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

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Mostly Cloudy

81°F

27°C

Humidity 79%
Wind Speed SE 6 mph
Barometer 29.95 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 31 Aug 2:56 am AST
Extended Forecast for

3 Miles WNW Luis Muñoz Marín International Airport PR

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Low around 80. Southeast wind around 8 mph. Chance of precipitation is 90%.

    Low: 80 °F

    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 90. Heat index values as high as 105. East southeast wind 8 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 90 °F

    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. East southeast wind 5 to 8 mph. Chance of precipitation is 50%.

    Low: 79 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers before 9am, then scattered showers and thunderstorms between 9am and noon, then scattered showers after noon. Partly sunny, with a high near 91. Heat index values as high as 106. East wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    High: 91 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly after midnight. Partly cloudy, with a low around 80. East southeast wind 7 to 10 mph. Chance of precipitation is 40%.

    Low: 80 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Mostly sunny, with a high near 91. East wind 8 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 91 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Partly cloudy, with a low around 80. East wind 7 to 10 mph. Chance of precipitation is 30%.

    Low: 80 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers, mainly after noon. Mostly sunny, with a high near 92. East northeast wind 8 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 92 °F

    Sunny then
    Scattered
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 80. East wind 8 to 10 mph.

    Low: 80 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 80. Southeast wind around 8 mph. Chance of precipitation is 90%.
Monday
Showers and possibly a thunderstorm. High near 90. Heat index values as high as 105. East southeast wind 8 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. East southeast wind 5 to 8 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers before 9am, then scattered showers and thunderstorms between 9am and noon, then scattered showers after noon. Partly sunny, with a high near 91. Heat index values as high as 106. East wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers, mainly after midnight. Partly cloudy, with a low around 80. East southeast wind 7 to 10 mph. Chance of precipitation is 40%.
Wednesday
Scattered showers. Mostly sunny, with a high near 91. East wind 8 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 80. East wind 7 to 10 mph. Chance of precipitation is 30%.
Thursday
Scattered showers, mainly after noon. Mostly sunny, with a high near 92. East northeast wind 8 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 80. East wind 8 to 10 mph.
Friday
Scattered showers, mainly after noon. Mostly sunny, with a high near 92. Chance of precipitation is 50%.
Friday Night
Scattered showers. Partly cloudy, with a low around 80. Chance of precipitation is 30%.
Saturday
Scattered showers. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 80.
Sunday
Scattered showers. Mostly sunny, with a high near 92. Chance of precipitation is 50%.
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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:
3:39 am AST Aug 31, 2026
Forecast Valid:
3am AST Aug 31, 2026-6pm AST Sep 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation