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San Antonio, Puerto Rico Weather

San Antonio, Puerto Rico — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for San Antonio, Sabana Grande County.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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✈️ Aviation Weather

Flight conditions near San Antonio. Data source: locating…

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🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for San Antonio.

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About San Antonio, Puerto Rico

San Antonio unfolds on the southern slopes of Puerto Rico, a place where the rich earth breathes a humid, verdant exhalation. It lies 24.1 miles west-north-west of Ponce, PR (from Ponce, PR: bearing 281°T), and is situated 8.7 miles west-north-west of Yauco. Rolling hills, cloaked in a mosaic of sugarcane fields and patches of dense tropical forest, descend toward the distant, shimmering Caribbean Sea. The air here carries the sweet, earthy scent of ripening fruit and the faint, metallic tang of damp soil after a sun-shower, a pervasive perfume that clings to everything. Sunlight, thick and golden in the late afternoon, spills across the landscape, illuminating the emerald hues of the foliage and casting long, dancing shadows that transform the familiar contours of the terrain into something subtly mysterious. The character of San Antonio is one of quiet persistence, a slow unfurling of life under a benevolent, often intense, sun. The history of San Antonio is deeply intertwined with the agricultural veins of Puerto Rico, particularly the cultivation of sugarcane, a legacy that still whispers through the gentle undulations of the land. Generations have worked this soil, their lives shaped by the demands of the harvest and the seasons. While the rhythm of the sugar industry may have softened, the spirit of that industrious past endures, evident in the sturdy hands of those who tend to smaller plots of plantains and coffee, or who engage in the artisanal crafts that keep local traditions alive. The economy of San Antonio, though modest, is woven from these threads of agricultural resilience and a burgeoning appreciation for its natural beauty, drawing visitors who seek a more authentic glimpse of island life, away from the more crowded coastal resorts. The faint, persistent murmur of the nearby Guayanés River, a vital artery through the landscape, serves as a constant reminder of the lifeblood that has sustained San Antonio for centuries.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for San Antonio and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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LocationSan Antonio, Sabana Grande County, Puerto Rico
Coordinates18.079961°N, 66.973233°W
TimezoneAtlantic Standard Time — no DST (America/Puerto_Rico)
ZIP Code(s)00603
Area Code787, 939
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This San Antonio, Puerto Rico Weather Page

This page provides live weather conditions and forecasts for San Antonio, Puerto Rico, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.

Location data for San Antonio includes coordinates 18.079961°N, 66.973233°W, situated in Sabana Grande County. ZIP code 00603. Telephone area code: 787, 939. Timezone: Atlantic Standard Time — no DST (America/Puerto_Rico).

Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.