Air Quality Concerns; Fire Weather in the West; Flash Flooding in the Southeast

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Severe thunderstorms continue across the Northern Plains Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

87°F

31°C

Humidity 70%
Wind Speed E 14 mph
Barometer 30.13 in (1020.3 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 5 Aug 9:56 am AST
Extended Forecast for

Cayey PR

  • Today

    Today: Isolated showers.  Mostly sunny, with a high near 85. East wind 8 to 13 mph.  Chance of precipitation is 10%.

    High: 85 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers after midnight.  Mostly clear, with a low around 70. Northeast wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 10%.

    Low: 70 °F

    Mostly Clear
    then Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers.  Mostly sunny, with a high near 85. East southeast wind 6 to 13 mph.  Chance of precipitation is 20%.

    High: 85 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers after midnight.  Mostly clear, with a low around 69. East wind 3 to 6 mph.  Chance of precipitation is 10%.

    Low: 69 °F

    Mostly Clear
    then Isolated
    Showers

  • Thursday

    Thursday: Isolated showers after noon.  Sunny, with a high near 86. East wind 6 to 11 mph.  Chance of precipitation is 20%.

    High: 86 °F

    Sunny then
    Isolated
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. East northeast wind 3 to 6 mph.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 87. East wind 6 to 11 mph.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 70. East northeast wind 3 to 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 86. East southeast wind 6 to 11 mph.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Isolated showers. Mostly sunny, with a high near 85. East wind 8 to 13 mph. Chance of precipitation is 10%.
Tonight
Isolated showers after midnight. Mostly clear, with a low around 70. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 10%.
Wednesday
Isolated showers. Mostly sunny, with a high near 85. East southeast wind 6 to 13 mph. Chance of precipitation is 20%.
Wednesday Night
Isolated showers after midnight. Mostly clear, with a low around 69. East wind 3 to 6 mph. Chance of precipitation is 10%.
Thursday
Isolated showers after noon. Sunny, with a high near 86. East wind 6 to 11 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 70. East northeast wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 87. East wind 6 to 11 mph.
Friday Night
Partly cloudy, with a low around 70. East northeast wind 3 to 5 mph.
Saturday
Sunny, with a high near 86. East southeast wind 6 to 11 mph.
Saturday Night
Clear, with a low around 70.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Scattered showers. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Monday
Showers likely. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Cayey PR
 18.12°N 66.16°W (Elev. 1306 ft)
3:17 am AST Aug 5, 2025
10am AST Aug 5, 2025-6pm AST Aug 11, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database