San Juan

Current Weather

27°81°

Light Rain

Feels Like: 33°91°

Min: 25°77°

Max: 33°91°

The next few hours will be partly cloudy, with today reaching 33°C and dropping to 25°C. The coming days will be drizzle

Hourly Forecast
27°81°27°80°27°80°26°79°26°79°26°78°25°78°25°77°25°77°25°77°25°77°25°77°25°77°25°77°25°76°25°76°26°78°27°81°28°83°29°85°30°87°31°88°31°87°30°86°
90%
94%
94%
94%
50%
50%
50%
18%
18%
18%
34%
34%
34%
96%
96%
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
Today
Tomorrow

Want a closer look at the weather?

Premium adds minute-by-minute rain timing, yesterday comparisons, and more detail across Airpult.

Get Premium
Air Quality
25
Good

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

GoodHazardous
Daylight Hours

05:46

Sunrise

17:28

Sunset

11 hours 41 minutes of sunlight today
Moon

06:28

Moonrise

Daily Forecast

Today

25°77°
33°91°

Monday

25°76°
31°88°

Tuesday

24°76°
31°87°

Wednesday

25°76°
31°87°

Thursday

24°76°
31°88°

Friday

24°75°
29°84°

Saturday

24°76°
30°86°

Sunday

25°76°
30°87°

Monday

24°76°
32°89°

Tuesday

24°75°
31°88°
UV Index
Wear sunscreen
4Moderate
LowExtreme
Humidity
90%Humid
LowHigh
Looking at the night sky?

See moon phases, eclipses, and seasons for this year.

View astronomy
Current stargazing conditions?

See sky darkness, moon phase, and the best viewing window for San Juan.

View stargazing score

Weather in San Juan today, October 11, 2026

San Juan looks damp on October 11, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly.San Juan looks damp on October 11, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly.

Temperatures climb from an overnight low near 25°C toward a daytime high of about 33°C. Expect humidity between 90% and 97%, most humid near 18:00. A lighter breeze peaks around 15:00 near 3 km/h.Temperatures climb from an overnight low near 77°F toward a daytime high of about 91°F. Expect humidity between 90% and 97%, most humid near 18:00. A lighter breeze peaks around 15:00 near 2 mph.

Through the afternoon wet weather remains a factor, with rain chances near 94% around 16:00. Cloud also stays substantial, close to 99% near 18:00. Horizontal visibility sits around 14.7 km, briefly nearer 3.8 km. The sun rises at 05:46 and sets at 17:28, for a total of 11 hours 41 minutes of sunlight today.Through the afternoon wet weather remains a factor, with rain chances near 94% around 16:00. Cloud also stays substantial, close to 99% near 18:00. Horizontal visibility sits around 9.2 mi, briefly nearer 2.4 mi. The sun rises at 05:46 and sets at 17:28, for a total of 11 hours 41 minutes of sunlight today.

The practical takeaway for San Juan on October 11, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 33°C.The practical takeaway for San Juan on October 11, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 91°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 33°C. The average temperature during this period is around 28°C.The warmest month in San Juan is May, with average high temperatures of 92°F. The average temperature during this period is around 82°F.

How cold does it get in San Juan?

The coldest month in San Juan is January, with average low temperatures of 19°C. The average temperature during this period is around 22°C.The coldest month in San Juan is January, with average low temperatures of 67°F. The average temperature during this period is around 72°F.

What is the wettest time of year in San Juan?

The wettest month in San Juan is November, with an average of 325 mm of precipitation.The wettest month in San Juan is November, with an average of 12.8 in of precipitation.

What is the driest time of year in San Juan?

The driest month in San Juan is April, with an average of 59 mm of precipitation.The driest month in San Juan is April, with an average of 2.3 in of precipitation.

View full climate insights for San Juan →