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, Caguas County.
Flight conditions near San Antonio. Data source: locating…
Soil conditions, frost risk and crop weather for San Antonio.
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.
Live animated radar for San Antonio and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | San Antonio, Caguas County, Puerto Rico |
| Coordinates | 18.243566°N, 66.030165°W |
| Timezone | Atlantic Standard Time — no DST (America/Puerto_Rico) |
| ZIP Code(s) | 00603 |
| Area Code | 787, 939 |
| Page generated | July 2026 |
| Weather data | Open-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 18.243566°N, 66.030165°W, situated in Caguas 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.
