San Antonio, Puerto Rico — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for San Antonio, Arroyo County.
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San Antonio, a cluster of homes and small businesses, unfolds across the undulating terrain of Arroyo Municipality. It lies 18.3 miles south of Caguas, PR (from Caguas, PR: bearing 182°T), and is situated 3.7 miles east-south-east of Guayama. The land here is a study in greens, from the deep, almost bruised hue of the mature banana plants to the vibrant, sun-kissed shoots of new sugarcane. Rolling hills, softened by the constant caress of the Caribbean breeze, frame the settlement, their slopes patched with small homesteads and the occasional larger parcel dedicated to cultivation. The air itself carries a humid sweetness, a blend of blooming hibiscus and the rich, earthy scent of soil that has known generations of tending. Even in the midday heat, a certain languid grace pervades the scene, the shadows lengthening slowly from the sturdy, brightly painted houses, their verandas offering a welcome respite from the persistent warmth. The history of San Antonio is inextricably linked to the agricultural cycles that have long defined this part of Puerto Rico. Sugarcane, once the undisputed king, still carpets many of the surrounding fields, its tall stalks whispering secrets to the wind. The legacy of these plantations, though diminished, is etched into the landscape, in the remnants of old processing facilities and the enduring spirit of resilience in its people. Today, while agriculture remains a vital thread, the local economy has diversified, with many residents finding work in nearby towns or contributing to the growing tourism sector that draws visitors to the island's natural beauty. San Antonio itself possesses a quiet character, a place where the rhythm of life is dictated less by the clock and more by the arc of the sun and the needs of the land, a steadfast corner of the island where tradition and the present moment coexist.
| Location | San Antonio, Arroyo County, Puerto Rico |
| Coordinates | 17.969689°N, 66.058776°W |
| Timezone | Atlantic Standard Time — no DST (America/Puerto_Rico) |
| Area Code | 787, 939 |
| Page generated | June 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |