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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

81°F

27°C

Humidity 79%
Wind Speed E 5 mph
Barometer 30.01 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 8 Aug 3:56 am AST
Extended Forecast for

Catano PR

Heat Advisory August 8, 10:00am until August 8, 05:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Scattered showers. Partly cloudy, with a low around 80. East southeast wind around 8 mph. Chance of precipitation is 30%.

    Low: 80 °F

    Scattered
    Showers

  • Saturday

    Saturday: Isolated showers after noon. Widespread haze. Sunny, with a high near 90. Heat index values as high as 106. East northeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Chance of precipitation is 10%.

    High: 90 °F

    Haze then
    Isolated
    Showers

  • Saturday Night

    Saturday Night: Isolated showers. Widespread haze. Partly cloudy, with a low around 80. East wind around 11 mph. Chance of precipitation is 20%.

    Low: 80 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers. Widespread haze. Mostly sunny, with a high near 89. Heat index values as high as 105. East wind 11 to 20 mph. Chance of precipitation is 20%.

    High: 89 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Widespread haze. Partly cloudy, with a low around 80. East wind 10 to 14 mph. Chance of precipitation is 20%.

    Low: 80 °F

    Isolated
    Showers

  • Monday

    Monday: Scattered showers, mainly before noon. Widespread haze after noon. Mostly sunny, with a high near 90. East wind 13 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 90 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Widespread haze. Partly cloudy, with a low around 80. East wind around 10 mph.

    Low: 80 °F

    Haze

  • Tuesday

    Tuesday: Scattered showers. Mostly sunny, with a high near 88. East wind 11 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 88 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 79. East southeast wind 8 to 10 mph.

    Low: 79 °F

    Mostly Clear

Detailed Forecast

Overnight
Scattered showers. Partly cloudy, with a low around 80. East southeast wind around 8 mph. Chance of precipitation is 30%.
Saturday
Isolated showers after noon. Widespread haze. Sunny, with a high near 90. Heat index values as high as 106. East northeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Chance of precipitation is 10%.
Saturday Night
Isolated showers. Widespread haze. Partly cloudy, with a low around 80. East wind around 11 mph. Chance of precipitation is 20%.
Sunday
Isolated showers. Widespread haze. Mostly sunny, with a high near 89. Heat index values as high as 105. East wind 11 to 20 mph. Chance of precipitation is 20%.
Sunday Night
Isolated showers. Widespread haze. Partly cloudy, with a low around 80. East wind 10 to 14 mph. Chance of precipitation is 20%.
Monday
Scattered showers, mainly before noon. Widespread haze after noon. Mostly sunny, with a high near 90. East wind 13 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Monday Night
Widespread haze. Partly cloudy, with a low around 80. East wind around 10 mph.
Tuesday
Scattered showers. Mostly sunny, with a high near 88. East wind 11 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Tuesday Night
Mostly clear, with a low around 79. East southeast wind 8 to 10 mph.
Wednesday
Scattered showers. Mostly sunny, with a high near 92. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 80. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 93.
Thursday Night
Clear, with a low around 81.
Friday
Sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Catano PR
 18.44°N 66.13°W (Elev. 3 ft)
Last Update:
2:30 am AST Aug 8, 2026
Forecast Valid:
4am AST Aug 8, 2026-6pm AST Aug 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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