San Juan Tiempo Pronóstico
San Juan weather: 27°C, cielo despejado. Por hora forecast, 14-day outlook, UV, air quality and the best time a visit.
Will it rain in San Juan?
Yes – rain is likely in San Juan today.
A 73% chance means rain is expected over most of the area. Plan indoor alternatives.
Over the next 7 days, about 23 mm of precipitation is forecast, con the wettest days falling on mié., jue., vie., sáb., dom., lun. and mar..
Precipitaciones over the next 7 days is close a normal for octubre (23 mm against a typical 29 mm).
16-day pronóstico para San Juan
Máximas y mínimas diarias, precipitaciones y UV.
| Día | Condiciones | Máx. / Mín. | Precip. | Viento | UV |
|---|---|---|---|---|---|
| mié., oct 28 | 🌦️ Chubascos ligeros | 31° / 26° | 73% · 5 mm | 14 km/h | 7 |
| jue., oct 29 | 🌦️ Llovizna | 31° / 26° | 57% · 2 mm | 15 km/h | 7 |
| vie., oct 30 | 🌦️ Llovizna ligera | 30° / 25° | 66% · 1 mm | 24 km/h | 7 |
| sáb., oct 31 | ⛈️ Tormenta | 29° / 25° | 70% · 6 mm | 19 km/h | 7 |
| dom., nov 1 | ⛈️ Tormenta | 29° / 25° | 67% · 5 mm | 16 km/h | 7 |
| lun., nov 2 | ⛈️ Tormenta | 30° / 25° | 76% · 2 mm | 20 km/h | 1 |
| mar., nov 3 | 🌦️ Llovizna | 31° / 24° | 84% · 2 mm | 22 km/h | 7 |
| mié., nov 4 | ⛈️ Tormenta | 29° / 24° | 91% · 7 mm | 10 km/h | 7 |
| jue., nov 5 | 🌦️ Chubascos ligeros | 28° / 24° | 84% · 13 mm | 11 km/h | 7 |
| vie., nov 6 | 🌦️ Chubascos ligeros | 28° / 24° | 90% · 16 mm | 7 km/h | 7 |
| sáb., nov 7 | ⛈️ Tormenta | 28° / 24° | 79% · 14 mm | 6 km/h | 5 |
| dom., nov 8 | 🌦️ Llovizna | 28° / 24° | 85% · 5 mm | 6 km/h | 7 |
| lun., nov 9 | 🌦️ Llovizna ligera | 29° / 24° | 86% · 1 mm | 16 km/h | 7 |
| mar., nov 10 | 🌥️ Niebla | 29° / 24° | 83% | 24 km/h | 7 |
| mié., nov 11 | 🌦️ Llovizna ligera | 29° / 24° | 28% · 2 mm | 20 km/h | 7 |
| jue., nov 12 | ☁️ Cubierto | 31° / 23° | 35% | 16 km/h | 6 |
What this means for San Juan
Today is about average for octubre. The forecast high of 31°C is in line con the 30°C typical for this month.
A 73% 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 junio 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 agosto, octubre and noviembre – historically the least comfortable months here.
Ver el pronóstico de San Juan por periodo
San Juan weather – more answers
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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 27°C (80°F) con cielo despejado. Humedad is 80% and wind is 8 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 9:21 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 data | USPOTUS Atlas dataset (cities-world) – coordinates, hierarchy and facts. |
|---|---|
| Pronóstico and observations | Open-Meteo (ECMWF and national models). |
| Calidad del aire 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 Tiempo 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 octubre 28, 2026 at 9:21 AM hora local. Live blocks refresh every 15 minutes; climate averages monthly.
