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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Heavy Rain Fog/Mist

76°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 30.00 in (1015.9 mb)
Dewpoint 74°F (23°C)
Visibility 2.00 mi
Heat Index76°F (24°C)
Last update 4 Oct 12:56 pm AST
Extended Forecast for

Luis Muñoz Marín International Airport PR

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 88. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before midnight, then scattered showers and thunderstorms between midnight and 3am, then scattered showers after 3am. Mostly cloudy, with a low around 79. East southeast wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 79 °F

    Showers
    Likely

  • Monday

    Monday: Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Partly sunny, with a high near 90. Heat index values as high as 102. Light southeast wind becoming east 11 to 16 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 79. Southeast wind 6 to 8 mph. Chance of precipitation is 50%.

    Low: 79 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East wind 7 to 15 mph. Chance of precipitation is 30%.

    High: 89 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 80. East wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 80 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East wind 10 to 15 mph. Chance of precipitation is 40%.

    High: 88 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Mostly cloudy, with a low around 78. East southeast wind 6 to 9 mph. Chance of precipitation is 40%.

    Low: 78 °F

    Scattered
    Showers

  • Thursday

    Thursday: Showers likely, mainly after noon. Mostly cloudy, with a high near 89. East wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

    High: 89 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 88. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tonight
Showers likely and possibly a thunderstorm before midnight, then scattered showers and thunderstorms between midnight and 3am, then scattered showers after 3am. Mostly cloudy, with a low around 79. East southeast wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then scattered showers after 3pm. Partly sunny, with a high near 90. Heat index values as high as 102. Light southeast wind becoming east 11 to 16 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Scattered showers. Mostly cloudy, with a low around 79. Southeast wind 6 to 8 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East wind 7 to 15 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 80. East wind 6 to 9 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East wind 10 to 15 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 78. East southeast wind 6 to 9 mph. Chance of precipitation is 40%.
Thursday
Showers likely, mainly after noon. Mostly cloudy, with a high near 89. East wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 79. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 78.
Saturday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Luis Muñoz Marín International Airport PR
 18.44°N 66.01°W (Elev. 7 ft)
Last Update:
1:27 pm AST Oct 4, 2026
Forecast Valid:
1pm AST Oct 4, 2026-6pm AST Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation