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: Isolated showers before 9pm, then isolated showers after 3am. Mostly clear, with a low around 66. East northeast wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers after noon. Mostly 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 28 mph. Chance of precipitation is 20%.

    High: 88 °F

    Sunny then
    Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers before 9pm. Mostly clear, with a low around 66. East wind 5 to 7 mph. Chance of precipitation is 10%.

    Low: 66 °F

    Isolated
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Isolated showers after noon. Sunny, with a high near 88. East southeast wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 10%.

    High: 88 °F

    Sunny then
    Isolated
    Showers

  • Tuesday Night

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

    Low: 67 °F

    Isolated
    Showers then
    Clear

  • Wednesday

    Wednesday: Isolated showers after noon. Sunny, with a high near 88. East southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.

    High: 88 °F

    Sunny then
    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. East wind 8 to 11 mph.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. East southeast wind 8 to 15 mph, with gusts as high as 25 mph.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Scattered showers. Mostly cloudy, with a low around 70. East wind around 9 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Scattered
    Showers

Detailed Forecast

Tonight
Isolated showers before 9pm, then isolated showers after 3am. Mostly clear, with a low around 66. East northeast wind 5 to 7 mph. Chance of precipitation is 20%.
Monday
Isolated showers after noon. Mostly 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 28 mph. Chance of precipitation is 20%.
Monday Night
Isolated showers before 9pm. Mostly clear, with a low around 66. East wind 5 to 7 mph. Chance of precipitation is 10%.
Tuesday
Isolated showers after noon. Sunny, with a high near 88. East southeast wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 10%.
Tuesday Night
Isolated showers before midnight. Mostly clear, with a low around 67. East northeast wind around 7 mph. Chance of precipitation is 10%.
Wednesday
Isolated showers after noon. Sunny, with a high near 88. East southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.
Wednesday Night
Mostly clear, with a low around 69. East wind 8 to 11 mph.
Thursday
Sunny, with a high near 89. East southeast wind 8 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Scattered showers. Mostly cloudy, with a low around 70. East wind around 9 mph. Chance of precipitation is 40%.
Friday
Scattered showers, mainly after noon. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Friday Night
Clear, with a low around 68.
Saturday
Sunny, with a high near 89.
Saturday Night
Clear, with a low around 69.
Sunday
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:
4:01 pm AST Jan 11, 2026
Forecast Valid:
8pm AST Jan 11, 2026-6pm AST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation