San Juan

Current Weather

21°69°

Drizzle and Humid

Feels Like: 22°71°

Min: 19°66°

Max: 26°79°

The next few hours will be mostly cloudy, with today reaching 26°C and dropping to 19°C. The coming days will be light rain throughout the day and possible thunderstorms in the afternoon.

Hourly Forecast
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76%
92%
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Air Quality
17
Good

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

GoodHazardous
Daylight Hours

05:50

Sunrise

17:32

Sunset

11 hours 42 minutes of sunlight today
Moon

06:31

Moonrise

Daily Forecast

Today

19°66°
26°79°

Monday

19°67°
26°79°

Tuesday

19°67°
26°79°

Wednesday

18°65°
26°78°

Thursday

18°64°
26°80°

Friday

18°65°
26°79°

Saturday

19°67°
25°78°

Sunday

19°66°
25°77°

Monday

19°66°
27°80°

Tuesday

19°66°
27°80°
UV Index
No protection needed
1Low
LowExtreme
Humidity
98%Very Humid
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 temperature range runs from about 19°C up to 26°C. The air stays humid, with relative humidity between 98% and 99% and the peak around 18:00. A lighter breeze peaks around 18:00 near 3 km/h.The temperature range runs from about 66°F up to 79°F. The air stays humid, with relative humidity between 98% and 99% and the peak around 18:00. A lighter breeze peaks around 18:00 near 2 mph.

Through the afternoon wet weather remains a factor, with rain chances near 98% around 17:00. Cloud also stays substantial, close to 99% near 18:00. Expect visibility near 9.8 km, with poorer spells close to 4.4 km. The sun rises at 05:50 and sets at 17:32, for a total of 11 hours 42 minutes of sunlight today.Through the afternoon wet weather remains a factor, with rain chances near 98% around 17:00. Cloud also stays substantial, close to 99% near 18:00. Expect visibility near 6.1 mi, with poorer spells close to 2.7 mi. The sun rises at 05:50 and sets at 17:32, for a total of 11 hours 42 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 26°C.Taken together, San Juan looks wet enough on October 11, 2026 that flexible outdoor plans work best, with temperatures peaking near 79°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 31°C. The average temperature during this period is around 24°C.The warmest month in San Juan is May, with average high temperatures of 88°F. The average temperature during this period is around 76°F.

How cold does it get in San Juan?

The coldest month in San Juan is January, with average low temperatures of 15°C. The average temperature during this period is around 19°C.The coldest month in San Juan is January, with average low temperatures of 60°F. The average temperature during this period is around 66°F.

What is the wettest time of year in San Juan?

The wettest month in San Juan is June, with an average of 243 mm of precipitation.The wettest month in San Juan is June, with an average of 9.6 in of precipitation.

What is the driest time of year in San Juan?

The driest month in San Juan is March, with an average of 29 mm of precipitation.The driest month in San Juan is March, with an average of 1.2 in of precipitation.

View full climate insights for San Juan →