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

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

A Moderate Risk (Level 3 of 4) Excessive Rainfall Outlook and Flood Watches have been issued for portions of east Texas into Louisiana Thursday where flash, urban, and riverine flooding is possible. A Slight Risk (Level 2 of 5) for scattered severe thunderstorms has been issued from west Texas to the lower Mississippi Valley Thursday afternoon into Thursday night. Read More >

Hazardous Weather Conditions

Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Fair

81°F

27°C

Humidity 79%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 17 May 2:56 am AST
Extended Forecast for

Vega Alta PR

  • Overnight

    Overnight: Clear, with a low around 75. Southeast wind around 6 mph.

    Low: 75 °F

    Clear

  • Friday

    Friday: Isolated showers after 9am. Sunny, with a high near 91. Heat index values as high as 108. East wind 6 to 11 mph. Chance of precipitation is 20%.

    High: 91 °F

    Isolated
    Showers

  • Friday Night

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

    Low: 75 °F

    Isolated
    Showers then
    Clear

  • Saturday

    Saturday: Scattered showers after noon. Mostly sunny, with a high near 91. Heat index values as high as 109. East northeast wind 6 to 11 mph. Chance of precipitation is 40%.

    High: 91 °F

    Sunny then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: Isolated showers. Mostly clear, with a low around 75. East southeast wind 5 to 8 mph. Chance of precipitation is 10%.

    Low: 75 °F

    Mostly Clear
    then Isolated
    Showers

  • Sunday

    Sunday: Scattered showers, mainly after noon. Mostly sunny, with a high near 90. East wind 6 to 13 mph. Chance of precipitation is 50%.

    High: 90 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. East southeast wind around 6 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Scattered showers, mainly after noon. Mostly sunny, with a high near 91. East wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 91 °F

    Sunny then
    Scattered
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. East southeast wind 5 to 8 mph.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 75. Southeast wind around 6 mph.
Friday
Isolated showers after 9am. Sunny, with a high near 91. Heat index values as high as 108. East wind 6 to 11 mph. Chance of precipitation is 20%.
Friday Night
Isolated showers before midnight. Mostly clear, with a low around 75. Southeast wind around 6 mph. Chance of precipitation is 10%.
Saturday
Scattered showers after noon. Mostly sunny, with a high near 91. Heat index values as high as 109. East northeast wind 6 to 11 mph. Chance of precipitation is 40%.
Saturday Night
Isolated showers. Mostly clear, with a low around 75. East southeast wind 5 to 8 mph. Chance of precipitation is 10%.
Sunday
Scattered showers, mainly after noon. Mostly sunny, with a high near 90. East wind 6 to 13 mph. Chance of precipitation is 50%.
Sunday Night
Mostly clear, with a low around 74. East southeast wind around 6 mph.
Monday
Scattered showers, mainly after noon. Mostly sunny, with a high near 91. East wind 5 to 10 mph. Chance of precipitation is 50%.
Monday Night
Mostly clear, with a low around 75. East southeast wind 5 to 8 mph.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Scattered showers. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 72. Chance of precipitation is 40%.
Thursday
Showers likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Vega Alta PR
 18.41°N 66.33°W (Elev. 154 ft)
Last Update:
7:12 pm AST May 16, 2024
Forecast Valid:
3am AST May 17, 2024-6pm AST May 23, 2024
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation