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.

Partly Cloudy

82°F

28°C

Humidity 79%
Wind Speed E 7 mph
Barometer 30.04 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 17 Aug 11:56 pm AST
Extended Forecast for

3 Miles WNW Luis Muñoz Marín International Airport PR

  • Overnight

    Overnight: Isolated showers before 3am. Partly cloudy, with a low around 80. East wind around 7 mph. Chance of precipitation is 20%.

    Low: 80 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 91. Heat index values as high as 106. East northeast wind 8 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 91 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly after 3am. Partly cloudy, with a low around 79. East wind 9 to 11 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly before noon. Mostly sunny, with a high near 91. Heat index values as high as 108. East southeast wind 8 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 91 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 80. East southeast wind 7 to 9 mph. Chance of precipitation is 60%.

    Low: 80 °F

    Showers
    Likely

  • Thursday

    Thursday: Scattered showers and thunderstorms before noon, then isolated showers. Partly sunny, with a high near 92. East wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    High: 92 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 80. East wind around 11 mph.

    Low: 80 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 91. East northeast wind 13 to 17 mph, with gusts as high as 22 mph.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 80. East wind 11 to 13 mph.

    Low: 80 °F

    Partly Cloudy

Detailed Forecast

Overnight
Isolated showers before 3am. Partly cloudy, with a low around 80. East wind around 7 mph. Chance of precipitation is 20%.
Tuesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 91. Heat index values as high as 106. East northeast wind 8 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers, mainly after 3am. Partly cloudy, with a low around 79. East wind 9 to 11 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers, mainly before noon. Mostly sunny, with a high near 91. Heat index values as high as 108. East southeast wind 8 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 80. East southeast wind 7 to 9 mph. Chance of precipitation is 60%.
Thursday
Scattered showers and thunderstorms before noon, then isolated showers. Partly sunny, with a high near 92. East wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Thursday Night
Mostly clear, with a low around 80. East wind around 11 mph.
Friday
Mostly sunny, with a high near 91. East northeast wind 13 to 17 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 80. East wind 11 to 13 mph.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Partly cloudy, with a low around 80.
Sunday
Scattered showers. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 80.
Monday
Scattered showers. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Luis Muñoz Marín International Airport PR
 18.45°N 66.04°W (Elev. 7 ft)
Last Update:
3:46 pm AST Aug 17, 2026
Forecast Valid:
12am AST Aug 18, 2026-6pm AST Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation