Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Read More >

Current conditions at

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

Fair

73°F

23°C

Humidity 78%
Wind Speed NE 3 mph
Barometer 29.99 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 17 Mar 3:55 am AST
Extended Forecast for

Guanica PR

  • Today

    Today: Sunny, with a high near 88. East southeast wind 10 to 15 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 36 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Isolated showers after 3am.  Mostly clear, with a low around 68. East wind 8 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    Low: 68 °F

    Mostly Clear
    then Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers before 9am.  Sunny, with a high near 88. East southeast wind 10 to 20 mph, with gusts as high as 32 mph.  Chance of precipitation is 10%.

    High: 88 °F

    Isolated
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. East wind 6 to 14 mph, with gusts as high as 23 mph.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Scattered showers, mainly before noon.  Mostly sunny, with a high near 88. East southeast wind 9 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Isolated showers.  Partly cloudy, with a low around 68. East wind 8 to 10 mph.  Chance of precipitation is 10%.

    Low: 68 °F

    Isolated
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 87. South southeast wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Scattered showers.  Mostly cloudy, with a low around 67. East southeast wind 3 to 5 mph.  Chance of precipitation is 40%.

    Low: 67 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, mainly before noon.  Mostly sunny, with a high near 86. South southeast wind 6 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers then
    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 88. East southeast wind 10 to 15 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 36 mph.
Tonight
Isolated showers after 3am. Mostly clear, with a low around 68. East wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday
Isolated showers before 9am. Sunny, with a high near 88. East southeast wind 10 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 10%.
Wednesday Night
Mostly clear, with a low around 67. East wind 6 to 14 mph, with gusts as high as 23 mph.
Thursday
Scattered showers, mainly before noon. Mostly sunny, with a high near 88. East southeast wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Thursday Night
Isolated showers. Partly cloudy, with a low around 68. East wind 8 to 10 mph. Chance of precipitation is 10%.
Friday
Mostly sunny, with a high near 87. South southeast wind 10 to 13 mph, with gusts as high as 22 mph.
Friday Night
Scattered showers. Mostly cloudy, with a low around 67. East southeast wind 3 to 5 mph. Chance of precipitation is 40%.
Saturday
Scattered showers, mainly before noon. Mostly sunny, with a high near 86. South southeast wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Sunday
Showers likely. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Sunday Night
Showers likely. Cloudy, with a low around 66. Chance of precipitation is 70%.
Monday
Scattered showers. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Guanica PR
 17.97°N 66.92°W (Elev. 16 ft)
2:56 am AST Mar 17, 2026
4am AST Mar 17, 2026-6pm AST Mar 23, 2026
 
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