| NWS Forecast for: Guanica PR Issued by: National Weather Service San Juan, PR Last Update: 1:25 pm AST Jun 9, 2026 |  |
This Afternoon: Isolated showers. Mostly sunny, with a high near 33. Southeast wind 18 to 21 km/h, with gusts as high as 35 km/h. Chance of precipitation is 10%. Tonight: Clear, with a low around 23. East wind 10 to 13 km/h. Wednesday: Isolated showers after 3pm. Sunny, with a high near 34. Heat index values as high as 39. Southeast wind 14 to 21 km/h, with gusts as high as 35 km/h. Chance of precipitation is 10%. Wednesday Night: Mostly clear, with a low around 23. East wind 11 to 14 km/h. Thursday: Isolated showers. Mostly sunny, with a high near 33. East southeast wind 13 to 18 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 42 km/h. Chance of precipitation is 20%. Thursday Night: Mostly clear, with a low around 24. East wind 16 to 23 km/h, with gusts as high as 37 km/h. Friday: Sunny, with a high near 33. East southeast wind 18 to 26 km/h, with gusts as high as 45 km/h. Friday Night: Clear, with a low around 24. East wind around 24 km/h, with gusts as high as 40 km/h. Saturday: Sunny, with a high near 33. East southeast wind 21 to 27 km/h, with gusts as high as 47 km/h. Saturday Night: Clear, with a low around 24. Sunday: Sunny, with a high near 33. Sunday Night: Mostly clear, with a low around 24. Monday: Scattered showers. Mostly sunny, with a high near 33. Chance of precipitation is 30%. | |
| Guanica PR 17.97°N 66.92°W (Elev. 16 m) | |
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