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

81°F

27°C

Humidity 66%
Wind Speed SE 7 mph
Barometer 29.95 in
Dewpoint 68°F (20°C)
Visibility 8.00 mi
Heat Index84°F (29°C)
Last update 30 Dec 5:35 pm AST
Extended Forecast for

Guanica PR

  • Tonight

    Tonight: Isolated showers after midnight. Mostly clear, with a low around 67. East wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Mostly Clear
    then Isolated
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly before 9am. Mostly sunny, with a high near 88. East southeast wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms before 3am, then isolated showers. Partly cloudy, with a low around 69. East wind around 9 mph. Chance of precipitation is 40%.

    Low: 69 °F

    Scattered
    Showers

  • New Year's Day

    New Year's Day: Isolated showers after noon. Sunny, with a high near 87. Southeast wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 87 °F

    Sunny then
    Isolated
    Showers

  • Thursday Night

    Thursday Night: Clear, with a low around 69. East wind 3 to 6 mph.

    Low: 69 °F

    Clear

  • Friday

    Friday: Isolated showers after noon. Sunny, with a high near 86. East southeast wind 7 to 12 mph increasing to 13 to 18 mph in the morning. Winds could gust as high as 31 mph. Chance of precipitation is 20%.

    High: 86 °F

    Sunny then
    Isolated
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 68. East northeast wind around 7 mph.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. East northeast wind 6 to 11 mph becoming southeast 12 to 17 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. East wind around 7 mph.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Tonight
Isolated showers after midnight. Mostly clear, with a low around 67. East wind 7 to 9 mph. Chance of precipitation is 20%.
Wednesday
Scattered showers, mainly before 9am. Mostly sunny, with a high near 88. East southeast wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
Scattered showers and thunderstorms before 3am, then isolated showers. Partly cloudy, with a low around 69. East wind around 9 mph. Chance of precipitation is 40%.
New Year's Day
Isolated showers after noon. Sunny, with a high near 87. Southeast wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
Clear, with a low around 69. East wind 3 to 6 mph.
Friday
Isolated showers after noon. Sunny, with a high near 86. East southeast wind 7 to 12 mph increasing to 13 to 18 mph in the morning. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 68. East northeast wind around 7 mph.
Saturday
Sunny, with a high near 88. East northeast wind 6 to 11 mph becoming southeast 12 to 17 mph in the afternoon. Winds could gust as high as 29 mph.
Saturday Night
Mostly clear, with a low around 66. East wind around 7 mph.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 67.
Monday
Scattered showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Monday Night
Scattered showers. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 87.
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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:
3:07 pm AST Dec 30, 2025
Forecast Valid:
5pm AST Dec 30, 2025-6pm AST Jan 6, 2026
 
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Additional Resources

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Chance of Precipitation