National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

Fair

91°F

33°C

Humidity 67%
Wind Speed SE 9 mph
Barometer 30.02 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 11 Sep 10:15 am AST
Extended Forecast for

Guanica PR

Extreme Heat Warning September 11, 10:33am until September 11, 05:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 11, 10:33am until September 11, 05:00pm

    NOW until 5:00pm Fri

    Extreme Heat Warning

  • Today

    High: 93 °F⇓

    Haze

  • Tonight

    Tonight: Widespread haze. Clear, with a low around 75. East wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 75 °F

    Haze

  • Saturday

    Saturday: Isolated showers after noon. Widespread haze. Sunny, with a high near 93. Heat index values as high as 110. East southeast wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 10%.

    High: 93 °F

    Haze then
    Isolated
    Showers

  • Saturday Night

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

    Low: 74 °F

    Haze

  • Sunday

    Sunday: Isolated showers after noon. Widespread haze before noon. Mostly sunny, with a high near 91. East southeast wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 20%.

    High: 91 °F

    Haze then
    Isolated
    Showers

  • Sunday Night

    Sunday Night: Clear, with a low around 74. East northeast wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 74 °F

    Clear

  • Monday

    Monday: Scattered showers, mainly after noon. Mostly sunny, with a high near 93. East southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 50%.

    High: 93 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. East northeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Today
Widespread haze. Sunny, with a temperature rising to near 93 by noon, then falling to around 85 during the remainder of the day. Heat index values as high as 110. East southeast wind 16 to 20 mph, with gusts as high as 32 mph.
Tonight
Widespread haze. Clear, with a low around 75. East wind 8 to 14 mph, with gusts as high as 24 mph.
Saturday
Isolated showers after noon. Widespread haze. Sunny, with a high near 93. Heat index values as high as 110. East southeast wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 10%.
Saturday Night
Widespread haze. Mostly clear, with a low around 74. East northeast wind 6 to 8 mph.
Sunday
Isolated showers after noon. Widespread haze before noon. Mostly sunny, with a high near 91. East southeast wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 20%.
Sunday Night
Clear, with a low around 74. East northeast wind 7 to 13 mph, with gusts as high as 21 mph.
Monday
Scattered showers, mainly after noon. Mostly sunny, with a high near 93. East southeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 50%.
Monday Night
Mostly clear, with a low around 76. East northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 93. East southeast wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny, with a high near 92.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Guanica PR
 17.97°N 66.92°W (Elev. 16 ft)
Last Update:
10:23 am AST Sep 11, 2026
Forecast Valid:
10am AST Sep 11, 2026-6pm AST Sep 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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