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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 59%
Wind Speed S 3 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 5 Nov 9:56 am AST
Extended Forecast for

Rio Grande PR

  • Today

    Today: Isolated showers, then showers and possibly a thunderstorm after noon. High near 90. Light northwest wind. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 90 °F

    Isolated
    Showers then
    Showers

  • Tonight

    Tonight: Scattered showers and thunderstorms before 3am, then isolated showers. Mostly cloudy, with a low around 75. Light south southwest wind. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 75 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers, then showers and possibly a thunderstorm after noon. High near 91. Southwest wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 91 °F

    Scattered
    Showers then
    Showers

  • Friday Night

    Friday Night: Scattered showers. Mostly cloudy, with a low around 75. Light southwest wind. Chance of precipitation is 40%.

    Low: 75 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 92. Light west wind. Chance of precipitation is 70%.

    High: 92 °F

    Scattered
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Scattered showers. Partly cloudy, with a low around 75. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 75 °F

    Scattered
    Showers

  • Sunday

    Sunday: Showers likely after noon. Mostly sunny, with a high near 89. West southwest wind around 5 mph becoming calm in the morning. Chance of precipitation is 70%.

    High: 89 °F

    Sunny then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Light southwest wind.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Showers likely after noon. Mostly sunny, with a high near 89. Light and variable wind. Chance of precipitation is 60%.

    High: 89 °F

    Sunny then
    Showers
    Likely

Detailed Forecast

Today
Isolated showers, then showers and possibly a thunderstorm after noon. High near 90. Light northwest wind. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Tonight
Scattered showers and thunderstorms before 3am, then isolated showers. Mostly cloudy, with a low around 75. Light south southwest wind. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Scattered showers, then showers and possibly a thunderstorm after noon. High near 91. Southwest wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Scattered showers. Mostly cloudy, with a low around 75. Light southwest wind. Chance of precipitation is 40%.
Saturday
Scattered showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 92. Light west wind. Chance of precipitation is 70%.
Saturday Night
Scattered showers. Partly cloudy, with a low around 75. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 30%.
Sunday
Showers likely after noon. Mostly sunny, with a high near 89. West southwest wind around 5 mph becoming calm in the morning. Chance of precipitation is 70%.
Sunday Night
Mostly clear, with a low around 76. Light southwest wind.
Monday
Showers likely after noon. Mostly sunny, with a high near 89. Light and variable wind. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 76.
Veterans Day
Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rio Grande PR
 18.38°N 65.84°W (Elev. 20 ft)
Last Update:
5:32 am AST Nov 5, 2026
Forecast Valid:
10am AST Nov 5, 2026-6pm AST Nov 11, 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