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Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

79°F

26°C

Humidity 84%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 5 Oct 4:56 am AST
Extended Forecast for

Brenas PR

Heat Advisory October 5, 10:00am until October 5, 03:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Scattered showers. Mostly cloudy, with a low around 76. Southeast wind around 5 mph. Chance of precipitation is 40%.

    Low: 76 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers, mainly after noon. Partly sunny, with a high near 91. Heat index values as high as 106. East wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

    High: 91 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 76. Southeast wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Isolated showers after noon. Mostly sunny, with a high near 90. Heat index values as high as 106. East northeast wind 6 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 90 °F

    Sunny then
    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers. Partly cloudy, with a low around 77. East southeast wind 6 to 9 mph. Chance of precipitation is 10%.

    Low: 77 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East wind 6 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 89 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 76. Southeast wind around 8 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Scattered showers, mainly after noon. Mostly sunny, with a high near 90. East wind 7 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 90 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers. Partly cloudy, with a low around 76. East southeast wind 5 to 9 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 76. Southeast wind around 5 mph. Chance of precipitation is 40%.
Monday
Scattered showers, mainly after noon. Partly sunny, with a high near 91. Heat index values as high as 106. East wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Monday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 76. Southeast wind 6 to 8 mph. Chance of precipitation is 30%.
Tuesday
Isolated showers after noon. Mostly sunny, with a high near 90. Heat index values as high as 106. East northeast wind 6 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 77. East southeast wind 6 to 9 mph. Chance of precipitation is 10%.
Wednesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East wind 6 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Wednesday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 76. Southeast wind around 8 mph. Chance of precipitation is 30%.
Thursday
Scattered showers, mainly after noon. Mostly sunny, with a high near 90. East wind 7 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 76. East southeast wind 5 to 9 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 76.
Saturday
Mostly sunny, with a high near 90.
Saturday Night
Clear, with a low around 76.
Sunday
Sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brenas PR
 18.47°N 66.33°W (Elev. 23 ft)
Last Update:
4:25 am AST Oct 5, 2026
Forecast Valid:
5am AST Oct 5, 2026-6pm AST Oct 11, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation