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

Excessive Rainfall and Severe Thunderstorms Threaten the Southern U.S. Again Friday

Heavy to excessive rainfall is forecast for eastern Louisiana into central Alabama which could bring flash, urban, and riverine flooding Friday. Scattered severe thunderstorms with a few tornadoes, very large hail, and damaging winds are possible across parts of the Gulf Coast States Friday and Friday night. Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

80°F

27°C

Humidity 85%
Wind Speed Calm
Barometer 29.97 in (1014.6 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 17 May 5:56 am AST
Extended Forecast for

Las Piedras PR

  • Today

    Today: Scattered showers, mainly after 9am. Mostly sunny, with a high near 92. Heat index values as high as 102. Southeast wind 6 to 9 mph. Chance of precipitation is 30%.

    High: 92 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, mainly before 9pm. Partly cloudy, with a low around 74. East wind around 6 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, mainly after 9am. Mostly sunny, with a high near 91. East southeast wind 7 to 9 mph. Chance of precipitation is 50%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 91 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Isolated showers. Partly cloudy, with a low around 74. East wind around 6 mph. Chance of precipitation is 20%.

    Low: 74 °F

    Isolated
    Showers

  • Sunday

    Sunday: Scattered showers. Mostly sunny, with a high near 91. East southeast wind 8 to 10 mph. Chance of precipitation is 50%.

    High: 91 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Partly cloudy, with a low around 74. East wind around 6 mph. Chance of precipitation is 20%.

    Low: 74 °F

    Isolated
    Showers

  • Monday

    Monday: Scattered showers, mainly before noon. Mostly sunny, with a high near 92. East southeast wind 8 to 10 mph. Chance of precipitation is 30%.

    High: 92 °F

    Scattered
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 74. East wind around 8 mph.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91. East southeast wind around 10 mph.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers, mainly after 9am. Mostly sunny, with a high near 92. Heat index values as high as 102. Southeast wind 6 to 9 mph. Chance of precipitation is 30%.
Tonight
Scattered showers, mainly before 9pm. Partly cloudy, with a low around 74. East wind around 6 mph. Chance of precipitation is 30%.
Saturday
Scattered showers, mainly after 9am. Mostly sunny, with a high near 91. East southeast wind 7 to 9 mph. Chance of precipitation is 50%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Isolated showers. Partly cloudy, with a low around 74. East wind around 6 mph. Chance of precipitation is 20%.
Sunday
Scattered showers. Mostly sunny, with a high near 91. East southeast wind 8 to 10 mph. Chance of precipitation is 50%.
Sunday Night
Isolated showers. Partly cloudy, with a low around 74. East wind around 6 mph. Chance of precipitation is 20%.
Monday
Scattered showers, mainly before noon. Mostly sunny, with a high near 92. East southeast wind 8 to 10 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 74. East wind around 8 mph.
Tuesday
Mostly sunny, with a high near 91. East southeast wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
Showers likely. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 91. Chance of precipitation is 60%.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Las Piedras PR
 18.19°N 65.87°W (Elev. 381 ft)
Last Update:
5:42 am AST May 17, 2024
Forecast Valid:
6am AST May 17, 2024-6pm AST May 23, 2024
 
Forecast Discussion
 
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Additional Resources

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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