San Juan Météo Prévisions
San Juan weather: 29°C, couvert. Par heure forecast, 14-day outlook, UV, air quality and the best time à visit.
Risk assessment for San Juan
Derived from the current forecast window – not an official warning.
Peak gusts of 40 km/h and 2 thunderstorm days in the next 16 days.
Wettest single day forecast at 34 mm, 69 mm across the window. Flash flooding risk rises sharply above 50 mm in a day.
Active alerts for San Juan
Rip Current Statement issued octobre 24 at 10:26AM AST until octobre 26 at 6:00AM AST by NWS San Juan PR
Issued by NWS San Juan PR
16-prévisions à San Juan
Maximales, minimales, précipitations et UV quotidiens.
| Jour | Conditions | Max / Min | Précip. | Vent | UV |
|---|---|---|---|---|---|
| ven., oct 23 | ☁️ Couvert | 32° / 27° | 90% | 17 km/h | 8 |
| sam., oct 24 | 🌦️ Bruine | 31° / 27° | 79% · 1 mm | 19 km/h | 8 |
| dim., oct 25 | 🌦️ Bruine | 31° / 27° | 61% · 2 mm | 16 km/h | 8 |
| lun., oct 26 | ☁️ Couvert | 32° / 26° | 56% | 19 km/h | 7 |
| mar., oct 27 | 🌦️ Bruine légère | 31° / 25° | 49% · 1 mm | 17 km/h | 7 |
| mer., oct 28 | 🌦️ Bruine légère | 30° / 25° | 49% · 0 mm | 21 km/h | 7 |
| jeu., oct 29 | 🌦️ Bruine | 31° / 26° | 58% · 4 mm | 14 km/h | 7 |
| ven., oct 30 | 🌦️ Bruine légère | 30° / 25° | 52% · 0 mm | 22 km/h | 7 |
| sam., oct 31 | 🌦️ Bruine | 30° / 25° | 75% · 5 mm | 24 km/h | 7 |
| dim., nov 1 | ⛈️ Orage | 29° / 25° | 83% · 7 mm | 22 km/h | 7 |
| lun., nov 2 | 🌦️ Bruine | 28° / 24° | 78% · 6 mm | 10 km/h | 5 |
| mar., nov 3 | 🌦️ Bruine légère | 29° / 24° | 78% · 3 mm | 14 km/h | 7 |
| mer., nov 4 | ⛈️ Orage | 29° / 24° | 77% · 34 mm | 8 km/h | 7 |
| jeu., nov 5 | 🌦️ Bruine légère | 28° / 24° | 68% · 2 mm | 13 km/h | 7 |
| ven., nov 6 | 🌦️ Bruine légère | 30° / 25° | 62% · 1 mm | 15 km/h | 7 |
| sam., nov 7 | 🌦️ Bruine légère | 30° / 24° | 48% · 2 mm | 19 km/h | 7 |
What this means for San Juan
Today is slightly warmer than average for octobre. The forecast high of 32°C is 1.9°C above the 30°C typical for this month.
A 90% 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.
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 29°C (84°F) avec couvert. Humidité is 75% and wind is 13 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 1:59 PM.
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 24, 2026 at 1:59 PM heure locale. Live blocks refresh every 15 minutes; climate averages monthly.





