Current conditions at

San Juan, Luis Munoz Marin International Airport (TJSJ)

Lat: 18.45°NLon: 66°WElev: 10ft.

A Few Clouds

82°F

28°C

Humidity 82%
Wind Speed SE 3 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 19 Aug 4:56 am AST
Extended Forecast for

Palmer PR

  • Overnight

    Overnight: Scattered showers.  Mostly cloudy, with a low around 78. East southeast wind around 11 mph.  Chance of precipitation is 50%.

    Low: 78 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before noon, then scattered showers between noon and 3pm, then scattered showers and thunderstorms after 3pm.  Cloudy through mid morning, then becoming mostly sunny, with a high near 91. Heat index values as high as 103. East southeast wind 11 to 14 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 91 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Scattered showers.  Mostly cloudy, with a low around 78. East southeast wind 9 to 14 mph.  Chance of precipitation is 50%.

    Low: 78 °F

    Scattered
    Showers

  • Thursday

    Thursday: Isolated showers after 9am.  Widespread haze. Mostly sunny, with a high near 91. East southeast wind 13 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 91 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Isolated showers after midnight.  Widespread haze. Mostly clear, with a low around 79. East wind 11 to 14 mph.  Chance of precipitation is 10%.

    Low: 79 °F

    Haze then
    Isolated
    Showers

  • Friday

    Friday: Scattered showers, mainly after noon.  Widespread haze before noon. Mostly sunny, with a high near 91. East wind around 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    High: 91 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers.  Partly cloudy, with a low around 78. East wind 11 to 14 mph.  Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, mainly after noon.  Mostly sunny, with a high near 91. East wind 13 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 40%.

    High: 91 °F

    Mostly Sunny
    then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers.  Mostly cloudy, with a low around 78. East wind 11 to 13 mph.  Chance of precipitation is 50%.

    Low: 78 °F

    Scattered
    Showers

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 78. East southeast wind around 11 mph. Chance of precipitation is 50%.
Wednesday
Showers likely and possibly a thunderstorm before noon, then scattered showers between noon and 3pm, then scattered showers and thunderstorms after 3pm. Cloudy through mid morning, then becoming mostly sunny, with a high near 91. Heat index values as high as 103. East southeast wind 11 to 14 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Scattered showers. Mostly cloudy, with a low around 78. East southeast wind 9 to 14 mph. Chance of precipitation is 50%.
Thursday
Isolated showers after 9am. Widespread haze. Mostly sunny, with a high near 91. East southeast wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday Night
Isolated showers after midnight. Widespread haze. Mostly clear, with a low around 79. East wind 11 to 14 mph. Chance of precipitation is 10%.
Friday
Scattered showers, mainly after noon. Widespread haze before noon. Mostly sunny, with a high near 91. East wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday Night
Scattered showers. Partly cloudy, with a low around 78. East wind 11 to 14 mph. Chance of precipitation is 30%.
Saturday
Scattered showers, mainly after noon. Mostly sunny, with a high near 91. East wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday Night
Scattered showers. Mostly cloudy, with a low around 78. East wind 11 to 13 mph. Chance of precipitation is 50%.
Sunday
Scattered showers, mainly before noon. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 78. Chance of precipitation is 40%.
Monday
Scattered showers. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 78.
Tuesday
Scattered showers. Partly sunny, with a high near 91. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Palmer PR
 18.38°N 65.77°W (Elev. 52 ft)
3:34 am AST Aug 19, 2026
5am AST Aug 19, 2026-6pm AST Aug 25, 2026
 
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