San Juan

Current Weather

26°79°

Light Rain

Feels Like: 30°86°

Min: 20°68°

Max: 27°81°

The next few hours will be mostly cloudy, with today reaching 27°C and dropping to 19°C. The coming days will be drizzle

Hourly Forecast
27°80°26°79°26°78°24°76°23°74°22°71°22°71°22°71°21°70°21°70°21°69°21°69°20°68°20°67°19°67°19°67°19°67°19°66°21°70°23°73°24°76°26°78°27°80°28°82°
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Air Quality
15
Good

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

GoodHazardous
Daylight Hours

05:36

Sunrise

17:20

Sunset

11 hours 44 minutes of sunlight today
Moon

07:07

Moonrise

18:06

Moonset

Daily Forecast

Today

20°68°
27°81°

Tuesday

19°66°
28°82°

Wednesday

20°67°
27°81°

Thursday

19°67°
28°82°

Friday

20°69°
27°81°

Saturday

20°68°
26°79°

Sunday

20°68°
27°80°

Monday

20°68°
27°80°

Tuesday

20°68°
25°76°

Wednesday

20°68°
27°81°
UV Index
Seek shade during midday
7High
LowExtreme
Humidity
77%Humid
LowHigh
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Weather in San Juan today, October 12, 2026

San Juan starts October 12, 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 12, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans.

Temperatures climb from an overnight low near 20°C toward a daytime high of about 27°C. The air stays humid, with relative humidity between 76% and 98% and the peak around 18:00. A lighter breeze peaks around 13:00 near 14 km/h.Temperatures climb from an overnight low near 68°F toward a daytime high of about 81°F. The air stays humid, with relative humidity between 76% and 98% and the peak around 18:00. A lighter breeze peaks around 13:00 near 9 mph.

Through the afternoon wet weather remains a factor, with rain chances near 100% around 16:00. Cloud also stays substantial, close to 86% near 23:00. Visibility holds near 15.7 km, though it can fall to 13.5 km. Expect sunrise at 05:36, sunset at 17:20, and 11 hours 44 minutes of sunlight today overall.Through the afternoon wet weather remains a factor, with rain chances near 100% around 16:00. Cloud also stays substantial, close to 86% near 23:00. Visibility holds near 9.7 mi, though it can fall to 8.4 mi. Expect sunrise at 05:36, sunset at 17:20, and 11 hours 44 minutes of sunlight today overall.

Taken together, San Juan looks wet enough on October 12, 2026 that flexible outdoor plans work best, with temperatures peaking near 27°C.Taken together, San Juan looks wet enough on October 12, 2026 that flexible outdoor plans work best, with temperatures peaking near 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 April, with average high temperatures of 31°C. The average temperature during this period is around 26°C.The warmest month in San Juan is April, with average high temperatures of 88°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 19°C. The average temperature during this period is around 23°C.The coldest month in San Juan is February, with average low temperatures of 67°F. The average temperature during this period is around 74°F.

What is the wettest time of year in San Juan?

The wettest month in San Juan is October, with an average of 242 mm of precipitation.The wettest month in San Juan is October, with an average of 9.5 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 11 mm of precipitation.The driest month in San Juan is March, with an average of 0.4 in of precipitation.

View full climate insights for San Juan →