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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, Caguas 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 unfurls across rolling hills, a verdant quilt stitched with the deep greens of tropical foliage and the ochre hues of well-tended earth. It lies 1.4 miles east-north-east of Caguas, PR (from Caguas, PR: bearing 62°T), and is situated 9.5 miles south-east of Guaynabo. The air here, thick with the scent of damp soil and blooming hibiscus, hangs heavy with the afternoon sun, only to soften into a balmy embrace as dusk begins to bleed across the sky. Rain-fed streams, their banks fringed with broad-leafed plants, snake through the landscape, their murmuring a constant undertone to the rustle of palm fronds and the distant crow of a rooster. The terrain rises and falls with a gentle insistence, offering glimpses of distant, mist-shrouded peaks that define the horizon, a constant reminder of the island's volcanic heart. The history of San Antonio is intrinsically linked to the fertile soil that surrounds it, once the domain of sugar cane plantations that shaped the island's economy for centuries. While the grand estates have largely faded into memory, the agricultural spirit persists, with smaller farms still coaxing mangoes, plantains, and coffee from the rich earth. The local economy now finds a steadier footing in a blend of small businesses and the quiet hum of service industries, catering to the needs of its residents. There's a palpable sense of continuity here, a quiet dignity in the everyday routines of San Antonio, where the echoes of generations past are not lost but subtly woven into the fabric of present-day life, carried on the warm, humid breeze.

LocationSan Antonio, Caguas County, Puerto Rico
Coordinates18.243566°N, 66.030165°W
TimezoneAtlantic Standard Time — no DST (America/Puerto_Rico)
Area Code787, 939
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service