San Juan

Current Weather

25°77°

Humid and Overcast

Feels Like: 25°77°

Min: 24°75°

Max: 32°89°

The next few hours will be mostly cloudy, with tomorrow reaching 26°C and dropping to 24°C. The coming days will be light rain

Hourly Forecast
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98%
98%
98%
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100%
96%
96%
96%
50%
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Air Quality
18
Good

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

GoodHazardous
Daylight Hours

05:25

Sunrise

17:14

Sunset

11 hours 49 minutes of sunlight today
Moon

06:01

Moonrise

Daily Forecast

Sunday

24°75°
32°89°

Today

24°75°
26°79°

Tuesday

24°74°
32°89°

Wednesday

23°74°
30°86°

Thursday

23°74°
28°83°

Friday

23°74°
28°83°

Saturday

23°74°
28°82°

Sunday

24°75°
32°89°

Monday

24°74°
30°87°

Tuesday

23°74°
28°82°
UV Index
No protection needed
0Low
LowExtreme
Humidity
99%Very Humid
LowHigh
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Weather in San Juan tomorrow, October 12, 2026

San Juan looks damp on October 12, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. The morning carries the wetter risk, with rain chances near 98% and the highest odds around 10:00. Cloud is also thick early on, peaking near 99% around 00:00.San Juan looks damp on October 12, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. The morning carries the wetter risk, with rain chances near 98% and the highest odds around 10:00. Cloud is also thick early on, peaking near 99% around 00:00.

The temperature range runs from about 24°C up to 26°C. Relative humidity sits between 97% and 100%, reaching its peak around 06:00. Winds stay light, near 5 km/h by 15:00, so the day feels still more than breezy.The temperature range runs from about 75°F up to 79°F. Relative humidity sits between 97% and 100%, reaching its peak around 06:00. Winds stay light, near 3 mph by 15:00, so the day feels still more than breezy.

Through the afternoon wet weather remains a factor, with rain chances near 100% around 13:00. Cloud also stays substantial, close to 100% near 18:00. Visibility holds near 14.9 km, though it can fall to 7.2 km. Daylight runs from 05:25 to 17:14, lasting 11 hours 49 minutes of sunlight today.Through the afternoon wet weather remains a factor, with rain chances near 100% around 13:00. Cloud also stays substantial, close to 100% near 18:00. Visibility holds near 9.3 mi, though it can fall to 4.5 mi. Daylight runs from 05:25 to 17:14, lasting 11 hours 49 minutes of sunlight today.

The practical takeaway for San Juan on October 12, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 26°C.The practical takeaway for San Juan on October 12, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 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 March, with average high temperatures of 29°C. The average temperature during this period is around 27°C.The warmest month in 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 San Juan?

The coldest month in 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 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 San Juan?

The wettest month in San Juan is October, with an average of 862 mm of precipitation.The wettest month in San Juan is October, with an average of 33.9 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 42 mm of precipitation.The driest month in San Juan is February, with an average of 1.6 in of precipitation.

View full climate insights for San Juan →