San Juan

Current Weather

26°79°

Mostly Clear

Feels Like: 26°79°

Min: 26°79°

Max: 27°80°

The next few hours will be mostly clear, with today reaching 27°C and dropping to 26°C. The coming days will be drizzle

Hourly Forecast
26°79°26°79°26°79°26°80°27°80°26°79°26°79°26°79°26°79°26°79°26°79°26°79°26°79°26°79°26°79°26°79°26°79°26°79°26°79°26°79°26°79°26°78°26°78°26°79°
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
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
34
Good

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

GoodHazardous
Daylight Hours

07:31

Sunrise

19:03

Sunset

11 hours 32 minutes of sunlight today
Moon

08:16

Moonrise

19:40

Moonset

Daily Forecast

Today

26°79°
27°80°

Monday

26°78°
27°80°

Tuesday

26°78°
26°79°

Wednesday

25°77°
26°79°

Thursday

25°77°
25°78°

Friday

25°78°
26°79°

Saturday

26°78°
26°79°

Sunday

26°79°
27°80°

Monday

24°75°
30°86°

Tuesday

23°74°
30°87°
UV Index
Seek shade during midday
6High
LowExtreme
Humidity
84%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 keeps a mostly sunny profile on October 11, 2026, aside from a cloudier spell around 17:00. Outside that window, bright conditions should still lead the day.San Juan keeps a mostly sunny profile on October 11, 2026, aside from a cloudier spell around 17:00. Outside that window, bright conditions should still lead the day.

The temperature range runs from about 26°C up to 27°C. Expect humidity between 83% and 84%, most humid near 12:00. A lighter breeze peaks around 12:00 near 12 km/h.The temperature range runs from about 79°F up to 80°F. Expect humidity between 83% and 84%, most humid near 12:00. A lighter breeze peaks around 12:00 near 7 mph.

Through the afternoon skies look more workable, with cloud near 37% around 17:00. Later outdoor plans have a clearer window than the morning may have suggested. Expect visibility around 16.1 km. The sun rises at 07:31 and sets at 19:03, for a total of 11 hours 32 minutes of sunlight today.Through the afternoon skies look more workable, with cloud near 37% around 17:00. Later outdoor plans have a clearer window than the morning may have suggested. Expect visibility around 10 mi. The sun rises at 07:31 and sets at 19:03, for a total of 11 hours 32 minutes of sunlight today.

In short, October 11, 2026 looks like a fine day in San Juan for being outside, peaking around 27°C.In short, October 11, 2026 looks like a fine day in San Juan for being outside, peaking around 80°F.

Frequently asked questions about weather in San Juan

How warm does it get in San Juan?

The warmest month in San Juan is July, with average high temperatures of 32°C. The average temperature during this period is around 28°C.The warmest month in San Juan is July, with average high temperatures of 89°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 18°C. The average temperature during this period is around 22°C.The coldest month in San Juan is January, with average low temperatures of 65°F. The average temperature during this period is around 71°F.

What is the wettest time of year in San Juan?

The wettest month in San Juan is June, with an average of 188 mm of precipitation.The wettest month in San Juan is June, with an average of 7.4 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 21 mm of precipitation.The driest month in San Juan is March, with an average of 0.8 in of precipitation.

View full climate insights for San Juan →