San Juan Weather Forecast
San Juan weather: 82°F, partly cloudy. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Live radar and satellite over San Juan
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Radar frames: RainViewer (global composite, ~10 minute refresh). Satellite: NASA GIBS MODIS true colour, previous day. Coverage and refresh vary by region.
Active alerts for San Juan
Rip Current Statement issued October 25 at 4:08PM AST until October 27 at 6:00PM AST by NWS San Juan PR
Issued by NWS San Juan PR
Weather in San Juan right now
Source: Open-Meteo. Updated 9:54 PM, Oct 25 local time.
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
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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 Puerto Rico. Its coordinates are 18.4655, -66.1057. It lies in North America.
What is the weather like in San Juan right now?
It is currently 82°F (28°C) with partly cloudy. Humidity is 81% and wind is 7 mph.
When is the best time to visit San Juan?
January, March, May, June, July, September and December offer the most comfortable conditions in San Juan, which has a temperate climate. August, October and November 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 9:54 PM.
How many people live in San Juan?
San Juan has a population of approximately 340.000.
What are the top things to 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. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather 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 October 25, 2026 at 9:54 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
