San Juan Météo Prévisions
San Juan weather: 27°C, ciel dégagé. Par heure forecast, 14-day outlook, UV, air quality and the best time à 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, avec the wettest days falling on mer., jeu., ven., sam., dim., lun. and mar..
Précipitations over the next 7 days is close à normal for octobre (23 mm against a typical 29 mm).
16-prévisions à San Juan
Maximales, minimales, précipitations et UV quotidiens.
| Jour | Conditions | Max / Min | Précip. | Vent | UV |
|---|---|---|---|---|---|
| mer., oct 28 | 🌦️ Averses légères | 31° / 26° | 73% · 5 mm | 14 km/h | 7 |
| jeu., oct 29 | 🌦️ Bruine | 31° / 26° | 57% · 2 mm | 15 km/h | 7 |
| ven., oct 30 | 🌦️ Bruine légère | 30° / 25° | 66% · 1 mm | 24 km/h | 7 |
| sam., oct 31 | ⛈️ Orage | 29° / 25° | 70% · 6 mm | 19 km/h | 7 |
| dim., nov 1 | ⛈️ Orage | 29° / 25° | 67% · 5 mm | 16 km/h | 7 |
| lun., nov 2 | ⛈️ Orage | 30° / 25° | 76% · 2 mm | 20 km/h | 1 |
| mar., nov 3 | 🌦️ Bruine | 31° / 24° | 84% · 2 mm | 22 km/h | 7 |
| mer., nov 4 | ⛈️ Orage | 29° / 24° | 91% · 7 mm | 10 km/h | 7 |
| jeu., nov 5 | 🌦️ Averses légères | 28° / 24° | 84% · 13 mm | 11 km/h | 7 |
| ven., nov 6 | 🌦️ Averses légères | 28° / 24° | 90% · 16 mm | 7 km/h | 7 |
| sam., nov 7 | ⛈️ Orage | 28° / 24° | 79% · 14 mm | 6 km/h | 5 |
| dim., nov 8 | 🌦️ Bruine | 28° / 24° | 85% · 5 mm | 6 km/h | 7 |
| lun., nov 9 | 🌦️ Bruine légère | 29° / 24° | 86% · 1 mm | 16 km/h | 7 |
| mar., nov 10 | 🌥️ Brouillard | 29° / 24° | 83% | 24 km/h | 7 |
| mer., nov 11 | 🌦️ Bruine légère | 29° / 24° | 28% · 2 mm | 20 km/h | 7 |
| jeu., nov 12 | ☁️ Couvert | 31° / 23° | 35% | 16 km/h | 6 |
What this means for San Juan
Today is about average for octobre. The forecast high of 31°C is in line avec 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 juin à août.
The gap between the warmest and coldest month averages 3°C – an unusually even climate through the year.
What à pack, what à skip
- Lightweight, light-coloured clothing and a refillable water bottle
- dim.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 août, octobre and novembre – historically the least comfortable months here.
Voir les prévisions de San Juan par période
San Juan weather – more answers
Explore San Juan
Every topic we hold for this place, and the same topic for the places around it.
Météo 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 Amérique du Nord.
What is the weather like in San Juan maintenant?
It is currently 27°C (80°F) avec ciel dégagé. Humidité is 80% and wind is 8 km/h.
When is the best time à visit San Juan?
janvier, mars, mai, juin, juillet, septembre and décembre offer the most comfortable conditions in San Juan, which has a temperate climate. août, octobre and novembre 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 heure locale 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 à 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. |
|---|---|
| Prévisions and observations | Open-Meteo (ECMWF and national models). |
| Qualité de l’air and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climat averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Météo 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 octobre 28, 2026 at 9:21 AM heure locale. Live blocks refresh every 15 minutes; climate averages monthly.
