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Guaynabo, Puerto Rico Weather

Guaynabo, Puerto Rico — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Guaynabo, Guaynabo 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 Guaynabo. Data source: locating…

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🌿 Air Quality
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About Guaynabo, Puerto Rico

Guaynabo rises from the verdant foothills of the Sierra de Luquillo, a landscape of rolling hills that soften the edges of the Caribbean sun. It lies 6.8 miles west of Trujillo Alto, PR (from Trujillo Alto, PR: bearing 272°T), and is situated 7.5 miles south of San Juan. Here, the air hangs thick and sweet with the scent of hibiscus and the distant murmur of traffic, a constant hum that speaks of a place alive and breathing. The terrain, a gentle ascent from the coast, offers glimpses of the cerulean sea between the emerald slopes, punctuated by the clean lines of modern architecture and the occasional splash of vibrant bougainvillea against weathered stone. It is a place where the bright, sharp clarity of the tropical daylight is often softened by a hazy, almost pearlescent glow as the afternoon wears on, lending a dreamlike quality to the everyday bustle. This municipality carries the echoes of its past, a history entwined with the agricultural bounty that once defined its character. Once known for its fertile lands and productive farms, Guaynabo has transformed into a significant economic hub, its economy now driven by commerce and innovation, a stark contrast to its agrarian roots. The presence of modern businesses and educational institutions marks this evolution, yet the spirit of resilience and community, cultivated over generations, remains palpable. Its distinctive charm lies not in grand monuments but in the quiet dignity of its daily life, the easy rhythm of its people, and the enduring beauty of its tropical embrace.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Guaynabo 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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LocationGuaynabo, Guaynabo County, Puerto Rico
Coordinates18.35745°N, 66.111°W
TimezoneAtlantic Standard Time — no DST (America/Puerto_Rico)
Area Code787, 939
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Guaynabo, Puerto Rico Weather Page

This page provides live weather conditions and forecasts for Guaynabo, 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 Guaynabo includes coordinates 18.357450°N, 66.111000°W, situated in Guaynabo County. 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.