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.
14-day previsão para San Juan
Máximas e mínimas diárias, precipitação e UV.
| Dia | Condições | Máx. / Mín. | Precip. | Vento | UV |
|---|---|---|---|---|---|
| sáb., set 19 | 🌦️ Chuvisco fraco | 30° / 26° | 78% · 0 mm | 23 km/h | 8 |
| dom., set 20 | 🌦️ Chuvisco fraco | 30° / 26° | 72% · 1 mm | 20 km/h | 8 |
| seg., set 21 | ⛈️ Trovoada | 30° / 26° | 93% · 4 mm | 20 km/h | 9 |
| ter., set 22 | 🌧️ Chuvisco forte | 30° / 26° | 95% · 4 mm | 21 km/h | 8 |
| qua., set 23 | 🌦️ Aguaceiros fracos | 29° / 24° | 87% · 5 mm | 22 km/h | 9 |
| qui., set 24 | ☀️ Céu limpo | 30° / 25° | 63% | 19 km/h | 8 |
| sex., set 25 | ☀️ Céu limpo | 30° / 26° | 41% | 24 km/h | 9 |
| sáb., set 26 | 🌦️ Chuvisco fraco | 28° / 26° | 70% · 3 mm | 25 km/h | 9 |
| dom., set 27 | 🌦️ Chuvisco | 30° / 27° | 73% · 4 mm | 10 km/h | 9 |
| seg., set 28 | ⛅ Parcialmente nublado | 32° / 26° | 66% | 14 km/h | 8 |
| ter., set 29 | 🌦️ Chuvisco fraco | 30° / 27° | 72% · 1 mm | 25 km/h | 7 |
| qua., set 30 | 🌦️ Chuvisco | 30° / 27° | 79% · 3 mm | 27 km/h | 8 |
| qui., out 1 | 🌦️ Chuvisco | 29° / 24° | 67% · 3 mm | 22 km/h | 8 |
| sex., out 2 | 🌦️ Chuvisco fraco | 30° / 26° | 70% · 2 mm | 27 km/h | 8 |
The two-week trend
Steady. The second week averages within a degree of the first, so no big change is signalled.
The window averages 30°C against a setembro normal of 30°C – right on average.
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
Today is about average for setembro. The forecast high of 30°C is in line com the 30°C typical for this month.
A 78% chance means rain is expected over most of the area. Plan indoor alternatives.
Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in junho a agosto.
The gap between the warmest and coldest month averages 3°C – an unusually even climate through the year.
What a pack, what a skip
- 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
- 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 data | USPOTUS Atlas dataset (cities-world) – coordinates, hierarchy and facts. |
|---|---|
| Previsão and observations | Open-Meteo (ECMWF and national models). |
| Qualidade do ar and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Clima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Tempo Service. |
| Method | Scores, 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.





