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

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

Fair

86°F

30°C

Humidity 1%
Wind Speed S 5 mph
Barometer 29.99 in
Dewpoint -26°F (-32°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 10 Nov 5:35 pm AST
Extended Forecast for

Guayanilla PR

  • This Afternoon

    This Afternoon: Isolated showers. Mostly sunny, with a steady temperature around 83. East southeast wind around 6 mph. Chance of precipitation is 10%.

    High: 83 °F

    Isolated
    Showers

  • Tonight

    Tonight: Clear, with a low around 76. East northeast wind around 6 mph.

    Low: 76 °F

    Clear

  • Veterans Day

    Veterans Day: Isolated showers after 9am. Mostly sunny, with a high near 90. Southeast wind 5 to 13 mph. Chance of precipitation is 20%.

    High: 90 °F

    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. East wind around 8 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Scattered showers, mainly after noon. Mostly sunny, with a high near 90. Southeast wind 8 to 14 mph. Chance of precipitation is 30%.

    High: 90 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. East southeast wind 9 to 11 mph.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 89. Southeast wind 13 to 15 mph.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 78. East southeast wind around 11 mph.

    Low: 78 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 88. Southeast wind 11 to 14 mph.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Isolated showers. Mostly sunny, with a steady temperature around 83. East southeast wind around 6 mph. Chance of precipitation is 10%.
Tonight
Clear, with a low around 76. East northeast wind around 6 mph.
Veterans Day
Isolated showers after 9am. Mostly sunny, with a high near 90. Southeast wind 5 to 13 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 77. East wind around 8 mph.
Thursday
Scattered showers, mainly after noon. Mostly sunny, with a high near 90. Southeast wind 8 to 14 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 77. East southeast wind 9 to 11 mph.
Friday
Mostly sunny, with a high near 89. Southeast wind 13 to 15 mph.
Friday Night
Partly cloudy, with a low around 78. East southeast wind around 11 mph.
Saturday
Mostly sunny, with a high near 88. Southeast wind 11 to 14 mph.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 77. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 89.
Sunday Night
Clear, with a low around 75.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Scattered showers. Mostly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Guayanilla PR
 18.05°N 66.8°W (Elev. 548 ft)
Last Update:
4:51 pm AST Nov 10, 2026
Forecast Valid:
5pm AST Nov 10, 2026-6pm AST Nov 17, 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