City in Puerto Rico

San Juan Tiempo Pronóstico

San Juan weather: 28°C, parcialmente nublado. Por hora forecast, 14-day outlook, UV, air quality and the best time a visit.

☁️ 28°C now🕔 8:03 AM local📅 Best: enero, marzo, may, junio, julio, septiembre and diciembre👥 340.000

Calidad del aire and pollen in San Juan

21
Good
Calidad del aire is satisfactory for everyone.
PM2.54.7 µg/m³
PM107.5 µg/m³
Ozone33 µg/m³
NO₂0.8 µg/m³
Índice UV0 · Bajo
Airborne hazeDespejado air

Calidad del aire: Open-Meteo (CAMS). US AQI scale.

Health and safety today

Skin and UVNo protection needed for most skin types.
Heat stressThe heat index is 33°C, higher than the air temperature because humidity is 81%. Sweat evaporates slowly, so drink before you feel thirsty and take shade breaks.
PetsPavement can be 20°C hotter than the air. Walk dogs early or late, never leave animals in cars, and carry water.
Older adultsHeat builds up slowly indoors. Check on anyone over 65 living alone and keep rooms ventilated.
ChildrenSmall bodies overheat faster than adults. Shade, hats and frequent drinks; skip midday sport.

Tiempo en San Juan ahora mismo

☁️
28°C
Parcialmente nublado · sensación térmica 33°C
Humedad81%
Viento11 km/h SE
Ráfagas17 km/h
Índice UV0 · Bajo
Nubosidad75%
Presión1013 hPa
VisibilidadExcellent · 29 km
Calidad del aire21 · Good
Amanecer6:21 AM
Atardecer5:55 PM
Luna🌕 Full moon · 99%

Fuente: Open-Meteo. Actualizado 8:03 AM, oct 25 hora local.

Ver el pronóstico de San Juan por periodo

San Juan weather – more answers

Explore San Juan

Every topic we hold for this place, and the same topic for the places around it.

Tiempo for related places

Frequently asked questions

Where is San Juan?

San Juan is a city in Puerto Rico. Its coordinates are 18.4655, -66.1057. It lies in América del Norte.

What is the weather like in San Juan ahora mismo?

It is currently 28°C (83°F) con parcialmente nublado. Humedad is 81% and wind is 11 km/h.

When is the best time a visit San Juan?

enero, marzo, may, junio, julio, septiembre and diciembre offer the most comfortable conditions in San Juan, which has a temperate climate. agosto, octubre and noviembre are usually the hardest months for outdoor plans.

What time zone is San Juan in?

San Juan observes America/Puerto_Rico (UTC-04:00). The hora local is 8:03 AM.

How many people live in San Juan?

San Juan has a population of approximately 340.000.

What are the top things a do in San Juan?

Popular options include Virgin Islands National Park.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (cities-world) – coordinates, hierarchy and facts.
Pronóstico and observationsOpen-Meteo (ECMWF and national models).
Calidad del aire and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Clima averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Tiempo Service.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing – the block is simply not shown.

Last updated octubre 25, 2026 at 8:03 AM hora local. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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