Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Current conditions at

Ponce, Mercedita Airport (TJPS)

Lat: 18.02°NLon: 66.57°WElev: 26ft.

Mostly Cloudy

84°F

29°C

Humidity 70%
Wind Speed SE 20 G 25 mph
Barometer 29.97 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 13 Mar 2:35 pm AST
Extended Forecast for

Guanica PR

  • This Afternoon

    This Afternoon: Scattered showers.  Mostly sunny, with a high near 88. East southeast wind around 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers between midnight and 3am.  Mostly clear, with a low around 67. East wind around 7 mph.  Chance of precipitation is 20%.

    Low: 67 °F

    Mostly Clear
    then Isolated
    Showers

  • Saturday

    Saturday: Isolated showers after noon.  Sunny, with a high near 88. East southeast wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph.  Chance of precipitation is 20%.

    High: 88 °F

    Sunny then
    Isolated
    Showers

  • Saturday Night

    Saturday Night: Clear, with a low around 66. East wind around 7 mph.

    Low: 66 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88. East southeast wind 6 to 11 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 34 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69. East wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88. East southeast wind 14 to 20 mph, with gusts as high as 32 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. East wind 10 to 16 mph, with gusts as high as 26 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. East southeast wind 15 to 20 mph, with gusts as high as 33 mph.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
Scattered showers. Mostly sunny, with a high near 88. East southeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Tonight
Isolated showers between midnight and 3am. Mostly clear, with a low around 67. East wind around 7 mph. Chance of precipitation is 20%.
Saturday
Isolated showers after noon. Sunny, with a high near 88. East southeast wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 20%.
Saturday Night
Clear, with a low around 66. East wind around 7 mph.
Sunday
Sunny, with a high near 88. East southeast wind 6 to 11 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 34 mph.
Sunday Night
Mostly clear, with a low around 69. East wind 9 to 13 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 88. East southeast wind 14 to 20 mph, with gusts as high as 32 mph.
Monday Night
Mostly clear, with a low around 69. East wind 10 to 16 mph, with gusts as high as 26 mph.
Tuesday
Sunny, with a high near 88. East southeast wind 15 to 20 mph, with gusts as high as 33 mph.
Tuesday Night
Clear, with a low around 68.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 67.
Thursday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Guanica PR
 17.97°N 66.92°W (Elev. 16 ft)
1:33 pm AST Mar 13, 2026
3pm AST Mar 13, 2026-6pm AST Mar 19, 2026
 
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