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.

Partly Cloudy

90°F

32°C

Humidity 63%
Wind Speed SE 20 G 25 mph
Barometer 29.95 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 17 Aug 3:35 pm AST
Extended Forecast for

4 Miles NNW Marueno PR

Heat Advisory until August 17, 05:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 17, 05:00pm

    NOW until 5:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 80 °F

    Scattered
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 69. Northeast wind 3 to 6 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Isolated showers between noon and 3pm, then scattered showers and thunderstorms after 3pm. Increasing clouds, with a high near 78. Light east wind becoming east southeast 5 to 9 mph in the morning. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Sunny then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers after 9pm. Mostly clear, with a low around 69. Light east northeast wind. Chance of precipitation is 10%.

    Low: 69 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 77. Southeast wind 5 to 8 mph. Chance of precipitation is 50%.

    High: 77 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers. Partly cloudy, with a low around 70. East wind 3 to 5 mph. Chance of precipitation is 10%.

    Low: 70 °F

    Isolated
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 78. East southeast wind 8 to 11 mph.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69. East northeast wind 5 to 7 mph.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Scattered showers. Mostly sunny, with a high near 80. Southeast wind around 7 mph. Chance of precipitation is 30%.
Tonight
Mostly clear, with a low around 69. Northeast wind 3 to 6 mph.
Tuesday
Isolated showers between noon and 3pm, then scattered showers and thunderstorms after 3pm. Increasing clouds, with a high near 78. Light east wind becoming east southeast 5 to 9 mph in the morning. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Isolated showers after 9pm. Mostly clear, with a low around 69. Light east northeast wind. Chance of precipitation is 10%.
Wednesday
Isolated showers, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 77. Southeast wind 5 to 8 mph. Chance of precipitation is 50%.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 70. East wind 3 to 5 mph. Chance of precipitation is 10%.
Thursday
Mostly sunny, with a high near 78. East southeast wind 8 to 11 mph.
Thursday Night
Mostly clear, with a low around 69. East northeast wind 5 to 7 mph.
Friday
Sunny, with a high near 79. East southeast wind 7 to 11 mph.
Friday Night
Mostly clear, with a low around 70.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Marueno PR
 18.12°N 66.68°W (Elev. 1955 ft)
Last Update:
1:36 pm AST Aug 17, 2026
Forecast Valid:
3pm AST Aug 17, 2026-6pm AST Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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