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.

Light Rain

77°F

25°C

Humidity 100%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 17 Sep 6:35 pm AST
Extended Forecast for

Coamo PR

  • Tonight

    Tonight: Scattered showers, mainly before 3am. Partly cloudy, with a low around 77. East northeast wind 7 to 10 mph. Chance of precipitation is 40%.

    Low: 77 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers, mainly after noon. Mostly sunny, with a high near 91. Heat index values as high as 102. Southeast wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 91 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Friday Night

    Friday Night: Isolated showers before 9pm, then isolated showers after midnight. Partly cloudy, with a low around 76. East northeast wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Isolated
    Showers

  • Saturday

    Saturday: Isolated showers. Mostly sunny, with a high near 90. Southeast wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.

    High: 90 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 75. East northeast wind 3 to 6 mph. Chance of precipitation is 40%.

    Low: 75 °F

    Scattered
    Showers then
    Isolated
    Showers

  • Sunday

    Sunday: Scattered showers and thunderstorms after noon. Mostly sunny, with a high near 90. East wind 6 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    High: 90 °F

    Sunny then
    Scattered
    Showers

  • Sunday Night

    Sunday Night: Clear, with a low around 75. East northeast wind 3 to 5 mph.

    Low: 75 °F

    Clear

  • Monday

    Monday: Mostly sunny, with a high near 90. Southeast wind 7 to 10 mph.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. East northeast wind 5 to 7 mph.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
Scattered showers, mainly before 3am. Partly cloudy, with a low around 77. East northeast wind 7 to 10 mph. Chance of precipitation is 40%.
Friday
Scattered showers, mainly after noon. Mostly sunny, with a high near 91. Heat index values as high as 102. Southeast wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Friday Night
Isolated showers before 9pm, then isolated showers after midnight. Partly cloudy, with a low around 76. East northeast wind 3 to 7 mph. Chance of precipitation is 20%.
Saturday
Isolated showers. Mostly sunny, with a high near 90. Southeast wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.
Saturday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 75. East northeast wind 3 to 6 mph. Chance of precipitation is 40%.
Sunday
Scattered showers and thunderstorms after noon. Mostly sunny, with a high near 90. East wind 6 to 11 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Sunday Night
Clear, with a low around 75. East northeast wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 90. Southeast wind 7 to 10 mph.
Monday Night
Mostly clear, with a low around 75. East northeast wind 5 to 7 mph.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Clear, with a low around 74.
Wednesday
Scattered showers. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Wednesday Night
Clear, with a low around 75.
Thursday
Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Coamo PR
 18.07°N 66.36°W (Elev. 417 ft)
Last Update:
5:58 pm AST Sep 17, 2026
Forecast Valid:
6pm AST Sep 17, 2026-6pm AST Sep 24, 2026
 
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Additional Resources

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Chance of Precipitation