Weather Era

San JuanPuerto Rico

25°

Overcast·H:30° L:24°·Feels like 31°

Wind

6 km/h

Humidity

98%

UV index

8

Rain chance

71%

Air quality

17

Good

PM2.5 5.7

US AQI index

Sun

Sunrise6AMNightSunset5PM
Hourly forecast · 24 hours
Now4%25°
3AM3%25°
4AM1%25°
5AM0%25°
6AMSunrise6:20AM
7AM0%25°
8AM0%26°
9AM0%28°
10AM0%30°
11AM0%30°
12PM12%30°
1PM28%29°
2PM43%29°
3PM56%29°
4PM68%29°
5PMSunset5:57PM
6PM58%29°
7PM36%28°
8PM18%27°
9PM11%27°
10PM8%26°
11PM6%26°
12AM5%26°
1AM4%26°

7-day forecast

  • Today71%24°30°
  • Thu46%25°31°
  • Fri45%25°31°
  • Sat44%25°31°
  • Sun35%26°32°
  • Mon37%26°31°
  • Tue33%26°32°

AI daily briefing

Beta

Overcast at 25° right now, feels like 31°. Best window for hiking today — SkyScore 100. Keep an umbrella handy — 71% rain chance today. UV peaks around 8 at midday — sunscreen helps.

SkyScore

78
RunningGood
100
HikingGreat
100
CyclingGreat
100
FishingGreat
98
CampingGreat
100
GardeningGreat
Wind
NESW

6km/h

From S(175°)

Gusts 12 km/h

Moon

Waxing Gibbous

76% illuminated

Day 9.9 of the cycle

Visibility

0.2km

Poor — fog likely

Pressure

1012hPa

Normal range

Precipitation

1.8mm

Expected today · 71% chance

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Key facts — San Juan, Puerto Rico weather

Location
San Juan, Puerto Rico
Coordinates
18.47, -66.11
Current conditions
Overcast, 25°C (feels like 31°C)
Today
High 30°C · Low 24°C · 71% rain chance
Data source
Open-Meteo.com — CC BY 4.0
Update frequency
Every 30 minutes

Frequently asked questions about San Juan weather

What is the weather in San Juan, Puerto Rico right now?

Overcast and about 25°C, feeling like 31°C. Wind is around 6 km/h with 98% humidity.

What is the temperature in San Juan, Puerto Rico today?

Today's high is 30°C and the overnight low is 24°C.

Will it rain in San Juan, Puerto Rico today?

Precipitation is likely — there is a 71% chance of rain today.

Where does this San Juan forecast come from?

Forecasts and air-quality data come from Open-Meteo (CC BY 4.0), are refreshed every 30 minutes, and are presented with Weather Era's SkyScore activity ratings.

Weather & air-quality data by Open-Meteo.com (CC BY 4.0) · Updated every 30 minutes