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.

A Few Clouds

84°F

29°C

Humidity 74%
Wind Speed E 6 mph
Barometer 29.91 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 22 Jul 6:35 pm AST
Extended Forecast for

Guanica PR

  • Tonight

    Tonight: Scattered showers, mainly between 9pm and midnight. Partly cloudy, with a low around 75. East wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    Low: 75 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers before noon. Widespread haze after 9am. Sunny, with a high near 92. Heat index values as high as 106. East southeast wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 10%.

    High: 92 °F

    Isolated
    Showers then
    Haze

  • Thursday Night

    Thursday Night: Widespread haze. Clear, with a low around 75. East wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 75 °F

    Haze

  • Friday

    Friday: Isolated showers after noon. Widespread haze. Sunny, with a high near 93. Heat index values as high as 107. East southeast wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 10%.

    High: 93 °F

    Haze then
    Isolated
    Showers

  • Friday Night

    Friday Night: Widespread haze. Mostly clear, with a low around 75. East northeast wind 6 to 14 mph, with gusts as high as 23 mph.

    Low: 75 °F

    Haze

  • Saturday

    Saturday: Isolated showers after noon. Sunny, with a high near 93. East southeast wind 7 to 12 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 34 mph. Chance of precipitation is 10%.

    High: 93 °F

    Sunny then
    Isolated
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. East northeast wind 7 to 11 mph.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Scattered showers after noon. Mostly sunny, with a high near 92. East southeast wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 30%.

    High: 92 °F

    Sunny then
    Scattered
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. East wind 7 to 14 mph, with gusts as high as 23 mph.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
Scattered showers, mainly between 9pm and midnight. Partly cloudy, with a low around 75. East wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Thursday
Isolated showers before noon. Widespread haze after 9am. Sunny, with a high near 92. Heat index values as high as 106. East southeast wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 10%.
Thursday Night
Widespread haze. Clear, with a low around 75. East wind 8 to 13 mph, with gusts as high as 21 mph.
Friday
Isolated showers after noon. Widespread haze. Sunny, with a high near 93. Heat index values as high as 107. East southeast wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 10%.
Friday Night
Widespread haze. Mostly clear, with a low around 75. East northeast wind 6 to 14 mph, with gusts as high as 23 mph.
Saturday
Isolated showers after noon. Sunny, with a high near 93. East southeast wind 7 to 12 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 34 mph. Chance of precipitation is 10%.
Saturday Night
Mostly clear, with a low around 75. East northeast wind 7 to 11 mph.
Sunday
Scattered showers after noon. Mostly sunny, with a high near 92. East southeast wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 75. East wind 7 to 14 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 92.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
Scattered showers. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Mostly sunny, with a high near 91.
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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:
5:55 pm AST Jul 22, 2026
Forecast Valid:
6pm AST Jul 22, 2026-6pm AST Jul 29, 2026
 
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Additional Resources

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Chance of Precipitation