San Juan

Current Weather

28°82°

Light Rain

Feels Like: 31°88°

Min: 23°74°

Max: 29°84°

The next few hours will be humid and overcast, with today reaching 29°C and dropping to 23°C. The coming days will be drizzle

Hourly Forecast
27°81°28°82°28°83°29°84°28°83°28°82°27°81°26°80°26°78°25°77°25°76°24°76°24°75°24°75°24°75°24°75°23°74°23°74°23°73°23°73°23°73°23°74°24°76°26°79°
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Air Quality
14
Good

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

GoodHazardous
Daylight Hours

05:32

Sunrise

17:17

Sunset

11 hours 44 minutes of sunlight today
Moon

07:04

Moonrise

18:02

Moonset

Daily Forecast

Today

23°74°
29°84°

Tuesday

23°73°
31°87°

Wednesday

23°73°
30°87°

Thursday

23°74°
30°87°

Friday

23°73°
30°86°

Saturday

23°74°
29°84°

Sunday

23°74°
29°85°

Monday

23°73°
27°81°

Tuesday

23°73°
29°84°

Wednesday

23°73°
30°86°
UV Index
Seek shade during midday
6High
LowExtreme
Humidity
80%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. Early hours look the most unsettled, with rain probability near 60% by 10:00. The thickest cloud arrives around 09:00, reaching about 83%.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. Early hours look the most unsettled, with rain probability near 60% by 10:00. The thickest cloud arrives around 09:00, reaching about 83%.

The day peaks near 29°C and cools toward 23°C. The air stays humid, with relative humidity between 74% and 99% and the peak around 21:00. Expect gentle winds, highest near 09:00 at 12 km/h.The day peaks near 84°F and cools toward 74°F. The air stays humid, with relative humidity between 74% and 99% and the peak around 21:00. Expect gentle winds, highest near 09:00 at 7 mph.

Afternoon showers stay in play, peaking near 100% around 13:00. Skies remain cluttered, with cover about 88% by 18:00. Expect visibility near 13.4 km, with poorer spells close to 7.7 km. The sun rises at 05:32 and sets at 17:17, for a total of 11 hours 44 minutes of sunlight today.Afternoon showers stay in play, peaking near 100% around 13:00. Skies remain cluttered, with cover about 88% by 18:00. Expect visibility near 8.3 mi, with poorer spells close to 4.8 mi. The sun rises at 05:32 and sets at 17:17, for a total of 11 hours 44 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 29°C.Taken together, San Juan looks wet enough on October 12, 2026 that flexible outdoor plans work best, with temperatures peaking near 84°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 32°C. The average temperature during this period is around 27°C.The warmest month in San Juan is May, with average high temperatures of 90°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 January, with average low temperatures of 21°C. The average temperature during this period is around 24°C.The coldest month in San Juan is January, with average low temperatures of 70°F. The average temperature during this period is around 76°F.

What is the wettest time of year in San Juan?

The wettest month in San Juan is June, with an average of 311 mm of precipitation.The wettest month in San Juan is June, with an average of 12.2 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 50 mm of precipitation.The driest month in San Juan is March, with an average of 2 in of precipitation.

View full climate insights for San Juan →