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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 for San Antonio, Humacao 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 — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

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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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About San Antonio, Puerto Rico

San Antonio, a quiet corner of Humacao, breathes a humid, tropical air that clings to the skin like a second shirt. It lies 15.7 miles east-south-east of Caguas, PR (from Caguas, PR: bearing 110°T), and is situated 0.6 miles north-north-east of Humacao. The land here is a study in gentle slopes, a fertile cradle where emerald sugarcane fields and scattered groves of mango and breadfruit trees unfurl towards the distant, hazy blue of the Caribbean Sea. Small, brightly painted homes, some perched on stilts to catch the breeze, punctuate the landscape, their verandas often adorned with potted ferns and the vibrant hues of bougainvillea. The roads, narrow and winding, curve through this verdant expanse, carrying the occasional pickup truck laden with produce or the rumbling gait of a local bus, its windows often flung open to the warm, salt-tinged wind. The light at dusk is a revelation, bleeding from molten gold to a bruised purple across the western sky, casting long, dancing shadows that soften the edges of the day. This part of Humacao, San Antonio, carries the quiet echoes of a past shaped by agriculture and the sea. For generations, the rich soil yielded its bounty, primarily sugarcane, its cultivation a defining force in the island’s economy and the lives of its people. Traces of this heritage can still be found in the remnants of old plantation roads and the lingering scent of molasses that sometimes drifts on the breeze after a rain shower. Today, while agriculture remains a vital thread, the local economy has diversified, with many residents commuting to larger centers for work or finding opportunities in small businesses and tourism that skirts the edges of this tranquil locality. The nearby coastline, though not directly San Antonio's domain, influences the very rhythm of life, a constant, subtle reminder of the powerful ocean that cradles Puerto Rico, its tides and seasons shaping the island’s enduring spirit.

LocationSan Antonio, Humacao County, Puerto Rico
Coordinates18.15746°N, 65.822663°W
TimezoneAtlantic Standard Time — no DST (America/Puerto_Rico)
Area Code787, 939
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service