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

77°F

25°C

Humidity 89%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Sep 6:35 am AST
Extended Forecast for

Magas Arriba PR

Heat Advisory September 19, 10:00am until September 19, 05:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Isolated showers before 9am, then isolated showers after noon. Mostly sunny, with a high near 85. East southeast wind 5 to 11 mph. Chance of precipitation is 20%.

    High: 85 °F

    Isolated
    Showers

  • Tonight

    Tonight: Scattered showers, mainly before 9pm. Partly cloudy, with a low around 83. East northeast wind around 6 mph. Chance of precipitation is 40%.

    Low: 83 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, mainly after noon. Mostly sunny, with a high near 85. Southeast wind 8 to 11 mph. Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Isolated showers before midnight. Partly cloudy, with a low around 83. East wind around 7 mph. Chance of precipitation is 20%.

    Low: 83 °F

    Isolated
    Showers then
    Mostly Clear

  • Monday

    Monday: Isolated showers. Mostly sunny, with a high near 85. Southeast wind 7 to 13 mph. Chance of precipitation is 20%.

    High: 85 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 83. East wind around 6 mph. Chance of precipitation is 10%.

    Low: 83 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 85. East southeast wind 8 to 11 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 83. East northeast wind around 6 mph.

    Low: 83 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. East southeast wind 6 to 13 mph.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers before 9am, then isolated showers after noon. Mostly sunny, with a high near 85. East southeast wind 5 to 11 mph. Chance of precipitation is 20%.
Tonight
Scattered showers, mainly before 9pm. Partly cloudy, with a low around 83. East northeast wind around 6 mph. Chance of precipitation is 40%.
Sunday
Scattered showers, mainly after noon. Mostly sunny, with a high near 85. Southeast wind 8 to 11 mph. Chance of precipitation is 40%.
Sunday Night
Isolated showers before midnight. Partly cloudy, with a low around 83. East wind around 7 mph. Chance of precipitation is 20%.
Monday
Isolated showers. Mostly sunny, with a high near 85. Southeast wind 7 to 13 mph. Chance of precipitation is 20%.
Monday Night
Isolated showers. Partly cloudy, with a low around 83. East wind around 6 mph. Chance of precipitation is 10%.
Tuesday
Sunny, with a high near 85. East southeast wind 8 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 83. East northeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 85. East southeast wind 6 to 13 mph.
Wednesday Night
Mostly clear, with a low around 83.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 83.
Friday
Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Magas Arriba PR
 18°N 66.77°W (Elev. 56 ft)
Last Update:
4:49 am AST Sep 19, 2026
Forecast Valid:
6am AST Sep 19, 2026-6pm AST Sep 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation