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Current conditions at

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

Fair

68°F

20°C

Humidity 94%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 30 Mar 6:35 am AST
Extended Forecast for

Guanica PR

  • Today

    Today: Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 89. Light east wind becoming east southeast 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    High: 89 °F

    Isolated
    Showers then
    Showers
    Likely

  • Tonight

    Tonight: Scattered showers, mainly before 9pm. Partly cloudy, with a low around 66. East northeast wind 5 to 7 mph. Chance of precipitation is 40%.

    Low: 66 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 89. East southeast wind 5 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    Isolated
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 67. Northeast wind 3 to 7 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Isolated showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 89. Light and variable wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 70%.

    High: 89 °F

    Isolated
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Isolated showers. Partly cloudy, with a low around 67. East northeast wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Isolated
    Showers

  • Thursday

    Thursday: Scattered showers after noon. Sunny, with a high near 88. East southeast wind 5 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 88 °F

    Sunny then
    Scattered
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 67. East northeast wind 3 to 5 mph.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: Scattered showers after noon. Mostly sunny, with a high near 87. Light east northeast wind becoming east southeast 9 to 14 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 50%.

    High: 87 °F

    Sunny then
    Scattered
    Showers

Detailed Forecast

Today
Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 89. Light east wind becoming east southeast 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Tonight
Scattered showers, mainly before 9pm. Partly cloudy, with a low around 66. East northeast wind 5 to 7 mph. Chance of precipitation is 40%.
Tuesday
Isolated showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 89. East southeast wind 5 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 67. Northeast wind 3 to 7 mph. Chance of precipitation is 30%.
Wednesday
Isolated showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 89. Light and variable wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 70%.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 67. East northeast wind 3 to 6 mph. Chance of precipitation is 20%.
Thursday
Scattered showers after noon. Sunny, with a high near 88. East southeast wind 5 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 67. East northeast wind 3 to 5 mph.
Friday
Scattered showers after noon. Mostly sunny, with a high near 87. Light east northeast wind becoming east southeast 9 to 14 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Showers likely. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
Scattered showers. Sunny, with a high near 87. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Guanica PR
 17.97°N 66.92°W (Elev. 16 ft)
Last Update:
6:42 am AST Mar 30, 2026
Forecast Valid:
7am AST Mar 30, 2026-6pm AST Apr 5, 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