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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Guanica PR

  • Tonight

    Tonight: Mostly clear, with a low around 66. North wind 3 to 5 mph.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Scattered showers after noon. Increasing clouds, with a high near 89. East southeast wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    High: 89 °F

    Sunny then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. East northeast wind around 6 mph.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Isolated showers before noon. Sunny, with a high near 88. Light and variable wind becoming east southeast 9 to 14 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 10%.

    High: 88 °F

    Isolated
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 66. East northeast wind around 5 mph.

    Low: 66 °F

    Clear

  • Monday

    Monday: Scattered showers after noon. Mostly sunny, with a high near 89. East southeast wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 89 °F

    Sunny then
    Scattered
    Showers

  • Monday Night

    Monday Night: Clear, with a low around 66. East northeast wind around 6 mph.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. Northeast wind 5 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 67. East northeast wind around 6 mph.

    Low: 67 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 66. North wind 3 to 5 mph.
Saturday
Scattered showers after noon. Increasing clouds, with a high near 89. East southeast wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Mostly clear, with a low around 66. East northeast wind around 6 mph.
Sunday
Isolated showers before noon. Sunny, with a high near 88. Light and variable wind becoming east southeast 9 to 14 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 10%.
Sunday Night
Clear, with a low around 66. East northeast wind around 5 mph.
Monday
Scattered showers after noon. Mostly sunny, with a high near 89. East southeast wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Monday Night
Clear, with a low around 66. East northeast wind around 6 mph.
Tuesday
Sunny, with a high near 88. Northeast wind 5 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Clear, with a low around 67. East northeast wind around 6 mph.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
Clear, with a low around 70.
Friday
Scattered showers. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
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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:
3:40 pm AST Jan 9, 2026
Forecast Valid:
9pm AST Jan 9, 2026-6pm AST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation