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Hazardous Weather Conditions

Current conditions at

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

Partly Cloudy

82°F

28°C

Humidity 84%
Wind Speed E 7 mph
Barometer 29.97 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 16 Aug 1:55 am AST
Extended Forecast for

Guayama PR

Heat Advisory August 16, 10:00am until August 16, 05:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Isolated showers. Widespread haze. Partly cloudy, with a low around 78. East northeast wind around 10 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers before noon. Widespread haze. Sunny, with a high near 89. East wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 89 °F

    Isolated
    Showers then
    Haze

  • Sunday Night

    Sunday Night: Isolated showers between 9pm and 3am. Widespread haze before 9pm. Mostly clear, with a low around 79. East northeast wind 8 to 10 mph. Chance of precipitation is 10%.

    Low: 79 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers. Mostly sunny, with a high near 90. East wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 10%.

    High: 90 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 78. Northeast wind around 8 mph. Chance of precipitation is 10%.

    Low: 78 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 90. East wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.

    High: 90 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78. East northeast wind around 8 mph.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. East southeast wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 79. East northeast wind 5 to 8 mph.

    Low: 79 °F

    Partly Cloudy

Detailed Forecast

Overnight
Isolated showers. Widespread haze. Partly cloudy, with a low around 78. East northeast wind around 10 mph. Chance of precipitation is 20%.
Sunday
Isolated showers before noon. Widespread haze. Sunny, with a high near 89. East wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Sunday Night
Isolated showers between 9pm and 3am. Widespread haze before 9pm. Mostly clear, with a low around 79. East northeast wind 8 to 10 mph. Chance of precipitation is 10%.
Monday
Isolated showers. Mostly sunny, with a high near 90. East wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 10%.
Monday Night
Isolated showers. Partly cloudy, with a low around 78. Northeast wind around 8 mph. Chance of precipitation is 10%.
Tuesday
Isolated showers. Mostly sunny, with a high near 90. East wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 10%.
Tuesday Night
Mostly clear, with a low around 78. East northeast wind around 8 mph.
Wednesday
Mostly sunny, with a high near 89. East southeast wind 8 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 79. East northeast wind 5 to 8 mph.
Thursday
Showers likely, mainly before noon. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Thursday Night
Mostly clear, with a low around 79.
Friday
Sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 79.
Saturday
Scattered showers. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Basemap Options
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Guayama PR
 17.99°N 66.1°W (Elev. 285 ft)
Last Update:
1:05 am AST Aug 16, 2026
Forecast Valid:
2am AST Aug 16, 2026-6pm AST Aug 22, 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