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Hazardous Weather Conditions

Current conditions at

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

Fair

81°F

27°C

Humidity 79%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 5 Aug 7:15 am AST
Extended Forecast for

Guanica PR

Heat Advisory August 5, 10:00am until August 5, 05:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 91. East southeast wind 6 to 16 mph, with gusts as high as 28 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Isolated showers before 3am. Partly cloudy, with a low around 74. East wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 74 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers after 3pm. Sunny, with a high near 93. Heat index values as high as 102. East southeast wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 10%.

    High: 93 °F

    Sunny then
    Isolated
    Showers

  • Thursday Night

    Thursday Night: Clear, with a low around 75. East northeast wind 7 to 11 mph.

    Low: 75 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 93. Light east wind becoming east southeast 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. East northeast wind 6 to 8 mph.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92. East southeast wind 10 to 17 mph, with gusts as high as 30 mph.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. East northeast wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. East southeast wind 8 to 18 mph, with gusts as high as 30 mph.

    High: 90 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 91. East southeast wind 6 to 16 mph, with gusts as high as 28 mph.
Tonight
Isolated showers before 3am. Partly cloudy, with a low around 74. East wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Thursday
Isolated showers after 3pm. Sunny, with a high near 93. Heat index values as high as 102. East southeast wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 10%.
Thursday Night
Clear, with a low around 75. East northeast wind 7 to 11 mph.
Friday
Sunny, with a high near 93. Light east wind becoming east southeast 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 74. East northeast wind 6 to 8 mph.
Saturday
Sunny, with a high near 92. East southeast wind 10 to 17 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 75. East northeast wind 7 to 13 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 90. East southeast wind 8 to 18 mph, with gusts as high as 30 mph.
Sunday Night
Clear, with a low around 77.
Monday
Scattered showers. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Guanica PR
 17.97°N 66.95°W (Elev. 308 ft)
Last Update:
5:01 am AST Aug 5, 2026
Forecast Valid:
7am AST Aug 5, 2026-6pm AST Aug 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation