to 8 mph. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. East wind 8 to 11 mph. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 62. East wind around 7 mph. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 73. East wind around 10 mph. Chance of precipitation is 60%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 61. East wind 6 to 8 mph. Chance of precipitation is 50%.
Monday
Scattered showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Monday Night
Scattered showers. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Tuesday
Scattered showers. Partly sunny, with a high near 73. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Wednesday
Scattered showers. Partly sunny, with a high near 73. Chance of precipitation is 50%.
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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:
4:02 pm AST Apr 15, 2026
Forecast Valid:
5am AST Apr 16, 2026-6pm AST Apr 22, 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