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.

Fair

66°F

19°C

Humidity 88%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 63°F (17°C)
Visibility 8.00 mi
Last update 27 Dec 4:15 am AST
Extended Forecast for

Guanica PR

  • Today

    Today: Isolated showers after 3pm. Sunny, with a high near 86. Light and variable wind becoming east southeast 5 to 8 mph in the morning. Chance of precipitation is 20%.

    High: 86 °F

    Sunny then
    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers before 9pm, then isolated showers after midnight. Mostly clear, with a low around 65. East northeast wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers after noon. Sunny, with a high near 86. Light and variable wind becoming south southeast 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

    High: 86 °F

    Sunny then
    Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Partly cloudy, with a low around 63. Light northeast wind. Chance of precipitation is 10%.

    Low: 63 °F

    Isolated
    Showers

  • Monday

    Monday: Sunny, with a high near 86. Northeast wind 6 to 14 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. Northeast wind around 9 mph.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. East northeast wind 7 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Scattered showers. Partly cloudy, with a low around 66. East northeast wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before noon. Partly sunny, with a high near 86. East southeast wind 6 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely then
    Mostly Sunny

Detailed Forecast

Today
Isolated showers after 3pm. Sunny, with a high near 86. Light and variable wind becoming east southeast 5 to 8 mph in the morning. Chance of precipitation is 20%.
Tonight
Isolated showers before 9pm, then isolated showers after midnight. Mostly clear, with a low around 65. East northeast wind 3 to 6 mph. Chance of precipitation is 20%.
Sunday
Isolated showers after noon. Sunny, with a high near 86. Light and variable wind becoming south southeast 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Isolated showers. Partly cloudy, with a low around 63. Light northeast wind. Chance of precipitation is 10%.
Monday
Sunny, with a high near 86. Northeast wind 6 to 14 mph becoming southeast in the afternoon. Winds could gust as high as 23 mph.
Monday Night
Mostly clear, with a low around 64. Northeast wind around 9 mph.
Tuesday
Sunny, with a high near 86. East northeast wind 7 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 66. East northeast wind 6 to 9 mph. Chance of precipitation is 30%.
Wednesday
Showers likely, mainly before noon. Partly sunny, with a high near 86. East southeast wind 6 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
New Year's Day
Scattered showers. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 86.
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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:
4:15 pm AST Dec 26, 2025
Forecast Valid:
4am AST Dec 27, 2025-6pm AST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation