Alto San Juan

Current Weather

25°77°

Light Rain

Feels Like: 33°91°

Min: 23°73°

Max: 27°81°

The next few hours will be mostly cloudy, with today reaching 27°C and dropping to 22°C. The coming days will be light rain throughout the day and possible thunderstorms until night.

Hourly Forecast
26°78°25°76°24°76°24°75°24°75°24°75°24°74°24°74°23°74°23°73°23°73°23°73°23°73°22°72°23°73°23°73°23°73°24°76°25°78°27°80°26°79°26°78°25°77°25°77°
98%
98%
98%
98%
98%
54%
54%
54%
40%
40%
40%
36%
36%
36%
38%
38%
38%
56%
56%
56%
100%
100%
100%
100%
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
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
19
Good

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

GoodHazardous
Daylight Hours

05:24

Sunrise

17:14

Sunset

11 hours 49 minutes of sunlight today
Moon

06:01

Moonrise

Daily Forecast

Today

23°73°
27°81°

Monday

22°72°
27°80°

Tuesday

23°73°
30°85°

Wednesday

22°72°
28°82°

Thursday

22°72°
31°87°

Friday

22°72°
27°81°

Saturday

22°72°
29°84°

Sunday

23°73°
30°87°

Monday

23°73°
26°79°

Tuesday

22°72°
27°80°
UV Index
Seek shade during midday
6High
LowExtreme
Humidity
94%Very 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 Alto San Juan.

View stargazing score

Weather in Alto San Juan today, October 11, 2026

Expect unsettled, showery conditions in Alto San Juan on October 11, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans.Expect unsettled, showery conditions in Alto San Juan on October 11, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans.

The temperature range runs from about 23°C up to 27°C. The air stays humid, with relative humidity between 93% and 100% and the peak around 18:00. Expect gentle winds, highest near 18:00 at 2 km/h.The temperature range runs from about 73°F up to 81°F. The air stays humid, with relative humidity between 93% and 100% and the peak around 18:00. Expect gentle winds, highest near 18:00 at 1 mph.

Through the afternoon wet weather remains a factor, with rain chances near 98% around 14:00. Cloud also stays substantial, close to 98% near 21:00. Visibility stays generally good near 11.6 km on average, though it can drop toward 3.1 km in thicker cloud or showers. Expect sunrise at 05:24, sunset at 17:14, and 11 hours 49 minutes of sunlight today overall.Through the afternoon wet weather remains a factor, with rain chances near 98% around 14:00. Cloud also stays substantial, close to 98% near 21:00. Visibility stays generally good near 7.2 mi on average, though it can drop toward 1.9 mi in thicker cloud or showers. Expect sunrise at 05:24, sunset at 17:14, and 11 hours 49 minutes of sunlight today overall.

Overall, Alto San Juan on October 11, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 98% and the high sits around 27°C.Overall, Alto San Juan on October 11, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 98% and the high sits around 81°F.

Frequently asked questions about weather in Alto San Juan

How warm does it get in Alto San Juan?

The warmest month in Alto San Juan is March, with average high temperatures of 29°C. The average temperature during this period is around 27°C.The warmest month in Alto San Juan is March, with average high temperatures of 85°F. The average temperature during this period is around 80°F.

How cold does it get in Alto San Juan?

The coldest month in Alto San Juan is December, with average low temperatures of 23°C. The average temperature during this period is around 25°C.The coldest month in Alto San Juan is December, with average low temperatures of 74°F. The average temperature during this period is around 77°F.

What is the wettest time of year in Alto San Juan?

The wettest month in Alto San Juan is October, with an average of 862 mm of precipitation.The wettest month in Alto San Juan is October, with an average of 33.9 in of precipitation.

What is the driest time of year in Alto San Juan?

The driest month in Alto San Juan is February, with an average of 42 mm of precipitation.The driest month in Alto San Juan is February, with an average of 1.6 in of precipitation.

View full climate insights for Alto San Juan →