National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines
Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Mostly Cloudy

79°F

26°C

Humidity 84%
Wind Speed SE 7 mph
Barometer 29.97 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 4 Oct 4:56 pm AST
Extended Forecast for

Caguas PR

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Cloudy, with a steady temperature around 83. East southeast wind around 9 mph. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Tonight

    Tonight: Scattered showers. Mostly cloudy, with a low around 75. Light southeast wind. Chance of precipitation is 40%.

    Low: 75 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 91. Heat index values as high as 103. Light east southeast wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 75. East southeast wind 3 to 5 mph. Chance of precipitation is 50%.

    Low: 75 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers after noon. Mostly sunny, with a high near 91. East wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 91 °F

    Sunny then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 76. Light east wind. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 88. Southeast wind 6 to 10 mph. Chance of precipitation is 50%.

    High: 88 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers. Mostly cloudy, with a low around 75. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 75 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers. Partly sunny, with a high near 90. East southeast wind 6 to 11 mph. Chance of precipitation is 50%.

    High: 90 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Cloudy, with a steady temperature around 83. East southeast wind around 9 mph. Chance of precipitation is 70%.
Tonight
Scattered showers. Mostly cloudy, with a low around 75. Light southeast wind. Chance of precipitation is 40%.
Monday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 91. Heat index values as high as 103. Light east southeast wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 75. East southeast wind 3 to 5 mph. Chance of precipitation is 50%.
Tuesday
Scattered showers after noon. Mostly sunny, with a high near 91. East wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 76. Light east wind. Chance of precipitation is 30%.
Wednesday
Scattered showers. Partly sunny, with a high near 88. Southeast wind 6 to 10 mph. Chance of precipitation is 50%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 75. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Thursday
Scattered showers. Partly sunny, with a high near 90. East southeast wind 6 to 11 mph. Chance of precipitation is 50%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.
Friday
Scattered showers. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 74.
Saturday
Mostly sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Mostly sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Caguas PR
 18.23°N 66.07°W (Elev. 262 ft)
Last Update:
3:41 pm AST Oct 4, 2026
Forecast Valid:
5pm AST Oct 4, 2026-6pm AST Oct 11, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation