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Current conditions at

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

Partly Cloudy

81°F

27°C

Humidity 84%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 15 Nov 4:15 am AST
Extended Forecast for

La Alianza PR

  • Today

    Today: Sunny, with a high near 90. South southeast wind 5 to 7 mph becoming east in the afternoon.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 73. South southeast wind 3 to 5 mph.

    Low: 73 °F

    Clear

  • Monday

    Monday: Scattered showers between noon and 3pm, then scattered showers and thunderstorms after 3pm. Increasing clouds, with a high near 88. Southeast wind 6 to 14 mph becoming east northeast in the afternoon. Chance of precipitation is 50%.

    High: 88 °F

    Sunny then
    Scattered
    Showers

  • Monday Night

    Monday Night: Isolated showers before midnight. Mostly clear, with a low around 75. East wind 5 to 8 mph. Chance of precipitation is 10%.

    Low: 75 °F

    Isolated
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 87. East northeast wind 6 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 87 °F

    Sunny then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Isolated showers after midnight. Mostly clear, with a low around 75. East wind 7 to 10 mph. Chance of precipitation is 10%.

    Low: 75 °F

    Mostly Clear
    then Isolated
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after noon. Partly sunny, with a high near 87. East northeast wind 7 to 11 mph. Chance of precipitation is 60%.

    High: 87 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 73. Southeast wind 3 to 6 mph.

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: Scattered showers, mainly after noon. Mostly sunny, with a high near 87. East wind 3 to 7 mph. Chance of precipitation is 50%.

    High: 87 °F

    Mostly Sunny
    then
    Scattered
    Showers

Detailed Forecast

Today
Sunny, with a high near 90. South southeast wind 5 to 7 mph becoming east in the afternoon.
Tonight
Clear, with a low around 73. South southeast wind 3 to 5 mph.
Monday
Scattered showers between noon and 3pm, then scattered showers and thunderstorms after 3pm. Increasing clouds, with a high near 88. Southeast wind 6 to 14 mph becoming east northeast in the afternoon. Chance of precipitation is 50%.
Monday Night
Isolated showers before midnight. Mostly clear, with a low around 75. East wind 5 to 8 mph. Chance of precipitation is 10%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 87. East northeast wind 6 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday Night
Isolated showers after midnight. Mostly clear, with a low around 75. East wind 7 to 10 mph. Chance of precipitation is 10%.
Wednesday
Showers likely, mainly after noon. Partly sunny, with a high near 87. East northeast wind 7 to 11 mph. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 73. Southeast wind 3 to 6 mph.
Thursday
Scattered showers, mainly after noon. Mostly sunny, with a high near 87. East wind 3 to 7 mph. Chance of precipitation is 50%.
Thursday Night
Mostly clear, with a low around 74.
Friday
Scattered showers. Mostly sunny, with a high near 88. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 73.
Saturday
Showers likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
La Alianza PR
 18.4°N 66.6°W (Elev. 518 ft)
Last Update:
1:20 am AST Nov 15, 2026
Forecast Valid:
4am AST Nov 15, 2026-6pm AST Nov 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation