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.

79°F

26°C

Humidity 89%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 19 Aug 2:10 am AST
Extended Forecast for

2 Miles ESE Los Llanos PR

  • Overnight

    Overnight: Isolated showers after 3am. Partly cloudy, with a low around 76. Light east northeast wind. Chance of precipitation is 10%.

    Low: 76 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 91. Heat index values as high as 106. Southeast wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 91 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers before 9pm, then isolated showers after midnight. Widespread haze after midnight. Partly cloudy, with a low around 76. East northeast wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Isolated
    Showers

  • Thursday

    Thursday: Widespread haze. Sunny, with a high near 93. Heat index values as high as 103. East southeast wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 93 °F

    Haze

  • Thursday Night

    Thursday Night: Widespread haze. Mostly clear, with a low around 75. East northeast wind 7 to 9 mph.

    Low: 75 °F

    Haze

  • Friday

    Friday: Isolated showers after noon. Widespread haze. Sunny, with a high near 93. East wind 10 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 10%.

    High: 93 °F

    Haze then
    Isolated
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 76. East northeast wind 5 to 8 mph.

    Low: 76 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 93. East southeast wind 7 to 16 mph, with gusts as high as 28 mph.

    High: 93 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76. East northeast wind 5 to 7 mph.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Overnight
Isolated showers after 3am. Partly cloudy, with a low around 76. Light east northeast wind. Chance of precipitation is 10%.
Wednesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 91. Heat index values as high as 106. Southeast wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday Night
Isolated showers before 9pm, then isolated showers after midnight. Widespread haze after midnight. Partly cloudy, with a low around 76. East northeast wind 5 to 7 mph. Chance of precipitation is 20%.
Thursday
Widespread haze. Sunny, with a high near 93. Heat index values as high as 103. East southeast wind 11 to 15 mph, with gusts as high as 24 mph.
Thursday Night
Widespread haze. Mostly clear, with a low around 75. East northeast wind 7 to 9 mph.
Friday
Isolated showers after noon. Widespread haze. Sunny, with a high near 93. East wind 10 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 10%.
Friday Night
Partly cloudy, with a low around 76. East northeast wind 5 to 8 mph.
Saturday
Mostly sunny, with a high near 93. East southeast wind 7 to 16 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 76. East northeast wind 5 to 7 mph.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Los Llanos PR
 18.05°N 66.38°W (Elev. 246 ft)
Last Update:
2:10 am AST Aug 19, 2026
Forecast Valid:
2am AST Aug 19, 2026-6pm AST Aug 25, 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