San Juan
30°85°
Mostly Cloudy
Feels Like: 30°86°
Min: 23°73°
Max: 30°87°
The next few hours will be mostly cloudy, with today reaching 30°C and dropping to 23°C. The coming days will be rain throughout the day.
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.
05:40
Sunrise
17:24
Sunset
07:11
Moonrise
18:09
Moonset
Today
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
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 12, 2026
San Juan starts October 12, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. The morning carries the wetter risk, with rain chances near 52% and the highest odds around 10:00. Cloud is also thick early on, peaking near 86% around 09:00.San Juan starts October 12, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. The morning carries the wetter risk, with rain chances near 52% and the highest odds around 10:00. Cloud is also thick early on, peaking near 86% around 09:00.
Expect highs of 30°C and cooler readings close to 23°C. The air stays humid, with relative humidity between 64% and 99% and the peak around 18:00. Winds stay light, near 8 km/h by 15:00, so the day feels still more than breezy.Expect highs of 87°F and cooler readings close to 73°F. The air stays humid, with relative humidity between 64% and 99% and the peak around 18:00. Winds stay light, near 5 mph by 15:00, so the day feels still more than breezy.
Expect the wet theme to continue later, as rain odds reach 100% near 16:00. Cloud amounts hold near 87% around 23:00. Visibility stays generally good near 16 km on average, though it can drop toward 15.3 km in thicker cloud or showers. Sunrise is at 05:40 and sunset at 17:24, giving 11 hours 44 minutes of sunlight today.Expect the wet theme to continue later, as rain odds reach 100% near 16:00. Cloud amounts hold near 87% around 23:00. Visibility stays generally good near 10 mi on average, though it can drop toward 9.5 mi in thicker cloud or showers. Sunrise is at 05:40 and sunset at 17:24, giving 11 hours 44 minutes of sunlight today.
In short, treat October 12, 2026 in San Juan as a damp day: pack covers, watch the wetter hours, and expect a high near 30°C.In short, treat October 12, 2026 in San Juan as a damp day: pack covers, watch the wetter hours, and expect a high near 87°F.
Frequently asked questions about weather in San Juan
How warm does it get in San Juan?
The warmest month in San Juan is April, with average high temperatures of 34°C. The average temperature during this period is around 28°C.The warmest month in San Juan is April, with average high temperatures of 94°F. The average temperature during this period is around 83°F.
How cold does it get in San Juan?
The coldest month in San Juan is January, with average low temperatures of 20°C. The average temperature during this period is around 25°C.The coldest month in San Juan is January, with average low temperatures of 69°F. The average temperature during this period is around 78°F.
What is the wettest time of year in San Juan?
The wettest month in San Juan is October, with an average of 354 mm of precipitation.The wettest month in San Juan is October, with an average of 13.9 in of precipitation.
What is the driest time of year in San Juan?
The driest month in San Juan is February, with an average of 1 mm of precipitation.The driest month in San Juan is February, with an average of 0 in of precipitation.