National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

Mostly Cloudy

77°F

25°C

Humidity 89%
Wind Speed NE 3 mph
Barometer 30.01 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 30 Jan 11:35 pm AST
Extended Forecast for

Santa Isabel PR

  • Tonight

    Tonight: Scattered showers, mainly after midnight. Partly cloudy, with a low around 71. East northeast wind 7 to 9 mph. Chance of precipitation is 30%.

    Low: 71 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 86. East southeast wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 86 °F

    Scattered
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 71. Southeast wind 7 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 71 °F

    Showers

  • Sunday

    Sunday: Isolated showers. Mostly sunny, with a high near 86. South southeast wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 86 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Scattered showers. Partly cloudy, with a low around 70. East wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Scattered
    Showers

  • Monday

    Monday: Isolated showers, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 85. North northeast wind around 6 mph becoming light and variable. Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers. Mostly cloudy, with a low around 68. North wind 13 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly after noon. Mostly cloudy, with a high near 83. North northeast wind 18 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.

    High: 83 °F

    Scattered
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely. Cloudy, with a low around 68. Northeast wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 68 °F

    Showers
    Likely

Detailed Forecast

Tonight
Scattered showers, mainly after midnight. Partly cloudy, with a low around 71. East northeast wind 7 to 9 mph. Chance of precipitation is 30%.
Saturday
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 86. East southeast wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 71. Southeast wind 7 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Isolated showers. Mostly sunny, with a high near 86. South southeast wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Sunday Night
Scattered showers. Partly cloudy, with a low around 70. East wind 3 to 6 mph. Chance of precipitation is 30%.
Monday
Isolated showers, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 85. North northeast wind around 6 mph becoming light and variable. Chance of precipitation is 40%.
Monday Night
Scattered showers. Mostly cloudy, with a low around 68. North wind 13 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.
Tuesday
Showers likely, mainly after noon. Mostly cloudy, with a high near 83. North northeast wind 18 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely. Cloudy, with a low around 68. Northeast wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Wednesday
Showers likely. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Thursday
Scattered showers. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Isabel PR
 17.98°N 66.4°W (Elev. 56 ft)
Last Update:
4:29 pm AST Jan 30, 2026
Forecast Valid:
11pm AST Jan 30, 2026-6pm AST Feb 6, 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