San Juan Počasí Předpověď
San Juan weather: 29°C, polojasno. Po hodinách forecast, 14-day outlook, UV, air quality and the best time do visit.
14-day forecast for San Juan
Max. / Min.; Srážky; UV
| Den | Podmínky | Max. / Min. | Srážky | Vítr | UV |
|---|---|---|---|---|---|
| út, srp 25 | 🌦️ Light drizzle | 30° / 27° | 73% · 1 mm | 26 km/h | 8 |
| st, srp 26 | ☁️ Zataženo | 30° / 27° | 33% | 28 km/h | 9 |
| čt, srp 27 | ⛈️ Bouřka | 29° / 26° | 71% · 2 mm | 30 km/h | 9 |
| pá, srp 28 | ⛈️ Bouřka | 30° / 26° | 58% · 2 mm | 26 km/h | 9 |
| so, srp 29 | 🌦️ Light drizzle | 30° / 27° | 90% · 1 mm | 24 km/h | 9 |
| ne, srp 30 | 🌦️ Light drizzle | 30° / 26° | 96% · 2 mm | 22 km/h | 9 |
| po, srp 31 | 🌦️ Light drizzle | 30° / 26° | 91% · 2 mm | 24 km/h | 9 |
| út, zář 1 | 🌦️ Mrholení | 30° / 26° | 81% · 5 mm | 24 km/h | 9 |
| st, zář 2 | 🌦️ Light drizzle | 30° / 27° | 66% · 1 mm | 26 km/h | 8 |
| čt, zář 3 | 🌦️ Light drizzle | 30° / 27° | 70% · 1 mm | 27 km/h | 9 |
| pá, zář 4 | 🌦️ Light drizzle | 29° / 28° | 71% · 2 mm | 24 km/h | 7 |
| so, zář 5 | 🌦️ Light drizzle | 29° / 28° | 73% · 1 mm | 20 km/h | 9 |
| ne, zář 6 | 🌦️ Light drizzle | 29° / 27° | 76% · 3 mm | 27 km/h | 9 |
| po, zář 7 | ⛈️ Bouřka | 28° / 26° | 67% · 6 mm | 12 km/h | 6 |
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 srpen normal of 30°C - right on average.
Déšťfall over the next 7 days is close do normal for srpen (9 mm against a typical 22 mm).
What this means for San Juan
Today is about average for srpen. The forecast high of 30°C is in line s 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 červen do srpen.
The gap between the warmest and coldest month averages 3°C - an unusually even climate through the year.
What do pack, what do skip
- Lightweight, light-coloured clothing and a refillable water bottle
- neglasses, a brimmed hat and SPF 30+
- A packable rain shell - 6 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid únor, říjen and listopad - historically the least comfortable months here.
Zobrazit předpověď pro San Juan podle časového období
San Juan weather - more answers
Explore San Juan
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Frequently asked questions
Where is San Juan?
San Juan is a city in Portoriko. Its coordinates are 18.4655, -66.1057. It lies in Severní Amerika.
What is the weather like in San Juan právě teď?
It is currently 29°C (84°F) s polojasno. Vlhkost is 81% and wind is 12 km/h.
When is the best time do visit San Juan?
leden, březen, kvě, červen, červenec and prosinec offer the most comfortable conditions in San Juan, which has a temperate climate. únor, říjen and listopad 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 local time is 12:26 AM.
How many people live in San Juan?
San Juan has a population of approximately 340.000.
What are the top things do 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. |
|---|---|
| Předpověď and observations | Open-Meteo (ECMWF and national models). |
| Kvalita ovzduší and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Počasí 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 srpen 26, 2026 at 12:26 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
