San Juan

Current Weather

24°75°

Humid and Overcast

Feels Like: 24°74°

Min: 23°74°

Max: 28°82°

The next few hours will be humid and overcast, with tomorrow reaching 27°C and dropping to 23°C. The coming days will be light rain throughout the day and possible thunderstorms until night.

Hourly Forecast
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Air Quality
12
Good

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

GoodHazardous
Daylight Hours

06:11

Sunrise

18:01

Sunset

11 hours 49 minutes of sunlight today
Moon

06:48

Moonrise

18:48

Moonset

Daily Forecast

Sunday

23°74°
28°82°

Today

23°74°
27°81°

Tuesday

23°73°
27°81°

Wednesday

23°73°
30°87°

Thursday

23°73°
29°85°

Friday

22°72°
28°83°

Saturday

23°73°
31°88°

Sunday

23°73°
29°84°

Monday

23°74°
28°83°

Tuesday

24°75°
25°78°
UV Index
No protection needed
0Low
LowExtreme
Humidity
99%Very Humid
LowHigh
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Weather in San Juan tomorrow, October 12, 2026

Expect unsettled, showery conditions in San Juan on October 12, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Morning plans should assume damp conditions, as rain chances climb toward 92% around 11:00. Cloud cover is also at its densest near 00:00 at roughly 98%.Expect unsettled, showery conditions in San Juan on October 12, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Morning plans should assume damp conditions, as rain chances climb toward 92% around 11:00. Cloud cover is also at its densest near 00:00 at roughly 98%.

The temperature range runs from about 23°C up to 27°C. Moisture in the air spans 82%-100%, with the highest values around 03:00. Airflow remains manageable, reaching about 9 km/h around 13:00.The temperature range runs from about 74°F up to 81°F. Moisture in the air spans 82%-100%, with the highest values around 03:00. Airflow remains manageable, reaching about 5 mph around 13:00.

Through the afternoon wet weather remains a factor, with rain chances near 100% around 14:00. Cloud also stays substantial, close to 100% near 18:00. Expect visibility near 15.2 km, with poorer spells close to 9.1 km. Sunrise is at 06:11 and sunset at 18:01, giving 11 hours 49 minutes of sunlight today.Through the afternoon wet weather remains a factor, with rain chances near 100% around 14:00. Cloud also stays substantial, close to 100% near 18:00. Expect visibility near 9.5 mi, with poorer spells close to 5.6 mi. Sunrise is at 06:11 and sunset at 18:01, giving 11 hours 49 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 May, with average high temperatures of 30°C. The average temperature during this period is around 25°C.The warmest month in San Juan is May, with average high temperatures of 85°F. The average temperature during this period is around 78°F.

How cold does it get in San Juan?

The coldest month in San Juan is February, with average low temperatures of 22°C. The average temperature during this period is around 24°C.The coldest month in San Juan is February, with average low temperatures of 71°F. The average temperature during this period is around 76°F.

What is the wettest time of year in San Juan?

The wettest month in San Juan is June, with an average of 358 mm of precipitation.The wettest month in San Juan is June, with an average of 14.1 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 61 mm of precipitation.The driest month in San Juan is February, with an average of 2.4 in of precipitation.

View full climate insights for San Juan →