San Juan

Current Weather

25°78°

Drizzle

Feels Like: 26°79°

Min: 25°77°

Max: 28°82°

The next few hours will be drizzle, with today reaching 28°C and dropping to 25°C. The coming days will be light rain throughout the day.

Hourly Forecast
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Air Quality
19
Good

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

GoodHazardous
Daylight Hours

06:16

Sunrise

18:06

Sunset

11 hours 50 minutes of sunlight today
Moon

07:41

Moonrise

Daily Forecast

Today

25°77°
28°82°

Tuesday

25°77°
28°83°

Wednesday

24°75°
28°83°

Thursday

25°77°
29°83°

Friday

25°77°
30°86°

Saturday

25°77°
28°82°

Sunday

25°77°
26°79°

Monday

25°77°
26°79°

Tuesday

25°78°
28°83°

Wednesday

25°77°
27°80°
UV Index
No protection needed
0Low
LowExtreme
Humidity
92%Very Humid
LowHigh
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Weather in San Juan today, October 12, 2026

Rain features in San Juan on October 12, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Morning plans should assume damp conditions, as rain chances climb toward 96% around 11:00. Cloud cover is also at its densest near 05:00 at roughly 96%.Rain features in San Juan on October 12, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Morning plans should assume damp conditions, as rain chances climb toward 96% around 11:00. Cloud cover is also at its densest near 05:00 at roughly 96%.

Temperatures climb from an overnight low near 25°C toward a daytime high of about 28°C. Relative humidity sits between 82% and 94%, reaching its peak around 16:00. Airflow remains manageable, reaching about 13 km/h around 19:00.Temperatures climb from an overnight low near 77°F toward a daytime high of about 82°F. Relative humidity sits between 82% and 94%, reaching its peak around 16:00. Airflow remains manageable, reaching about 8 mph around 19:00.

Through the afternoon wet weather remains a factor, with rain chances near 100% around 14:00. Cloud also stays substantial, close to 100% near 19:00. Horizontal visibility sits around 13.7 km, briefly nearer 5.1 km. Expect sunrise at 06:16, sunset at 18:06, and 11 hours 50 minutes of sunlight today overall.Through the afternoon wet weather remains a factor, with rain chances near 100% around 14:00. Cloud also stays substantial, close to 100% near 19:00. Horizontal visibility sits around 8.5 mi, briefly nearer 3.2 mi. Expect sunrise at 06:16, sunset at 18:06, and 11 hours 50 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 28°C.Taken together, San Juan looks wet enough on October 12, 2026 that flexible outdoor plans work best, with temperatures peaking near 82°F.

Frequently asked questions about weather in San Juan

How warm does it get in San Juan?

The warmest month in San Juan is March, with average high temperatures of 30°C. The average temperature during this period is around 27°C.The warmest month in San Juan is March, with average high temperatures of 86°F. The average temperature during this period is around 81°F.

How cold does it get in San Juan?

The coldest month in San Juan is November, with average low temperatures of 25°C. The average temperature during this period is around 26°C.The coldest month in San Juan is November, with average low temperatures of 76°F. The average temperature during this period is around 78°F.

What is the wettest time of year in San Juan?

The wettest month in San Juan is November, with an average of 595 mm of precipitation.The wettest month in San Juan is November, with an average of 23.4 in of precipitation.

What is the driest time of year in San Juan?

The driest month in San Juan is February, with an average of 31 mm of precipitation.The driest month in San Juan is February, with an average of 1.2 in of precipitation.

View full climate insights for San Juan →