San Juan
24°75°
Drizzle and Humid
Feels Like: 25°77°
Min: 24°74°
Max: 30°85°
The next few hours will be humid and mostly cloudy, with tomorrow reaching 27°C and dropping to 23°C. The coming days will be drizzle throughout the day and possible thunderstorms 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 satisfactory, and air pollution poses little or no risk.
06:16
Sunrise
18:06
Sunset
06:52
Moonrise
18:54
Moonset
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
Rain features in San Juan on October 12, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. The morning carries the wetter risk, with rain chances near 86% and the highest odds around 11:00. Cloud is also thick early on, peaking near 100% around 00:00.Rain features in San Juan on October 12, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. The morning carries the wetter risk, with rain chances near 86% and the highest odds around 11:00. Cloud is also thick early on, peaking near 100% around 00:00.
The temperature range runs from about 23°C up to 27°C. The air stays humid, with relative humidity between 86% and 100% and the peak around 01:00. Winds stay light, near 10 km/h by 16:00, so the day feels still more than breezy.The temperature range runs from about 73°F up to 81°F. The air stays humid, with relative humidity between 86% and 100% and the peak around 01:00. Winds stay light, near 6 mph by 16:00, so the day feels still more than breezy.
Afternoon showers stay in play, peaking near 100% around 14:00. Skies remain cluttered, with cover about 100% by 19:00. Horizontal visibility sits around 11.9 km, briefly nearer 3.5 km. The sun rises at 06:16 and sets at 18:06, for a total of 11 hours 50 minutes of sunlight today.Afternoon showers stay in play, peaking near 100% around 14:00. Skies remain cluttered, with cover about 100% by 19:00. Horizontal visibility sits around 7.4 mi, briefly nearer 2.1 mi. The sun rises at 06:16 and sets at 18:06, for a total of 11 hours 50 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 27°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 81°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 28°C.The warmest month in San Juan is March, with average high temperatures of 93°F. The average temperature during this period is around 82°F.
How cold does it get in San Juan?
The coldest month in San Juan is January, with average low temperatures of 22°C. The average temperature during this period is around 26°C.The coldest month in San Juan is January, with average low temperatures of 72°F. The average temperature during this period is around 80°F.
What is the wettest time of year in San Juan?
The wettest month in San Juan is November, with an average of 497 mm of precipitation.The wettest month in San Juan is November, with an average of 19.6 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 16 mm of precipitation.The driest month in San Juan is February, with an average of 0.6 in of precipitation.


