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Current conditions at

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

Partly Cloudy

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 29.89 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 20 Mar 11:35 pm AST
Extended Forecast for

Santa Isabel PR

  • Tonight

    Tonight: Scattered showers, mainly before 3am. Partly cloudy, with a low around 74. Southeast wind around 7 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then scattered showers after 3pm. Partly sunny, with a high near 86. South wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Scattered showers. Mostly cloudy, with a low around 72. Light and variable wind. Chance of precipitation is 40%.

    Low: 72 °F

    Scattered
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 86. Light and variable wind becoming south 5 to 10 mph. Chance of precipitation is 70%.

    High: 86 °F

    Sunny then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Isolated showers. Partly cloudy, with a low around 70. North northeast wind around 7 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Isolated
    Showers

  • Monday

    Monday: Scattered showers. Mostly sunny, with a high near 86. East northeast wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70. North northeast wind 7 to 9 mph.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 86. North northeast wind 7 to 14 mph becoming east in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Partly cloudy, with a low around 69. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Scattered showers, mainly before 3am. Partly cloudy, with a low around 74. Southeast wind around 7 mph. Chance of precipitation is 30%.
Saturday
Scattered showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then scattered showers after 3pm. Partly sunny, with a high near 86. South wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 72. Light and variable wind. Chance of precipitation is 40%.
Sunday
Showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 86. Light and variable wind becoming south 5 to 10 mph. Chance of precipitation is 70%.
Sunday Night
Isolated showers. Partly cloudy, with a low around 70. North northeast wind around 7 mph. Chance of precipitation is 20%.
Monday
Scattered showers. Mostly sunny, with a high near 86. East northeast wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 70. North northeast wind 7 to 9 mph.
Tuesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 86. North northeast wind 7 to 14 mph becoming east in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 69. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers, mainly before noon. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.
Thursday
Scattered showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 71.
Friday
Scattered showers. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Isabel PR
 17.98°N 66.4°W (Elev. 56 ft)
Last Update:
5:46 pm AST Mar 20, 2026
Forecast Valid:
11pm AST Mar 20, 2026-6pm AST Mar 27, 2026
 
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