San Juan

Current Weather

28°82°

Mostly Cloudy

Feels Like: 32°89°

Min: 23°74°

Max: 29°85°

The next few hours will be mostly cloudy, with today reaching 29°C and dropping to 23°C. The coming days will be light rain throughout the day and possible thunderstorms from afternoon until night.

Hourly Forecast
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Air Quality
21
Good

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

GoodHazardous
Daylight Hours

05:37

Sunrise

17:23

Sunset

11 hours 45 minutes of sunlight today
Moon

07:07

Moonrise

18:09

Moonset

Daily Forecast

Today

23°74°
29°85°

Tuesday

23°73°
31°87°

Wednesday

23°73°
29°85°

Thursday

22°72°
29°84°

Friday

23°73°
30°87°

Saturday

23°73°
29°85°

Sunday

23°73°
29°85°

Monday

23°73°
28°83°

Tuesday

23°74°
29°84°

Wednesday

23°74°
29°83°
UV Index
Seek shade during midday
7High
LowExtreme
Humidity
71%Humid
LowHigh
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Weather in San Juan today, 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. Wetter spells lean into the morning, when rain odds reach about 30% near 10:00. Skies look heaviest around 09:00, with cover close to 81%.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. Wetter spells lean into the morning, when rain odds reach about 30% near 10:00. Skies look heaviest around 09:00, with cover close to 81%.

The day peaks near 29°C and cools toward 23°C. Expect humidity between 67% and 97%, most humid near 23:00. Airflow remains manageable, reaching about 22 km/h around 09:00.The day peaks near 85°F and cools toward 74°F. Expect humidity between 67% and 97%, most humid near 23:00. Airflow remains manageable, reaching about 13 mph around 09:00.

The second half of the day still looks unsettled, with rain probability around 78% by 13:00. Dense cloud near 82% at 23:00 keeps the feel grey. Visibility holds near 15.6 km, though it can fall to 9.3 km. The sun rises at 05:37 and sets at 17:23, for a total of 11 hours 45 minutes of sunlight today.The second half of the day still looks unsettled, with rain probability around 78% by 13:00. Dense cloud near 82% at 23:00 keeps the feel grey. Visibility holds near 9.7 mi, though it can fall to 5.8 mi. The sun rises at 05:37 and sets at 17:23, for a total of 11 hours 45 minutes of sunlight today.

Overall, San Juan on October 12, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 78% and the high sits around 29°C.Overall, San Juan on October 12, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 78% and the high sits around 85°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 29°C.The warmest month in San Juan is April, 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 23°C. The average temperature during this period is around 27°C.The coldest month in San Juan is January, with average low temperatures of 74°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 366 mm of precipitation.The wettest month in San Juan is October, with an average of 14.4 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.

View full climate insights for San Juan →