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.

81°F

27°C

Humidity 84%
Wind Speed E 5 mph
Barometer 30.00 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 6 Jun 9:55 pm AST
Extended Forecast for

Guanica PR

  • Tonight

    Tonight: Isolated showers after 3am. Widespread haze after 3am. Mostly clear, with a low around 75. East wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.

    Low: 75 °F

    Clear then
    Isolated
    Showers

  • Sunday

    Sunday: Scattered showers, mainly after 3pm. Widespread haze before 3pm. Mostly sunny, with a high near 92. Heat index values as high as 102. East southeast wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 92 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Isolated showers before midnight. Widespread haze. Mostly clear, with a low around 75. East wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 10%.

    Low: 75 °F

    Isolated
    Showers then
    Haze

  • Monday

    Monday: Isolated showers after noon. Widespread haze. Sunny, with a high near 92. East southeast wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 92 °F

    Haze then
    Isolated
    Showers

  • Monday Night

    Monday Night: Widespread haze. Clear, with a low around 75. East wind 7 to 10 mph.

    Low: 75 °F

    Haze

  • Tuesday

    Tuesday: Isolated showers after noon. Widespread haze. Sunny, with a high near 92. Southeast wind 9 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 10%.

    High: 92 °F

    Haze then
    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Widespread haze. Clear, with a low around 74. East wind around 9 mph.

    Low: 74 °F

    Haze

  • Wednesday

    Wednesday: Sunny, with a high near 92. East southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. East wind 8 to 11 mph.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
Isolated showers after 3am. Widespread haze after 3am. Mostly clear, with a low around 75. East wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.
Sunday
Scattered showers, mainly after 3pm. Widespread haze before 3pm. Mostly sunny, with a high near 92. Heat index values as high as 102. East southeast wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Sunday Night
Isolated showers before midnight. Widespread haze. Mostly clear, with a low around 75. East wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 10%.
Monday
Isolated showers after noon. Widespread haze. Sunny, with a high near 92. East southeast wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Monday Night
Widespread haze. Clear, with a low around 75. East wind 7 to 10 mph.
Tuesday
Isolated showers after noon. Widespread haze. Sunny, with a high near 92. Southeast wind 9 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 10%.
Tuesday Night
Widespread haze. Clear, with a low around 74. East wind around 9 mph.
Wednesday
Sunny, with a high near 92. East southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.
Wednesday Night
Mostly clear, with a low around 74. East wind 8 to 11 mph.
Thursday
Scattered showers after noon. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Thursday Night
Clear, with a low around 75.
Friday
Sunny, with a high near 92.
Friday Night
Clear, with a low around 75.
Saturday
Sunny, with a high near 92.
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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:
4:12 pm AST Jun 6, 2026
Forecast Valid:
10pm AST Jun 6, 2026-6pm AST Jun 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation