| NWS Forecast for: Guanica PR Issued by: National Weather Service San Juan, PR Last Update: 3:33 am AST May 8, 2026 | |
| Today: Scattered showers after 3pm. Mostly sunny, with a high near 92. East southeast wind 5 to 10 mph increasing to 12 to 17 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 40%. Tonight: Scattered showers, mainly before 9pm. Partly cloudy, with a low around 72. East wind around 6 mph. Chance of precipitation is 40%. Saturday: Isolated showers after 3pm. Sunny, with a high near 92. Heat index values as high as 102. East southeast wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 10%. Saturday Night: Clear, with a low around 72. East northeast wind 8 to 13 mph, with gusts as high as 22 mph. Sunday: Sunny, with a high near 92. East southeast wind 10 to 20 mph, with gusts as high as 33 mph. Sunday Night: Clear, with a low around 73. East wind 7 to 14 mph, with gusts as high as 23 mph. Monday: Mostly sunny, with a high near 92. East southeast wind 10 to 18 mph, with gusts as high as 30 mph. Monday Night: Partly cloudy, with a low around 73. East wind 9 to 13 mph, with gusts as high as 22 mph. Tuesday: Sunny, with a high near 92. East southeast wind 15 to 17 mph, with gusts as high as 29 mph. Tuesday Night: Mostly clear, with a low around 73. Wednesday: Sunny, with a high near 92. Wednesday Night: Mostly clear, with a low around 74. Thursday: Sunny, with a high near 92. | |
| Guanica PR 17.97°N 66.92°W (Elev. 16 ft) | |
Visit your local NWS office at: https://www.weather.gov/sju |




