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

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Light Rain

83°F

28°C

Humidity 72%
Wind Speed E 12 G 20 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 15 Sep 10:56 am AST
Extended Forecast for

5 Miles SSW Palmer PR

  • Today

    Today: Scattered showers and thunderstorms. Partly sunny, with a high near 74. East wind around 11 mph. Chance of precipitation is 50%.

    High: 74 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, mainly before 3am. Mostly cloudy, with a low around 68. East wind around 9 mph. Chance of precipitation is 50%.

    Low: 68 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 74. East wind 9 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 74 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. East southeast wind 7 to 10 mph. Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 74. East southeast wind 10 to 13 mph. Chance of precipitation is 80%.

    High: 74 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. East wind around 9 mph. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before noon. Partly sunny, with a high near 75. East wind 8 to 10 mph. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely then
    Scattered
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 67. East wind 5 to 7 mph.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Scattered showers, mainly after noon. Mostly sunny, with a high near 75. East wind 6 to 10 mph. Chance of precipitation is 30%.

    High: 75 °F

    Mostly Sunny
    then
    Scattered
    Showers

Detailed Forecast

Today
Scattered showers and thunderstorms. Partly sunny, with a high near 74. East wind around 11 mph. Chance of precipitation is 50%.
Tonight
Scattered showers, mainly before 3am. Mostly cloudy, with a low around 68. East wind around 9 mph. Chance of precipitation is 50%.
Wednesday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 74. East wind 9 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. East southeast wind 7 to 10 mph. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. High near 74. East southeast wind 10 to 13 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. East wind around 9 mph. Chance of precipitation is 60%.
Friday
Showers likely, mainly before noon. Partly sunny, with a high near 75. East wind 8 to 10 mph. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 67. East wind 5 to 7 mph.
Saturday
Scattered showers, mainly after noon. Mostly sunny, with a high near 75. East wind 6 to 10 mph. Chance of precipitation is 30%.
Saturday Night
Scattered showers. Partly cloudy, with a low around 66. Chance of precipitation is 40%.
Sunday
Scattered showers. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
Sunday Night
Scattered showers. Partly cloudy, with a low around 66. Chance of precipitation is 40%.
Monday
Scattered showers. Partly 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:
5 Miles SSW Palmer PR
 18.31°N 65.79°W (Elev. 2100 ft)
Last Update:
6:47 am AST Sep 15, 2026
Forecast Valid:
11am AST Sep 15, 2026-6pm AST Sep 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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