San Juan

Current Weather

31°88°

Mostly Clear

Feels Like: 38°101°

Min: 27°80°

Max: 31°88°

The next few hours will be clear, with today reaching 31°C and dropping to 26°C. The coming days will be drizzle

Hourly Forecast
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Air Quality
20
Good

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

GoodHazardous
Daylight Hours

07:04

Sunrise

18:39

Sunset

11 hours 34 minutes of sunlight today
Moon

07:47

Moonrise

19:16

Moonset

Daily Forecast

Today

27°80°
31°88°

Monday

26°78°
33°91°

Tuesday

25°77°
32°89°

Wednesday

24°76°
31°88°

Thursday

25°77°
31°89°

Friday

25°77°
31°88°

Saturday

25°77°
31°88°

Sunday

25°77°
32°89°

Monday

25°77°
30°86°

Tuesday

25°76°
32°89°
UV Index
Seek shade during midday
7High
LowExtreme
Humidity
66%Comfortable
LowHigh
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Weather in San Juan today, October 11, 2026

San Juan starts October 11, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans.San Juan starts October 11, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans.

The day peaks near 31°C and cools toward 27°C. Moisture in the air spans 66%-84%, with the highest values around 23:00. Breezes become lively, peaking around 14:00 near 26 km/h.The day peaks near 88°F and cools toward 80°F. Moisture in the air spans 66%-84%, with the highest values around 23:00. Breezes become lively, peaking around 14:00 near 16 mph.

Afternoon showers stay in play, peaking near 78% around 12:00. Skies remain cluttered, with cover about 31% by 14:00. Views remain open at about 16.1 km. Sunrise is at 07:04 and sunset at 18:39, giving 11 hours 34 minutes of sunlight today.Afternoon showers stay in play, peaking near 78% around 12:00. Skies remain cluttered, with cover about 31% by 14:00. Views remain open at about 10 mi. Sunrise is at 07:04 and sunset at 18:39, giving 11 hours 34 minutes of sunlight today.

Taken together, San Juan looks wet enough on October 11, 2026 that flexible outdoor plans work best, with temperatures peaking near 31°C.Taken together, San Juan looks wet enough on October 11, 2026 that flexible outdoor plans work best, with temperatures peaking near 88°F.

Frequently asked questions about weather in San Juan

How warm does it get in San Juan?

The warmest month in San Juan is August, with average high temperatures of 32°C. The average temperature during this period is around 28°C.The warmest month in San Juan is August, with average high temperatures of 90°F. The average temperature during this period is around 83°F.

How cold does it get in San Juan?

The coldest month in San Juan is January, with average low temperatures of 21°C. The average temperature during this period is around 24°C.The coldest month in San Juan is January, with average low temperatures of 70°F. The average temperature during this period is around 75°F.

What is the wettest time of year in San Juan?

The wettest month in San Juan is May, with an average of 181 mm of precipitation.The wettest month in San Juan is May, with an average of 7.1 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 21 mm of precipitation.The driest month in San Juan is February, with an average of 0.8 in of precipitation.

View full climate insights for San Juan →