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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

82°F

28°C

Humidity 79%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 11 Oct 9:56 pm AST
Extended Forecast for

Toa Alta PR

  • Tonight

    Tonight: Isolated showers. Partly cloudy, with a low around 76. Southeast wind around 6 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Isolated
    Showers

  • Columbus Day

    Columbus Day: Scattered showers, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 87. East wind 6 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    Isolated
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 77. Southeast wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers, then showers and possibly a thunderstorm after noon. High near 87. Heat index values as high as 102. East northeast wind 5 to 11 mph. Chance of precipitation is 80%.

    High: 87 °F

    Isolated
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers. Partly cloudy, with a low around 77. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 10%.

    Low: 77 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 88. East northeast wind 6 to 14 mph. Chance of precipitation is 60%.

    High: 88 °F

    Isolated
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 77. East southeast wind 5 to 7 mph.

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East northeast wind 7 to 13 mph. Chance of precipitation is 50%.

    High: 88 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77. East southeast wind around 7 mph.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Tonight
Isolated showers. Partly cloudy, with a low around 76. Southeast wind around 6 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 87. East wind 6 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 77. Southeast wind 3 to 7 mph. Chance of precipitation is 20%.
Tuesday
Isolated showers, then showers and possibly a thunderstorm after noon. High near 87. Heat index values as high as 102. East northeast wind 5 to 11 mph. Chance of precipitation is 80%.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 77. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 10%.
Wednesday
Isolated showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 88. East northeast wind 6 to 14 mph. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 77. East southeast wind 5 to 7 mph.
Thursday
Scattered showers, mainly after noon. Mostly sunny, with a high near 88. East northeast wind 7 to 13 mph. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 77. East southeast wind around 7 mph.
Friday
Mostly sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 76.
Saturday
Scattered showers. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Scattered showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Toa Alta PR
 18.39°N 66.25°W (Elev. 89 ft)
Last Update:
4:30 pm AST Oct 11, 2026
Forecast Valid:
10pm AST Oct 11, 2026-6pm AST Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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