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

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

Partly Cloudy

88°F

31°C

Humidity 66%
Wind Speed NE 14 mph
Barometer 29.99 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 14 Oct 11:56 am AST
Extended Forecast for

Palmer PR

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a temperature falling to around 82 by 5pm. East wind around 11 mph. Chance of precipitation is 50%.

    High: 87 °F⇓

    Scattered
    Showers

  • Tonight

    Tonight: Showers likely, mainly before 9pm. Mostly cloudy, with a low around 77. East wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 77 °F

    Showers
    Likely

  • Thursday

    Thursday: Scattered showers. Partly sunny, with a high near 87. East wind around 11 mph. Chance of precipitation is 40%.

    High: 87 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers, mainly after midnight. Mostly cloudy, with a low around 77. East wind around 7 mph. Chance of precipitation is 50%.

    Low: 77 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers. Partly sunny, with a high near 88. East wind 7 to 13 mph. Chance of precipitation is 40%.

    High: 88 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers. Mostly cloudy, with a low around 77. East wind around 9 mph. Chance of precipitation is 50%.

    Low: 77 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers. Mostly sunny, with a high near 90. East wind 9 to 11 mph. Chance of precipitation is 30%.

    High: 90 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers. Partly cloudy, with a low around 76. East wind around 8 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers. Partly sunny, with a high near 90. East wind 7 to 11 mph. Chance of precipitation is 40%.

    High: 90 °F

    Scattered
    Showers

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a temperature falling to around 82 by 5pm. East wind around 11 mph. Chance of precipitation is 50%.
Tonight
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 77. East wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Scattered showers. Partly sunny, with a high near 87. East wind around 11 mph. Chance of precipitation is 40%.
Thursday Night
Scattered showers, mainly after midnight. Mostly cloudy, with a low around 77. East wind around 7 mph. Chance of precipitation is 50%.
Friday
Scattered showers. Partly sunny, with a high near 88. East wind 7 to 13 mph. Chance of precipitation is 40%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 77. East wind around 9 mph. Chance of precipitation is 50%.
Saturday
Scattered showers. Mostly sunny, with a high near 90. East wind 9 to 11 mph. Chance of precipitation is 30%.
Saturday Night
Scattered showers. Partly cloudy, with a low around 76. East wind around 8 mph. Chance of precipitation is 30%.
Sunday
Scattered showers. Partly sunny, with a high near 90. East wind 7 to 11 mph. Chance of precipitation is 40%.
Sunday Night
Scattered showers. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
Monday
Scattered showers. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Monday Night
Scattered showers. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Tuesday
Scattered showers. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Palmer PR
 18.38°N 65.78°W (Elev. 302 ft)
Last Update:
11:16 am AST Oct 14, 2026
Forecast Valid:
12pm AST Oct 14, 2026-6pm AST Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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