City in Porto Rico

San Juan Tempo Previsão

San Juan weather: 29°C, encoberto. Por hora forecast, 14-day outlook, UV, air quality and the best time a visit.

☁️ 29°C now🕔 7:05 PM local📅 Best: janeiro, março, mai, junho, julho, agosto and dezembro👥 340.000

14-day previsão para San Juan

Máximas e mínimas diárias, precipitação e UV.

DiaCondiçõesMáx. / Mín.Precip.VentoUV
sáb., set 19🌦️ Chuvisco fraco30° / 26°78% · 0 mm23 km/h8
dom., set 20🌦️ Chuvisco fraco30° / 26°72% · 1 mm20 km/h8
seg., set 21⛈️ Trovoada30° / 26°93% · 4 mm20 km/h9
ter., set 22🌧️ Chuvisco forte30° / 26°95% · 4 mm21 km/h8
qua., set 23🌦️ Aguaceiros fracos29° / 24°87% · 5 mm22 km/h9
qui., set 24☀️ Céu limpo30° / 25°63%19 km/h8
sex., set 25☀️ Céu limpo30° / 26°41%24 km/h9
sáb., set 26🌦️ Chuvisco fraco28° / 26°70% · 3 mm25 km/h9
dom., set 27🌦️ Chuvisco30° / 27°73% · 4 mm10 km/h9
seg., set 28⛅ Parcialmente nublado32° / 26°66%14 km/h8
ter., set 29🌦️ Chuvisco fraco30° / 27°72% · 1 mm25 km/h7
qua., set 30🌦️ Chuvisco30° / 27°79% · 3 mm27 km/h8
qui., out 1🌦️ Chuvisco29° / 24°67% · 3 mm22 km/h8
sex., out 2🌦️ Chuvisco fraco30° / 26°70% · 2 mm27 km/h8

The two-week trend

Temperature trend

Steady. The second week averages within a degree of the first, so no big change is signalled.

Against the normal

The window averages 30°C against a setembro normal of 30°C – right on average.

Precipitação

Precipitação over the next 7 days is close a normal for setembro (14 mm against a typical 23 mm).

What this means for San Juan

Compared com normal

Today is about average for setembro. The forecast high of 30°C is in line com the 30°C typical for this month.

Chuva chance explained

A 78% chance means rain is expected over most of the area. Plan indoor alternatives.

Viagens and driving

Wet roads are likely; braking distances roughly double in heavy rain.

Worth knowing

Northern Hemisphere, so peak summer falls in junho a agosto.

Worth knowing

The gap between the warmest and coldest month averages 3°C – an unusually even climate through the year.

What a pack, what a skip

Pack for the next 7 days
  • Lightweight, light-coloured clothing and a refillable water bottle
  • dom.glasses, a brimmed hat and SPF 30+
  • A packable rain shell – 7 of the next 7 days carry a real chance of rain
Worth avoiding
  • If your dates are flexible, avoid fevereiro, outubro and novembro – historically the least comfortable months here.

Ver a previsão de San Juan por período

San Juan weather – more answers

Explore San Juan

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

Tempo for related places

Frequently asked questions

Where is San Juan?

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

What is the weather like in San Juan agora?

It is currently 29°C (84°F) com encoberto. Humidade is 74% and wind is 15 km/h.

When is the best time a visit San Juan?

janeiro, março, mai, junho, julho, agosto and dezembro offer the most comfortable conditions in San Juan, which has a temperate climate. fevereiro, outubro and novembro 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 7:05 PM.

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.
Previsão and observationsOpen-Meteo (ECMWF and national models).
Qualidade do ar and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Clima averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Tempo 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 setembro 19, 2026 at 7:05 PM 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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