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

Hazardous Weather Conditions

Current conditions at

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

Partly Cloudy

84°F

29°C

Humidity 74%
Wind Speed SE 17 G 23 mph
Barometer 29.94 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 10 Apr 2:35 pm AST
Extended Forecast for

Santa Isabel PR

  • This Afternoon

    This Afternoon: Isolated showers. Sunny, with a high near 88. East southeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 10%.

    High: 88 °F

    Isolated
    Showers

  • Tonight

    Tonight: Clear, with a low around 72. East northeast wind 6 to 9 mph.

    Low: 72 °F

    Clear

  • Saturday

    Saturday: Isolated showers after noon. Sunny, with a high near 88. Southeast wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 88 °F

    Sunny then
    Isolated
    Showers

  • Saturday Night

    Saturday Night: Isolated showers. Partly cloudy, with a low around 71. East northeast wind around 8 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Isolated
    Showers

  • Sunday

    Sunday: Scattered showers. Mostly sunny, with a high near 89. East southeast wind 8 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    High: 89 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Scattered showers. Partly cloudy, with a low around 71. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 71 °F

    Scattered
    Showers

  • Monday

    Monday: Showers likely. Mostly cloudy, with a high near 87. East southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%.

    High: 87 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely. Cloudy, with a low around 69. Northeast wind 9 to 11 mph. Chance of precipitation is 70%.

    Low: 69 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before noon. Mostly cloudy, with a high near 86. East southeast wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Isolated showers. Sunny, with a high near 88. East southeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 10%.
Tonight
Clear, with a low around 72. East northeast wind 6 to 9 mph.
Saturday
Isolated showers after noon. Sunny, with a high near 88. Southeast wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Saturday Night
Isolated showers. Partly cloudy, with a low around 71. East northeast wind around 8 mph. Chance of precipitation is 20%.
Sunday
Scattered showers. Mostly sunny, with a high near 89. East southeast wind 8 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Sunday Night
Scattered showers. Partly cloudy, with a low around 71. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.
Monday
Showers likely. Mostly cloudy, with a high near 87. East southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%.
Monday Night
Showers likely. Cloudy, with a low around 69. Northeast wind 9 to 11 mph. Chance of precipitation is 70%.
Tuesday
Showers likely, mainly before noon. Mostly cloudy, with a high near 86. East southeast wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Wednesday
Showers likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Cloudy, with a low around 70. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 87. Chance of precipitation is 70%.
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:
1:55 pm AST Apr 10, 2026
Forecast Valid:
2pm AST Apr 10, 2026-6pm AST Apr 16, 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