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 79%
Wind Speed E 9 mph
Barometer 30.03 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 12 Jun 8:15 pm AST
Extended Forecast for

Guanica PR

  • Tonight

    Tonight: Isolated showers before 9pm. Mostly clear, with a low around 76. East wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 10%.

    Low: 76 °F

    Isolated
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 93. Heat index values as high as 106. East southeast wind 18 to 20 mph, with gusts as high as 33 mph.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 75. East wind 11 to 16 mph, with gusts as high as 26 mph.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Isolated showers after noon. Sunny, with a high near 94. Heat index values as high as 106. East southeast wind 14 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    High: 94 °F

    Sunny then
    Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers before midnight. Mostly clear, with a low around 75. East wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 10%.

    Low: 75 °F

    Isolated
    Showers then
    Mostly Clear

  • Monday

    Monday: Isolated showers after noon. Mostly sunny, with a high near 93. East southeast wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 93 °F

    Sunny then
    Isolated
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. East wind 11 to 15 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. East southeast wind 13 to 18 mph, with gusts as high as 31 mph.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. East wind 8 to 16 mph, with gusts as high as 26 mph.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Tonight
Isolated showers before 9pm. Mostly clear, with a low around 76. East wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 10%.
Saturday
Sunny, with a high near 93. Heat index values as high as 106. East southeast wind 18 to 20 mph, with gusts as high as 33 mph.
Saturday Night
Clear, with a low around 75. East wind 11 to 16 mph, with gusts as high as 26 mph.
Sunday
Isolated showers after noon. Sunny, with a high near 94. Heat index values as high as 106. East southeast wind 14 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Sunday Night
Isolated showers before midnight. Mostly clear, with a low around 75. East wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 10%.
Monday
Isolated showers after noon. Mostly sunny, with a high near 93. East southeast wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 75. East wind 11 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 93. East southeast wind 13 to 18 mph, with gusts as high as 31 mph.
Tuesday Night
Partly cloudy, with a low around 74. East wind 8 to 16 mph, with gusts as high as 26 mph.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Clear, with a low around 74.
Thursday
Sunny, with a high near 93.
Thursday Night
Clear, with a low around 75.
Juneteenth
Sunny, with a high near 94.
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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:
7:54 pm AST Jun 12, 2026
Forecast Valid:
8pm AST Jun 12, 2026-6pm AST Jun 19, 2026
 
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Chance of Precipitation