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

82°F

28°C

Humidity 70%
Wind Speed SE 9 mph
Barometer 29.90 in
Dewpoint 72°F (22°C)
Visibility 7.00 mi
Heat Index86°F (30°C)
Last update 2 Jan 4:35 pm AST
Extended Forecast for

Guanica PR

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Mostly cloudy, with a steady temperature around 78. East southeast wind around 9 mph. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Tonight

    Tonight: Isolated showers before 9pm. Mostly clear, with a low around 67. East northeast wind 5 to 8 mph. Chance of precipitation is 10%.

    Low: 67 °F

    Isolated
    Showers then
    Clear

  • Saturday

    Saturday: Isolated showers after noon. Sunny, with a high near 88. Light east wind becoming east southeast 9 to 14 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 20%.

    High: 88 °F

    Sunny then
    Isolated
    Showers

  • Saturday Night

    Saturday Night: Isolated showers after midnight. Clear, with a low around 68. East wind around 9 mph. Chance of precipitation is 10%.

    Low: 68 °F

    Clear then
    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers before noon. Sunny, with a high near 88. Southeast wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 10%.

    High: 88 °F

    Isolated
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 69. East wind 6 to 8 mph.

    Low: 69 °F

    Clear

  • Monday

    Monday: Scattered showers, mainly after noon. Mostly sunny, with a high near 87. Southeast wind 3 to 6 mph. Chance of precipitation is 40%.

    High: 87 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers. Partly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 30%.

    Low: 67 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 87. Northeast wind 5 to 9 mph becoming south southeast in the afternoon. Chance of precipitation is 40%.

    High: 87 °F

    Mostly Sunny
    then
    Scattered
    Showers

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a steady temperature around 78. East southeast wind around 9 mph. Chance of precipitation is 60%.
Tonight
Isolated showers before 9pm. Mostly clear, with a low around 67. East northeast wind 5 to 8 mph. Chance of precipitation is 10%.
Saturday
Isolated showers after noon. Sunny, with a high near 88. Light east wind becoming east southeast 9 to 14 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Saturday Night
Isolated showers after midnight. Clear, with a low around 68. East wind around 9 mph. Chance of precipitation is 10%.
Sunday
Isolated showers before noon. Sunny, with a high near 88. Southeast wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 10%.
Sunday Night
Clear, with a low around 69. East wind 6 to 8 mph.
Monday
Scattered showers, mainly after noon. Mostly sunny, with a high near 87. Southeast wind 3 to 6 mph. Chance of precipitation is 40%.
Monday Night
Scattered showers. Partly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 30%.
Tuesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 87. Northeast wind 5 to 9 mph becoming south southeast in the afternoon. Chance of precipitation is 40%.
Tuesday Night
Clear, with a low around 65.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Scattered showers. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 65.
Friday
Scattered showers. Mostly 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:
3:34 pm AST Jan 2, 2026
Forecast Valid:
5pm AST Jan 2, 2026-6pm AST Jan 9, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation