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: Scattered showers, mainly after 3am. Partly cloudy, with a low around 69. East wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 69 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers, mainly before noon. Mostly sunny, with a high near 89. East southeast wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    High: 89 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Isolated showers between 9pm and midnight. Mostly clear, with a low around 69. East wind 6 to 9 mph. Chance of precipitation is 10%.

    Low: 69 °F

    Isolated
    Showers then
    Mostly Clear

  • Friday

    Friday: Scattered showers. Mostly sunny, with a high near 89. East southeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 30%.

    High: 89 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Isolated showers. Partly cloudy, with a low around 68. East northeast wind around 7 mph. Chance of precipitation is 10%.

    Low: 68 °F

    Isolated
    Showers

  • Saturday

    Saturday: Scattered showers after noon. Mostly sunny, with a high near 89. East wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 30%.

    High: 89 °F

    Sunny then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. East northeast wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89. East southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67. East northeast wind 3 to 7 mph.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
Scattered showers, mainly after 3am. Partly cloudy, with a low around 69. East wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday
Scattered showers, mainly before noon. Mostly sunny, with a high near 89. East southeast wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Thursday Night
Isolated showers between 9pm and midnight. Mostly clear, with a low around 69. East wind 6 to 9 mph. Chance of precipitation is 10%.
Friday
Scattered showers. Mostly sunny, with a high near 89. East southeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 30%.
Friday Night
Isolated showers. Partly cloudy, with a low around 68. East northeast wind around 7 mph. Chance of precipitation is 10%.
Saturday
Scattered showers after noon. Mostly sunny, with a high near 89. East wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 69. East northeast wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 89. East southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
Mostly clear, with a low around 67. East northeast wind 3 to 7 mph.
M.L.King Day
Sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Scattered showers. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Scattered showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Guanica PR
 17.97°N 66.92°W (Elev. 16 ft)
Last Update:
3:41 pm AST Jan 14, 2026
Forecast Valid:
7pm AST Jan 14, 2026-6pm AST Jan 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation