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Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Light Rain

79°F

26°C

Humidity 84%
Wind Speed E 7 mph
Barometer 29.96 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 12 Oct 2:56 am AST
Extended Forecast for

Caguas PR

  • Overnight

    Overnight: Scattered showers. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 30%.

    Low: 75 °F

    Scattered
    Showers

  • Columbus Day

    Columbus Day: Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 90. Heat index values as high as 102. East southeast wind 5 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 75. Light and variable wind. Chance of precipitation is 20%.

    Low: 75 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers, then showers and possibly a thunderstorm after noon. High near 88. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 80%.

    High: 88 °F

    Scattered
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers. Partly cloudy, with a low around 75. Light east northeast wind. Chance of precipitation is 30%.

    Low: 75 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Isolated showers, then scattered showers and thunderstorms after noon. Partly sunny, with a high near 89. Light east northeast wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 50%.

    High: 89 °F

    Isolated
    Showers then
    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: Scattered showers, mainly after noon. Mostly sunny, with a high near 88. Light east wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%.

    High: 88 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Scattered showers. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 30%.
Columbus Day
Scattered showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 90. Heat index values as high as 102. East southeast wind 5 to 11 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. Light and variable wind. Chance of precipitation is 20%.
Tuesday
Scattered showers, then showers and possibly a thunderstorm after noon. High near 88. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 80%.
Tuesday Night
Scattered showers. Partly cloudy, with a low around 75. Light east northeast wind. Chance of precipitation is 30%.
Wednesday
Isolated showers, then scattered showers and thunderstorms after noon. Partly sunny, with a high near 89. Light east northeast wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 76. Calm wind.
Thursday
Scattered showers, mainly after noon. Mostly sunny, with a high near 88. Light east wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%.
Thursday Night
Scattered showers. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 30%.
Friday
Scattered showers. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 75.
Saturday
Scattered showers. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Scattered showers. Partly sunny, with a high near 90. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Caguas PR
 18.23°N 66.07°W (Elev. 262 ft)
Last Update:
2:29 am AST Oct 12, 2026
Forecast Valid:
3am AST Oct 12, 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