National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines
Current conditions at

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

Fair

77°F

25°C

Humidity 83%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 12 Oct 3:35 am AST
Extended Forecast for

Sabana Grande PR

  • Overnight

    Overnight: Mostly clear, with a low around 73. Light east wind.

    Low: 73 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Scattered showers, mainly after 3pm. Mostly sunny, with a high near 90. Heat index values as high as 106. Light east wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 40%.

    High: 90 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers before midnight, then isolated showers after 3am. Partly cloudy, with a low around 73. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.

    Low: 73 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers, with thunderstorms also possible after 3pm. Increasing clouds, with a high near 88. Heat index values as high as 105. Calm wind becoming east southeast 5 to 7 mph in the morning. Chance of precipitation is 50%.

    High: 88 °F

    Sunny then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers before midnight. Mostly clear, with a low around 75. Northeast wind around 6 mph. Chance of precipitation is 10%.

    Low: 75 °F

    Isolated
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Isolated showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 89. Light east northeast wind becoming east southeast 5 to 9 mph in the morning. Chance of precipitation is 70%.

    High: 89 °F

    Isolated
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Clear, with a low around 74. East northeast wind around 6 mph becoming calm after midnight.

    Low: 74 °F

    Clear

  • Thursday

    Thursday: Showers likely after noon. Mostly sunny, with a high near 88. Light and variable wind becoming east northeast around 5 mph in the morning. Chance of precipitation is 60%.

    High: 88 °F

    Sunny then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Clear, with a low around 74. Northeast wind 3 to 5 mph.

    Low: 74 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 73. Light east wind.
Columbus Day
Scattered showers, mainly after 3pm. Mostly sunny, with a high near 90. Heat index values as high as 106. Light east wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 40%.
Monday Night
Scattered showers before midnight, then isolated showers after 3am. Partly cloudy, with a low around 73. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.
Tuesday
Scattered showers, with thunderstorms also possible after 3pm. Increasing clouds, with a high near 88. Heat index values as high as 105. Calm wind becoming east southeast 5 to 7 mph in the morning. Chance of precipitation is 50%.
Tuesday Night
Isolated showers before midnight. Mostly clear, with a low around 75. Northeast wind around 6 mph. Chance of precipitation is 10%.
Wednesday
Isolated showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 89. Light east northeast wind becoming east southeast 5 to 9 mph in the morning. Chance of precipitation is 70%.
Wednesday Night
Clear, with a low around 74. East northeast wind around 6 mph becoming calm after midnight.
Thursday
Showers likely after noon. Mostly sunny, with a high near 88. Light and variable wind becoming east northeast around 5 mph in the morning. Chance of precipitation is 60%.
Thursday Night
Clear, with a low around 74. Northeast wind 3 to 5 mph.
Friday
Showers likely after noon. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 74.
Saturday
Scattered showers. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Showers likely. Mostly sunny, with a high near 90. Chance of precipitation is 70%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sabana Grande PR
 18.08°N 66.96°W (Elev. 551 ft)
Last Update:
2:29 am AST Oct 12, 2026
Forecast Valid:
3am AST Oct 12, 2026-6pm AST Oct 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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