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Hazardous Weather Conditions

Current conditions at

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

Fair

84°F

29°C

Humidity 70%
Wind Speed NE 6 mph
Barometer 29.96 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 5 Oct 7:50 am AST
Extended Forecast for

Sabana Grande PR

Heat Advisory October 5, 10:00am until October 5, 03:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Isolated showers between noon and 3pm, then scattered showers and thunderstorms after 3pm. Increasing clouds, with a high near 91. Heat index values as high as 106. Southeast wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 91 °F

    Sunny then
    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers before 9pm. Mostly clear, with a low around 73. East wind around 7 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Scattered
    Showers then
    Clear

  • Tuesday

    Tuesday: Scattered showers and thunderstorms after noon. Increasing clouds, with a high near 92. Heat index values as high as 106. East southeast wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 92 °F

    Sunny then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. East wind 3 to 5 mph.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Isolated showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 89. Southeast wind 5 to 11 mph. Chance of precipitation is 60%.

    High: 89 °F

    Isolated
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly before midnight. Partly cloudy, with a low around 74. East southeast wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers, mainly after noon. Mostly sunny, with a high near 90. East southeast wind 9 to 13 mph. Chance of precipitation is 40%.

    High: 90 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 73. East wind 3 to 8 mph.

    Low: 73 °F

    Partly Cloudy

  • Friday

    Friday: Scattered showers after noon. Mostly sunny, with a high near 91. Light east wind becoming east southeast 6 to 11 mph in the morning. Chance of precipitation is 40%.

    High: 91 °F

    Sunny then
    Scattered
    Showers

Detailed Forecast

Today
Isolated showers between noon and 3pm, then scattered showers and thunderstorms after 3pm. Increasing clouds, with a high near 91. Heat index values as high as 106. Southeast wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Scattered showers before 9pm. Mostly clear, with a low around 73. East wind around 7 mph. Chance of precipitation is 30%.
Tuesday
Scattered showers and thunderstorms after noon. Increasing clouds, with a high near 92. Heat index values as high as 106. East southeast wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Mostly clear, with a low around 73. East wind 3 to 5 mph.
Wednesday
Isolated showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 89. Southeast wind 5 to 11 mph. Chance of precipitation is 60%.
Wednesday Night
Scattered showers, mainly before midnight. Partly cloudy, with a low around 74. East southeast wind 6 to 9 mph. Chance of precipitation is 30%.
Thursday
Scattered showers, mainly after noon. Mostly sunny, with a high near 90. East southeast wind 9 to 13 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 73. East wind 3 to 8 mph.
Friday
Scattered showers after noon. Mostly sunny, with a high near 91. Light east wind becoming east southeast 6 to 11 mph in the morning. Chance of precipitation is 40%.
Friday Night
Clear, with a low around 73.
Saturday
Scattered showers. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Saturday Night
Clear, with a low around 73.
Sunday
Scattered showers. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sabana Grande PR
 18.08°N 66.96°W (Elev. 551 ft)
Last Update:
4:25 am AST Oct 5, 2026
Forecast Valid:
8am AST Oct 5, 2026-6pm AST Oct 11, 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