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

  • Overnight

    Overnight: Clear, with a low around 65. East wind around 6 mph.

    Low: 65 °F

    Clear

  • Tuesday

    Tuesday: Isolated showers after 3pm. Sunny, with a high near 88. East southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 88 °F

    Sunny then
    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers before 9pm. Mostly clear, with a low around 67. East wind 5 to 7 mph. Chance of precipitation is 10%.

    Low: 67 °F

    Isolated
    Showers then
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. East southeast wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Isolated showers. Partly cloudy, with a low around 69. East wind 7 to 9 mph. Chance of precipitation is 10%.

    Low: 69 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers after noon. Sunny, with a high near 88. East southeast wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 10%.

    High: 88 °F

    Sunny then
    Isolated
    Showers

  • Thursday Night

    Thursday Night: Scattered showers. Mostly cloudy, with a low around 69. East wind around 8 mph. Chance of precipitation is 40%.

    Low: 69 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East southeast wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 89 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Friday Night

    Friday Night: Clear, with a low around 68. East northeast wind around 6 mph.

    Low: 68 °F

    Clear

Detailed Forecast

Overnight
Clear, with a low around 65. East wind around 6 mph.
Tuesday
Isolated showers after 3pm. Sunny, with a high near 88. East southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday Night
Isolated showers before 9pm. Mostly clear, with a low around 67. East wind 5 to 7 mph. Chance of precipitation is 10%.
Wednesday
Sunny, with a high near 88. East southeast wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 69. East wind 7 to 9 mph. Chance of precipitation is 10%.
Thursday
Isolated showers after noon. Sunny, with a high near 88. East southeast wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 10%.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 69. East wind around 8 mph. Chance of precipitation is 40%.
Friday
Scattered showers, mainly after noon. Mostly sunny, with a high near 89. East southeast wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Friday Night
Clear, with a low around 68. East northeast wind around 6 mph.
Saturday
Sunny, with a high near 89.
Saturday Night
Clear, with a low around 69.
Sunday
Sunny, with a high near 89.
Sunday Night
Clear, with a low around 67.
M.L.King Day
Sunny, with a high near 89.
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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:
3:44 pm AST Jan 12, 2026
Forecast Valid:
12am AST Jan 13, 2026-6pm AST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation