City in 波多黎各

San Juan 天气 预报

San Juan weather: 28°C, 大部晴朗. 逐小时 forecast, 14-day outlook, UV, air quality and the best time至visit.

🌙 28°C now🕔 11:06 PM local📅 Best: 一月, 三月, 五月, 六月, 七月, 九月 and 十二月👥 340.000

14-day forecast for San Juan

最高 / 最低; 降水; UV

日期天气状况最高 / 最低降水风UV
周日, 十月 25☁️ 阴天32° / 27°63%20 km/h7
周一, 十月 26☁️ 阴天32° / 26°75%20 km/h8
周二, 十月 27🌦️ 毛毛雨32° / 26°69% · 1 mm20 km/h7
周三, 十月 28⛈️ 雷暴30° / 26°47% · 5 mm18 km/h7
周四, 十月 29☀️ 晴朗31° / 25°47%22 km/h7
周五, 十月 30🌦️ Light drizzle29° / 25°63% · 2 mm24 km/h7
周六, 十月 31⛈️ 雷暴29° / 25°65% · 7 mm22 km/h6
周日, 十一月 1🌦️ Light drizzle30° / 26°80% · 2 mm16 km/h7
周一, 十一月 2🌦️ 毛毛雨30° / 25°80% · 5 mm19 km/h7
周二, 十一月 3🌦️ 毛毛雨30° / 24°87% · 6 mm12 km/h7
周三, 十一月 4🌦️ 毛毛雨28° / 24°82% · 7 mm6 km/h7
周四, 十一月 5🌦️ Light drizzle28° / 24°85% · 2 mm12 km/h7
周五, 十一月 6🌦️ Light drizzle29° / 24°87% · 2 mm11 km/h7
周六, 十一月 7🌦️ Light drizzle28° / 24°67% · 1 mm9 km/h7

The two-week trend

Temperature trend

Cooling. The second half of the window averages 2°C cooler than the days immediately ahead.

Against the normal

The window averages 30°C against a 十月 normal of 30°C - right on average.

雨fall

雨fall over the next 7 days is close至normal for 十月 (15 mm against a typical 29 mm).

What this means for San Juan

Compared,天气为normal

Today is slightly warmer than average for 十月. The forecast high of 32°C is 1.9°C above the 30°C typical for this month.

雨 chance explained

A 63% chance means rain is expected over most of the area. Plan indoor alternatives.

旅行 and driving

Wet roads are likely; braking distances roughly double in heavy rain.

Worth knowing

Northern Hemisphere, so peak summer falls in 六月至八月.

Worth knowing

The gap between the warmest and coldest month averages 3°C - an unusually even climate through the year.

What至pack, what至skip

Pack for the next 7 days
  • Lightweight, light-coloured clothing and a refillable water bottle
  • 周日glasses, a brimmed hat and SPF 30+
  • A packable rain shell - 7 of the next 7 days carry a real chance of rain
Worth avoiding
  • If your dates are flexible, avoid 八月, 十月 and 十一月 - historically the least comfortable months here.

查看 San Juan 的分时预报

San Juan weather - more answers

Explore San Juan

Every topic we hold for this place, and the same topic for the places around it.

天气 for related places

Frequently asked questions

Where is San Juan?

San Juan is a city in 波多黎各. Its coordinates are 18.4655, -66.1057. It lies in 北美洲.

What is the weather like in San Juan现在?

It is currently 28°C (82°F),天气为大部晴朗. 湿度 is 81% and wind is 16 km/h.

When is the best time至visit San Juan?

一月, 三月, 五月, 六月, 七月, 九月 and 十二月 offer the most comfortable conditions in San Juan, which has a temperate climate. 八月, 十月 and 十一月 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 11:06 PM.

How many people live in San Juan?

San Juan has a population of approximately 340.000.

What are the top things至do in San Juan?

Popular options include Virgin Islands National Park.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts.
预报 and observationsOpen-Meteo (ECMWF and national models).
空气质量 and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
气候 averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National 天气 Service.
MethodScores, 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 十月 25, 2026 at 11:06 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

More from Davil Hofile