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

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

Partly Cloudy

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 25 Dec 1:15 am AST
Extended Forecast for

Santa Isabel PR

  • Overnight

    Overnight: Isolated showers. Partly cloudy, with a low around 67. North northeast wind around 8 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Isolated
    Showers

  • Christmas Day

    Christmas Day: Sunny, with a high near 87. North northeast wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. North northeast wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Isolated showers before 9am. Sunny, with a high near 87. North northeast wind 7 to 13 mph becoming east in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 10%.

    High: 87 °F

    Isolated
    Showers then
    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 67. North northeast wind 7 to 9 mph.

    Low: 67 °F

    Clear

  • Saturday

    Saturday: Isolated showers. Mostly sunny, with a high near 88. North northeast wind 6 to 10 mph becoming east southeast in the afternoon. Chance of precipitation is 20%.

    High: 88 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. North northeast wind 5 to 7 mph.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88. North northeast wind 5 to 9 mph becoming southeast in the afternoon.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 67. North northeast wind around 8 mph.

    Low: 67 °F

    Clear

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 67. North northeast wind around 8 mph. Chance of precipitation is 20%.
Christmas Day
Sunny, with a high near 87. North northeast wind 9 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 66. North northeast wind 8 to 13 mph, with gusts as high as 21 mph.
Friday
Isolated showers before 9am. Sunny, with a high near 87. North northeast wind 7 to 13 mph becoming east in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 10%.
Friday Night
Clear, with a low around 67. North northeast wind 7 to 9 mph.
Saturday
Isolated showers. Mostly sunny, with a high near 88. North northeast wind 6 to 10 mph becoming east southeast in the afternoon. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 68. North northeast wind 5 to 7 mph.
Sunday
Sunny, with a high near 88. North northeast wind 5 to 9 mph becoming southeast in the afternoon.
Sunday Night
Clear, with a low around 67. North northeast wind around 8 mph.
Monday
Sunny, with a high near 88.
Monday Night
Clear, with a low around 68.
Tuesday
Scattered showers. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Isabel PR
 17.98°N 66.4°W (Elev. 56 ft)
Last Update:
8:50 pm AST Dec 24, 2025
Forecast Valid:
1am AST Dec 25, 2025-6pm AST Dec 31, 2025
 
Forecast Discussion
 
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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