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Current conditions at

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

Fair and Breezy

86°F

30°C

Humidity 62%
Wind Speed SE 22 mph
Barometer 29.97 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 20 Apr 12:35 pm AST
Extended Forecast for

La Alianza PR

  • This Afternoon

    This Afternoon: Scattered showers, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 84. East northeast wind around 11 mph. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 70. Southeast wind 6 to 9 mph. Chance of precipitation is 10%.

    Low: 70 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly between 9am and 3pm. Mostly sunny, with a high near 84. East southeast wind 6 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 30%.

    High: 84 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers after midnight. Partly cloudy, with a low around 70. East northeast wind around 7 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Mostly Clear
    then Isolated
    Showers

  • Wednesday

    Wednesday: Scattered showers, mainly after noon. Mostly sunny, with a high near 83. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 83 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers. Partly cloudy, with a low around 69. East northeast wind around 6 mph. Chance of precipitation is 10%.

    Low: 69 °F

    Isolated
    Showers

  • Thursday

    Thursday: Scattered showers, mainly after noon. Mostly sunny, with a high near 83. Northeast wind 5 to 9 mph. Chance of precipitation is 40%.

    High: 83 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers. Partly cloudy, with a low around 69. East southeast wind around 6 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Scattered
    Showers

  • Friday

    Friday: Showers likely, mainly after noon. Partly sunny, with a high near 83. Calm wind becoming east northeast 5 to 7 mph in the afternoon. Chance of precipitation is 60%.

    High: 83 °F

    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

This Afternoon
Scattered showers, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 84. East northeast wind around 11 mph. Chance of precipitation is 60%.
Tonight
Isolated showers. Partly cloudy, with a low around 70. Southeast wind 6 to 9 mph. Chance of precipitation is 10%.
Tuesday
Scattered showers, mainly between 9am and 3pm. Mostly sunny, with a high near 84. East southeast wind 6 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 30%.
Tuesday Night
Isolated showers after midnight. Partly cloudy, with a low around 70. East northeast wind around 7 mph. Chance of precipitation is 20%.
Wednesday
Scattered showers, mainly after noon. Mostly sunny, with a high near 83. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
Isolated showers. Partly cloudy, with a low around 69. East northeast wind around 6 mph. Chance of precipitation is 10%.
Thursday
Scattered showers, mainly after noon. Mostly sunny, with a high near 83. Northeast wind 5 to 9 mph. Chance of precipitation is 40%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 69. East southeast wind around 6 mph. Chance of precipitation is 30%.
Friday
Showers likely, mainly after noon. Partly sunny, with a high near 83. Calm wind becoming east northeast 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Showers likely. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Scattered showers. Mostly sunny, with a high near 83. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
La Alianza PR
 18.4°N 66.6°W (Elev. 518 ft)
Last Update:
4:00 am AST Apr 20, 2026
Forecast Valid:
1pm AST Apr 20, 2026-6pm AST Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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