San Juan

Current Weather

24°75°

Humid and Overcast

Feels Like: 24°74°

Min: 23°74°

Max: 31°88°

The next few hours will be overcast, with tomorrow reaching 30°C and dropping to 22°C. The coming days will be light rain throughout the day and possible thunderstorms in the afternoon.

Hourly Forecast
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Air Quality
12
Good

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

GoodHazardous
Daylight Hours

05:29

Sunrise

17:17

Sunset

11 hours 48 minutes of sunlight today
Moon

06:07

Moonrise

Daily Forecast

Sunday

23°74°
31°88°

Today

23°74°
30°86°

Tuesday

22°72°
31°89°

Wednesday

22°72°
31°88°

Thursday

23°74°
31°88°

Friday

23°73°
31°87°

Saturday

24°75°
27°81°

Sunday

24°74°
31°88°

Monday

24°75°
27°81°

Tuesday

24°75°
28°82°
UV Index
No protection needed
0Low
LowExtreme
Humidity
98%Very Humid
LowHigh
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Weather in San Juan tomorrow, October 12, 2026

San Juan starts October 12, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. The morning carries the wetter risk, with rain chances near 74% and the highest odds around 07:00. Cloud is also thick early on, peaking near 99% around 00:00.San Juan starts October 12, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. The morning carries the wetter risk, with rain chances near 74% and the highest odds around 07:00. Cloud is also thick early on, peaking near 99% around 00:00.

Temperatures climb from an overnight low near 23°C toward a daytime high of about 30°C. Moisture in the air spans 72%-99%, with the highest values around 18:00. Winds stay light, near 9 km/h by 15:00, so the day feels still more than breezy.Temperatures climb from an overnight low near 74°F toward a daytime high of about 86°F. Moisture in the air spans 72%-99%, with the highest values around 18:00. Winds stay light, near 6 mph by 15:00, so the day feels still more than breezy.

Expect the wet theme to continue later, as rain odds reach 94% near 16:00. Cloud amounts hold near 97% around 18:00. Visibility holds near 13.4 km, though it can fall to 4.2 km. Daylight runs from 05:29 to 17:17, lasting 11 hours 47 minutes of sunlight today.Expect the wet theme to continue later, as rain odds reach 94% near 16:00. Cloud amounts hold near 97% around 18:00. Visibility holds near 8.3 mi, though it can fall to 2.6 mi. Daylight runs from 05:29 to 17:17, lasting 11 hours 47 minutes of sunlight today.

Taken together, San Juan looks wet enough on October 12, 2026 that flexible outdoor plans work best, with temperatures peaking near 30°C.Taken together, San Juan looks wet enough on October 12, 2026 that flexible outdoor plans work best, with temperatures peaking near 86°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 29°C. The average temperature during this period is around 24°C.The warmest month in San Juan is May, with average high temperatures of 83°F. The average temperature during this period is around 76°F.

How cold does it get in San Juan?

The coldest month in San Juan is February, with average low temperatures of 19°C. The average temperature during this period is around 22°C.The coldest month in San Juan is February, 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 387 mm of precipitation.The wettest month in San Juan is November, with an average of 15.3 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 36 mm of precipitation.The driest month in San Juan is March, with an average of 1.4 in of precipitation.

View full climate insights for San Juan →