San Juan

Current Weather

30°85°

Mostly Cloudy

Feels Like: 32°90°

Min: 24°75°

Max: 31°89°

The next few hours will be overcast, with today reaching 31°C and dropping to 24°C. The coming days will be light rain throughout the day and possible thunderstorms until night.

Hourly Forecast
29°84°30°85°31°87°31°89°30°86°29°84°27°81°27°80°26°80°26°79°26°79°26°78°26°78°25°77°25°77°25°76°25°76°24°76°24°76°24°75°24°75°24°75°25°77°27°80°
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48%
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46%
14%
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14%
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Air Quality
20
Good

Air quality is satisfactory, and air pollution poses little or no risk.

GoodHazardous
Daylight Hours

05:38

Sunrise

17:22

Sunset

11 hours 44 minutes of sunlight today
Moon

07:09

Moonrise

18:08

Moonset

Daily Forecast

Today

24°75°
31°89°

Tuesday

24°75°
29°84°

Wednesday

24°75°
28°83°

Thursday

24°75°
29°85°

Friday

24°75°
29°84°

Saturday

24°75°
31°88°

Sunday

24°76°
31°88°

Monday

24°75°
32°89°

Tuesday

24°75°
31°87°

Wednesday

24°75°
29°85°
UV Index
Seek shade during midday
6High
LowExtreme
Humidity
70%Comfortable
LowHigh
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Weather in San Juan today, 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. Early hours look the most unsettled, with rain probability near 36% by 10:00. The thickest cloud arrives around 09:00, reaching about 85%.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. Early hours look the most unsettled, with rain probability near 36% by 10:00. The thickest cloud arrives around 09:00, reaching about 85%.

Temperatures climb from an overnight low near 24°C toward a daytime high of about 31°C. Relative humidity sits between 62% and 96%, reaching its peak around 18:00. Expect gentle winds, highest near 12:00 at 7 km/h.Temperatures climb from an overnight low near 75°F toward a daytime high of about 89°F. Relative humidity sits between 62% and 96%, reaching its peak around 18:00. Expect gentle winds, highest near 12:00 at 4 mph.

Afternoon showers stay in play, peaking near 92% around 13:00. Skies remain cluttered, with cover about 85% by 23:00. Visibility holds near 15.5 km, though it can fall to 7 km. Daylight runs from 05:38 to 17:22, lasting 11 hours 44 minutes of sunlight today.Afternoon showers stay in play, peaking near 92% around 13:00. Skies remain cluttered, with cover about 85% by 23:00. Visibility holds near 9.6 mi, though it can fall to 4.3 mi. Daylight runs from 05:38 to 17:22, lasting 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 31°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 89°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 35°C. The average temperature during this period is around 30°C.The warmest month in San Juan is April, with average high temperatures of 94°F. The average temperature during this period is around 86°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 27°C.The coldest month in San Juan is January, with average low temperatures of 75°F. The average temperature during this period is around 81°F.

What is the wettest time of year in San Juan?

The wettest month in San Juan is October, with an average of 281 mm of precipitation.The wettest month in San Juan is October, with an average of 11.1 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 0 mm of precipitation.The driest month in San Juan is February, with an average of 0 in of precipitation.

View full climate insights for San Juan →