San Juan
26°78°
Humid and Overcast
Feels Like: 25°76°
Min: 24°75°
Max: 30°86°
The next few hours will be humid and mostly cloudy, with tomorrow reaching 33°C and dropping to 24°C. The coming days will be light rain starting in the afternoon and possible thunderstorms from afternoon until night.
Want a closer look at the weather?
Premium adds minute-by-minute rain timing, yesterday comparisons, and more detail across Airpult.
Air quality is acceptable. However, there may be a risk for some people.
05:44
Sunrise
17:28
Sunset
06:24
Moonrise
Sunday
Today
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 tomorrow, October 12, 2026
San Juan looks damp on October 12, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Expect a grey start, with morning cloud around 95% by 00:00. Outdoor plans early on should not rely on bright skies.San Juan looks damp on October 12, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Expect a grey start, with morning cloud around 95% by 00:00. Outdoor plans early on should not rely on bright skies.
The temperature range runs from about 24°C up to 33°C. Relative humidity sits between 56% and 99%, reaching its peak around 00:00. Expect gentle winds, highest near 18:00 at 11 km/h.The temperature range runs from about 75°F up to 91°F. Relative humidity sits between 56% and 99%, reaching its peak around 00:00. Expect gentle winds, highest near 18:00 at 7 mph.
The second half of the day still looks unsettled, with rain probability around 76% by 19:00. Dense cloud near 85% at 19:00 keeps the feel grey. Visibility stays near 16.1 km. The sun rises at 05:44 and sets at 17:28, for a total of 11 hours 43 minutes of sunlight today.The second half of the day still looks unsettled, with rain probability around 76% by 19:00. Dense cloud near 85% at 19:00 keeps the feel grey. Visibility stays near 10 mi. The sun rises at 05:44 and sets at 17:28, for a total of 11 hours 43 minutes of sunlight today.
The practical takeaway for San Juan on October 12, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 33°C.The practical takeaway for San Juan on October 12, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 91°F.
Frequently asked questions about weather in San Juan
How warm does it get in San Juan?
The warmest month in San Juan is March, with average high temperatures of 34°C. The average temperature during this period is around 30°C.The warmest month in San Juan is March, with average high temperatures of 93°F. The average temperature during this period is around 85°F.
How cold does it get in San Juan?
The coldest month in San Juan is January, with average low temperatures of 24°C. The average temperature during this period is around 28°C.The coldest month in San Juan is January, with average low temperatures of 76°F. The average temperature during this period is around 83°F.
What is the wettest time of year in San Juan?
The wettest month in San Juan is October, with an average of 328 mm of precipitation.The wettest month in San Juan is October, with an average of 12.9 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.