National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines
Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

87°F

31°C

Humidity 70%
Wind Speed NE 13 mph
Barometer 29.94 in (1013.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 17 Oct 12:56 pm AST
Extended Forecast for

Vega Alta PR

  • This Afternoon

    This Afternoon: Scattered showers. Mostly sunny, with a high near 88. East northeast wind 11 to 13 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers before 9pm. Mostly clear, with a low around 75. South southeast wind 3 to 7 mph. Chance of precipitation is 10%.

    Low: 75 °F

    Isolated
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 88. East northeast wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between three quarters and one inch possible.

    High: 88 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Isolated showers before 3am. Mostly clear, with a low around 75. Southeast wind 3 to 6 mph. Chance of precipitation is 10%.

    Low: 75 °F

    Isolated
    Showers

  • Monday

    Monday: Scattered showers. Mostly sunny, with a high near 89. Light east southeast wind becoming east northeast 5 to 9 mph in the morning. Chance of precipitation is 40%.

    High: 89 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 75. South southeast wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly after noon. Partly sunny, with a high near 89. East wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 89 °F

    Scattered
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. South southeast wind 3 to 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly after noon. Partly sunny, with a high near 90. Light and variable wind becoming east northeast 5 to 9 mph in the morning. Chance of precipitation is 60%.

    High: 90 °F

    Scattered
    Showers then
    Showers
    Likely

Detailed Forecast

This Afternoon
Scattered showers. Mostly sunny, with a high near 88. East northeast wind 11 to 13 mph. Chance of precipitation is 30%.
Tonight
Isolated showers before 9pm. Mostly clear, with a low around 75. South southeast wind 3 to 7 mph. Chance of precipitation is 10%.
Sunday
Scattered showers, with thunderstorms also possible after noon. Partly sunny, with a high near 88. East northeast wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Isolated showers before 3am. Mostly clear, with a low around 75. Southeast wind 3 to 6 mph. Chance of precipitation is 10%.
Monday
Scattered showers. Mostly sunny, with a high near 89. Light east southeast wind becoming east northeast 5 to 9 mph in the morning. Chance of precipitation is 40%.
Monday Night
Isolated showers. Partly cloudy, with a low around 75. South southeast wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday
Showers likely, mainly after noon. Partly sunny, with a high near 89. East wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 74. South southeast wind 3 to 5 mph.
Wednesday
Showers likely, mainly after noon. Partly sunny, with a high near 90. Light and variable wind becoming east northeast 5 to 9 mph in the morning. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 75.
Thursday
Showers likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 76.
Friday
Showers likely. Mostly cloudy, with a high near 90. Chance of precipitation is 70%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vega Alta PR
 18.4°N 66.33°W (Elev. 331 ft)
Last Update:
12:06 pm AST Oct 17, 2026
Forecast Valid:
1pm AST Oct 17, 2026-6pm AST Oct 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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