San Juan
21°69°
Drizzle and Humid
Feels Like: 22°71°
Min: 19°66°
Max: 26°79°
The next few hours will be mostly cloudy, with today reaching 26°C and dropping to 19°C. The coming days will be light rain throughout the day and possible thunderstorms in the afternoon.
Want a closer look at the weather?
Premium adds minute-by-minute rain timing, yesterday comparisons, and more detail across Airpult.
Air quality is satisfactory, and air pollution poses little or no risk.
05:50
Sunrise
17:32
Sunset
06:31
Moonrise
Today
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
See moon phases, eclipses, and seasons for this year.
View astronomySee sky darkness, moon phase, and the best viewing window for San Juan.
View stargazing scoreWeather in San Juan today, October 11, 2026
San Juan starts October 11, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans.San Juan starts October 11, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans.
The temperature range runs from about 19°C up to 26°C. The air stays humid, with relative humidity between 98% and 99% and the peak around 18:00. A lighter breeze peaks around 18:00 near 3 km/h.The temperature range runs from about 66°F up to 79°F. The air stays humid, with relative humidity between 98% and 99% and the peak around 18:00. A lighter breeze peaks around 18:00 near 2 mph.
Through the afternoon wet weather remains a factor, with rain chances near 98% around 17:00. Cloud also stays substantial, close to 99% near 18:00. Expect visibility near 9.8 km, with poorer spells close to 4.4 km. The sun rises at 05:50 and sets at 17:32, for a total of 11 hours 42 minutes of sunlight today.Through the afternoon wet weather remains a factor, with rain chances near 98% around 17:00. Cloud also stays substantial, close to 99% near 18:00. Expect visibility near 6.1 mi, with poorer spells close to 2.7 mi. The sun rises at 05:50 and sets at 17:32, for a total of 11 hours 42 minutes of sunlight today.
Taken together, San Juan looks wet enough on October 11, 2026 that flexible outdoor plans work best, with temperatures peaking near 26°C.Taken together, San Juan looks wet enough on October 11, 2026 that flexible outdoor plans work best, with temperatures peaking near 79°F.
Frequently asked questions about weather in San Juan
How warm does it get in San Juan?
The warmest month in San Juan is May, with average high temperatures of 31°C. The average temperature during this period is around 24°C.The warmest month in San Juan is May, with average high temperatures of 88°F. The average temperature during this period is around 76°F.
How cold does it get in San Juan?
The coldest month in San Juan is January, with average low temperatures of 15°C. The average temperature during this period is around 19°C.The coldest month in San Juan is January, with average low temperatures of 60°F. The average temperature during this period is around 66°F.
What is the wettest time of year in San Juan?
The wettest month in San Juan is June, with an average of 243 mm of precipitation.The wettest month in San Juan is June, with an average of 9.6 in of precipitation.
What is the driest time of year in San Juan?
The driest month in San Juan is March, with an average of 29 mm of precipitation.The driest month in San Juan is March, with an average of 1.2 in of precipitation.


