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.

A Few Clouds

82°F

28°C

Humidity 89%
Wind Speed E 7 mph
Barometer 30.02 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 26 Aug 12:56 am AST
Extended Forecast for

2 Miles NNE Catano PR

Extreme Heat Warning August 26, 09:00am until August 26, 05:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Overnight

    Overnight: Isolated showers. Widespread haze. Partly cloudy, with a low around 83. East southeast wind around 8 mph. Chance of precipitation is 20%.

    Low: 83 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers before 9am, then isolated showers after 3pm. Widespread haze. Sunny, with a high near 86. East northeast wind 8 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 10%.

    High: 86 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly after midnight. Widespread haze before midnight. Partly cloudy, with a low around 83. East wind 10 to 13 mph. Chance of precipitation is 40%.

    Low: 83 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers, mainly after noon. Mostly sunny, with a high near 86. East wind 9 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 83. East wind 9 to 13 mph. Chance of precipitation is 40%.

    Low: 83 °F

    Scattered
    Showers

  • Friday

    Friday: Isolated showers before noon. Sunny, with a high near 86. East wind 10 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.

    High: 86 °F

    Isolated
    Showers then
    Sunny

  • Friday Night

    Friday Night: Scattered showers after midnight. Partly cloudy, with a low around 83. East wind around 11 mph. Chance of precipitation is 30%.

    Low: 83 °F

    Mostly Clear
    then
    Scattered
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 86. East wind 13 to 18 mph, with gusts as high as 24 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 83. East wind 11 to 13 mph.

    Low: 83 °F

    Clear

Detailed Forecast

Overnight
Isolated showers. Widespread haze. Partly cloudy, with a low around 83. East southeast wind around 8 mph. Chance of precipitation is 20%.
Wednesday
Isolated showers before 9am, then isolated showers after 3pm. Widespread haze. Sunny, with a high near 86. East northeast wind 8 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 10%.
Wednesday Night
Scattered showers, mainly after midnight. Widespread haze before midnight. Partly cloudy, with a low around 83. East wind 10 to 13 mph. Chance of precipitation is 40%.
Thursday
Scattered showers, mainly after noon. Mostly sunny, with a high near 86. East wind 9 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Thursday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 83. East wind 9 to 13 mph. Chance of precipitation is 40%.
Friday
Isolated showers before noon. Sunny, with a high near 86. East wind 10 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.
Friday Night
Scattered showers after midnight. Partly cloudy, with a low around 83. East wind around 11 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 86. East wind 13 to 18 mph, with gusts as high as 24 mph.
Saturday Night
Clear, with a low around 83. East wind 11 to 13 mph.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 83.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 82.
Tuesday
Scattered showers. Partly sunny, with a high near 84. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Catano PR
 18.47°N 66.1°W (Elev. 0 ft)
Last Update:
1:28 am AST Aug 26, 2026
Forecast Valid:
1am AST Aug 26, 2026-6pm AST Sep 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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