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Current conditions at

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

A Few Clouds

82°F

28°C

Humidity 74%
Wind Speed E 5 G 12 mph
Barometer 29.93 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 17 Apr 8:55 am AST
Extended Forecast for

Santa Isabel PR

  • Today

    Today: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 88. East southeast wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Showers
    Likely

  • Tonight

    Tonight: Scattered showers, mainly after midnight. Partly cloudy, with a low around 71. East northeast wind 7 to 9 mph. Chance of precipitation is 40%.

    Low: 71 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 87. East southeast wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Isolated showers. Mostly clear, with a low around 70. East northeast wind 6 to 8 mph. Chance of precipitation is 10%.

    Low: 70 °F

    Isolated
    Showers

  • Sunday

    Sunday: Sunny, with a high near 88. East wind 7 to 17 mph, with gusts as high as 28 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 70. East northeast wind 6 to 8 mph.

    Low: 70 °F

    Clear

  • Monday

    Monday: Scattered showers after noon. Mostly sunny, with a high near 87. East southeast wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 87 °F

    Sunny then
    Scattered
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71. East northeast wind 5 to 9 mph.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East southeast wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 88 °F

    Mostly Sunny
    then
    Scattered
    Showers

Detailed Forecast

Today
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 88. East southeast wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Scattered showers, mainly after midnight. Partly cloudy, with a low around 71. East northeast wind 7 to 9 mph. Chance of precipitation is 40%.
Saturday
Scattered showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 87. East southeast wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Saturday Night
Isolated showers. Mostly clear, with a low around 70. East northeast wind 6 to 8 mph. Chance of precipitation is 10%.
Sunday
Sunny, with a high near 88. East wind 7 to 17 mph, with gusts as high as 28 mph.
Sunday Night
Clear, with a low around 70. East northeast wind 6 to 8 mph.
Monday
Scattered showers after noon. Mostly sunny, with a high near 87. East southeast wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 71. East northeast wind 5 to 9 mph.
Tuesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East southeast wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
Sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Isabel PR
 17.98°N 66.4°W (Elev. 56 ft)
Last Update:
9:16 am AST Apr 17, 2026
Forecast Valid:
10am AST Apr 17, 2026-6pm AST Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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