San Juan

Current Weather

26°78°

Drizzle

Feels Like: 28°82°

Min: 19°66°

Max: 26°79°

The next few hours will be mostly cloudy, with today reaching 26°C and dropping to 18°C. The coming days will be light rain throughout the day and possible thunderstorms in the afternoon.

Hourly Forecast
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66%
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Air Quality
18
Good

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

GoodHazardous
Daylight Hours

05:38

Sunrise

17:22

Sunset

11 hours 43 minutes of sunlight today
Moon

07:10

Moonrise

18:07

Moonset

Daily Forecast

Today

19°66°
26°79°

Tuesday

18°65°
26°79°

Wednesday

18°65°
26°79°

Thursday

18°65°
26°79°

Friday

19°67°
26°79°

Saturday

19°66°
24°76°

Sunday

19°66°
26°78°

Monday

19°66°
26°78°

Tuesday

19°66°
25°77°

Wednesday

19°66°
26°79°
UV Index
Minimize sun exposure
8Very High
LowExtreme
Humidity
71%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.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.

The day peaks near 26°C and cools toward 19°C. Relative humidity sits between 71% and 99%, reaching its peak around 20:00. A lighter breeze peaks around 12:00 near 14 km/h.The day peaks near 79°F and cools toward 66°F. Relative humidity sits between 71% and 99%, reaching its peak around 20:00. A lighter breeze peaks around 12:00 near 9 mph.

Expect the wet theme to continue later, as rain odds reach 100% near 12:00. Cloud amounts hold near 91% around 23:00. Visibility holds near 15.5 km, though it can fall to 9.2 km. The sun rises at 05:38 and sets at 17:22, for a total of 11 hours 43 minutes of sunlight today.Expect the wet theme to continue later, as rain odds reach 100% near 12:00. Cloud amounts hold near 91% around 23:00. Visibility holds near 9.6 mi, though it can fall to 5.7 mi. The sun rises at 05:38 and sets at 17:22, for a total of 11 hours 43 minutes of sunlight today.

Overall, San Juan on October 12, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 100% and the high sits around 26°C.Overall, San Juan on October 12, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 100% and the high sits around 79°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 25°C.The warmest month in San Juan is April, with average high temperatures of 88°F. The average temperature during this period is around 77°F.

How cold does it get in San Juan?

The coldest month in San Juan is January, with average low temperatures of 17°C. The average temperature during this period is around 22°C.The coldest month in San Juan is January, with average low temperatures of 63°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 October, with an average of 206 mm of precipitation.The wettest month in San Juan is October, with an average of 8.1 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 14 mm of precipitation.The driest month in San Juan is March, with an average of 0.5 in of precipitation.

View full climate insights for San Juan →