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

79°F

26°C

Humidity 79%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 13 Jul 1:55 am AST
Extended Forecast for

Guanica PR

Heat Advisory July 13, 10:00am until July 13, 05:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Isolated showers after 3am. Widespread haze. Mostly clear, with a low around 76. East wind around 5 mph. Chance of precipitation is 10%.

    Low: 76 °F

    Isolated
    Showers

  • Monday

    Monday: Scattered showers between noon and 3pm. Widespread haze before noon, then widespread haze after 3pm. Sunny, with a high near 94. Heat index values as high as 105. East southeast wind 9 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    High: 94 °F

    Haze then
    Scattered
    Showers

  • Monday Night

    Monday Night: Widespread haze. Mostly clear, with a low around 76. East wind 7 to 16 mph, with gusts as high as 26 mph.

    Low: 76 °F

    Haze

  • Tuesday

    Tuesday: Widespread haze. Sunny, with a high near 94. Heat index values as high as 103. East southeast wind 15 to 20 mph, with gusts as high as 33 mph.

    High: 94 °F

    Haze

  • Tuesday Night

    Tuesday Night: Widespread haze. Clear, with a low around 76. East northeast wind 6 to 16 mph, with gusts as high as 26 mph.

    Low: 76 °F

    Haze

  • Wednesday

    Wednesday: Isolated showers after noon. Widespread haze. Sunny, with a high near 94. East southeast wind 13 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 10%.

    High: 94 °F

    Haze then
    Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. East northeast wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Scattered showers, mainly after noon. Mostly sunny, with a high near 94. East southeast wind 13 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    High: 94 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. East wind 8 to 17 mph, with gusts as high as 28 mph.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Overnight
Isolated showers after 3am. Widespread haze. Mostly clear, with a low around 76. East wind around 5 mph. Chance of precipitation is 10%.
Monday
Scattered showers between noon and 3pm. Widespread haze before noon, then widespread haze after 3pm. Sunny, with a high near 94. Heat index values as high as 105. East southeast wind 9 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Monday Night
Widespread haze. Mostly clear, with a low around 76. East wind 7 to 16 mph, with gusts as high as 26 mph.
Tuesday
Widespread haze. Sunny, with a high near 94. Heat index values as high as 103. East southeast wind 15 to 20 mph, with gusts as high as 33 mph.
Tuesday Night
Widespread haze. Clear, with a low around 76. East northeast wind 6 to 16 mph, with gusts as high as 26 mph.
Wednesday
Isolated showers after noon. Widespread haze. Sunny, with a high near 94. East southeast wind 13 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 10%.
Wednesday Night
Mostly clear, with a low around 76. East northeast wind 8 to 14 mph, with gusts as high as 23 mph.
Thursday
Scattered showers, mainly after noon. Mostly sunny, with a high near 94. East southeast wind 13 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 76. East wind 8 to 17 mph, with gusts as high as 28 mph.
Friday
Scattered showers after noon. Mostly sunny, with a high near 94. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 76.
Saturday
Scattered showers. Mostly sunny, with a high near 94. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
Scattered showers. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
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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:
9:52 pm AST Jul 12, 2026
Forecast Valid:
2am AST Jul 13, 2026-6pm AST Jul 19, 2026
 
Forecast Discussion
 
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