| NWS Forecast for: Guanica PR Issued by: National Weather Service San Juan, PR Last Update: 3:22 am AST Jun 16, 2026 | |
| Today: Isolated showers before 9am. Sunny, with a high near 34. East southeast wind 13 to 18 km/h increasing to 27 to 32 km/h in the morning. Winds could gust as high as 55 km/h. Chance of precipitation is 10%. Tonight: Mostly clear, with a low around 24. East wind 18 to 23 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 39 km/h. Wednesday: Isolated showers before 9am. Sunny, with a high near 34. Heat index values as high as 39. East southeast wind 16 to 21 km/h increasing to 22 to 27 km/h in the morning. Winds could gust as high as 50 km/h. Chance of precipitation is 10%. Wednesday Night: Isolated showers after midnight. Mostly clear, with a low around 24. East northeast wind 13 to 21 km/h, with gusts as high as 37 km/h. Chance of precipitation is 10%. Thursday: Isolated showers after noon. Widespread haze. Sunny, with a high near 34. East southeast wind 18 to 23 km/h increasing to 29 to 34 km/h in the morning. Winds could gust as high as 60 km/h. Chance of precipitation is 10%. Thursday Night: Widespread haze. Mostly clear, with a low around 24. East wind 16 to 24 km/h, with gusts as high as 45 km/h. Juneteenth: Widespread haze. Mostly sunny, with a high near 34. East southeast wind 18 to 23 km/h increasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 55 km/h. Friday Night: Widespread haze. Partly cloudy, with a low around 24. East wind 22 to 27 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 48 km/h. Saturday: Sunny, with a high near 34. East southeast wind 21 to 26 km/h increasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 55 km/h. Saturday Night: Mostly clear, with a low around 24. Sunday: Mostly sunny, with a high near 34. Sunday Night: Partly cloudy, with a low around 25. Monday: Sunny, with a high near 34. | |
| Guanica PR 17.97°N 66.92°W (Elev. 16 m) | |
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