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

84°F

29°C

Humidity 70%
Wind Speed SE 15 mph
Barometer 29.93 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 15 Apr 10:55 am AST
Extended Forecast for

Santa Isabel PR

  • Today

    Today: Scattered showers. Mostly sunny, with a high near 87. Southeast wind 7 to 9 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, mainly before 9pm. Partly cloudy, with a low around 72. East northeast wind around 7 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers. Mostly sunny, with a high near 88. East southeast wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    High: 88 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then scattered showers after midnight. Mostly cloudy, with a low around 72. East wind 7 to 9 mph. Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely

  • Friday

    Friday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 87. East southeast wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Scattered showers, mainly after midnight. Partly cloudy, with a low around 70. East northeast wind around 7 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, mainly after noon. Partly sunny, with a high near 87. East southeast wind 6 to 9 mph. Chance of precipitation is 50%.

    High: 87 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers. Partly cloudy, with a low around 71. East northeast wind around 7 mph. Chance of precipitation is 30%.

    Low: 71 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers. Partly sunny, with a high near 87. East southeast wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    High: 87 °F

    Scattered
    Showers

Detailed Forecast

Today
Scattered showers. Mostly sunny, with a high near 87. Southeast wind 7 to 9 mph. Chance of precipitation is 40%.
Tonight
Scattered showers, mainly before 9pm. Partly cloudy, with a low around 72. East northeast wind around 7 mph. Chance of precipitation is 30%.
Thursday
Scattered showers. Mostly sunny, with a high near 88. East southeast wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Thursday Night
Scattered showers before 9pm, then showers likely and possibly a thunderstorm between 9pm and midnight, then scattered showers after midnight. Mostly cloudy, with a low around 72. East wind 7 to 9 mph. Chance of precipitation is 60%.
Friday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 87. East southeast wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Friday Night
Scattered showers, mainly after midnight. Partly cloudy, with a low around 70. East northeast wind around 7 mph. Chance of precipitation is 30%.
Saturday
Scattered showers, mainly after noon. Partly sunny, with a high near 87. East southeast wind 6 to 9 mph. Chance of precipitation is 50%.
Saturday Night
Scattered showers. Partly cloudy, with a low around 71. East northeast wind around 7 mph. Chance of precipitation is 30%.
Sunday
Scattered showers. Partly sunny, with a high near 87. East southeast wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Monday
Scattered showers. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Monday Night
Clear, with a low around 70.
Tuesday
Scattered showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Isabel PR
 17.98°N 66.4°W (Elev. 56 ft)
Last Update:
9:32 am AST Apr 15, 2026
Forecast Valid:
11am AST Apr 15, 2026-6pm AST Apr 21, 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