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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

84°F

29°C

Humidity 70%
Wind Speed E 15 mph
Barometer 29.97 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 11 Oct 4:56 pm AST
Extended Forecast for

Vega Alta PR

  • This Afternoon

    This Afternoon: Isolated showers. Mostly sunny, with a steady temperature around 83. East wind around 14 mph. Chance of precipitation is 10%.

    High: 83 °F

    Isolated
    Showers

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 75. Southeast wind around 7 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Isolated
    Showers

  • Columbus Day

    Columbus Day: Scattered showers, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 90. Heat index values as high as 104. East northeast wind 7 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    Isolated
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 75. Southeast wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers, then showers and possibly a thunderstorm after noon. High near 89. East northeast wind 6 to 11 mph. Chance of precipitation is 80%.

    High: 89 °F

    Isolated
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers after midnight. Mostly clear, with a low around 76. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 10%.

    Low: 76 °F

    Mostly Clear
    then Isolated
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after noon. Partly sunny, with a high near 91. East northeast wind 6 to 14 mph. Chance of precipitation is 60%.

    High: 91 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 77. East southeast wind 6 to 8 mph.

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: Scattered showers, mainly after noon. Mostly sunny, with a high near 90. East northeast wind 7 to 13 mph. Chance of precipitation is 50%.

    High: 90 °F

    Mostly Sunny
    then
    Scattered
    Showers

Detailed Forecast

This Afternoon
Isolated showers. Mostly sunny, with a steady temperature around 83. East wind around 14 mph. Chance of precipitation is 10%.
Tonight
Isolated showers. Partly cloudy, with a low around 75. Southeast wind around 7 mph. Chance of precipitation is 20%.
Columbus Day
Scattered showers, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 90. Heat index values as high as 104. East northeast wind 7 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Isolated showers. Partly cloudy, with a low around 75. Southeast wind 3 to 7 mph. Chance of precipitation is 20%.
Tuesday
Isolated showers, then showers and possibly a thunderstorm after noon. High near 89. East northeast wind 6 to 11 mph. Chance of precipitation is 80%.
Tuesday Night
Isolated showers after midnight. Mostly clear, with a low around 76. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 10%.
Wednesday
Showers likely, mainly after noon. Partly sunny, with a high near 91. East northeast wind 6 to 14 mph. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 77. East southeast wind 6 to 8 mph.
Thursday
Scattered showers, mainly after noon. Mostly sunny, with a high near 90. East northeast wind 7 to 13 mph. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 76.
Friday
Mostly sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 75.
Saturday
Scattered showers. Partly sunny, with a high near 91. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Scattered showers. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Vega Alta PR
 18.41°N 66.32°W (Elev. 194 ft)
Last Update:
4:30 pm AST Oct 11, 2026
Forecast Valid:
5pm AST Oct 11, 2026-6pm AST Oct 18, 2026
 
Forecast Discussion
 
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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