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Weather in San Juan, Puerto Rico 🇵🇷

Weather Forecast in San Juan

Current Weather in San Juan

Patchy rain nearby
27°C
Feels like 29°C. Patchy rain nearby.
🌬️ 19 km/h E
💧 78% Humidity
🧭 1017 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 23°C
🌅 Sunrise: 06:00 AM
🌇 Sunset: 07:01 PM
Map Overlays:

As of now, San Juan is 27°C and patchy rain nearby, feeling like 29°C. Relative humidity is 78%, with winds around 19 km/h, and the UV index is 0 (low). Looking ahead, San Juan should sit between roughly 25°C and 31°C over the coming days.

Hourly Forecast for San Juan

01:00
Patchy rain nearby
27°
19%
02:00
Patchy rain nearby
27°
20%
03:00
Patchy rain nearby
27°
20%
04:00
Patchy rain nearby
26°
23%
05:00
Patchy rain nearby
26°
26%
06:00
Patchy rain nearby
26°
32%
07:00
Patchy rain nearby
27°
23%
08:00
Patchy rain nearby
28°
17%
09:00
Patchy rain nearby
29°
13%
10:00
Patchy rain nearby
29°
14%
11:00
Patchy rain nearby
30°
15%
12:00
Patchy rain nearby
30°
13%
13:00
Patchy rain nearby
30°
14%
14:00
Patchy rain nearby
30°
13%
15:00
Patchy rain nearby
30°
13%
16:00
Sunny
30°
5%
17:00
Sunny
29°
5%
18:00
Sunny
29°
6%
19:00
Sunny
28°
9%
20:00
Patchy rain nearby
27°
22%
21:00
Patchy rain nearby
26°
22%
22:00
Patchy rain nearby
26°
26%
23:00
Patchy rain nearby
26°
19%
00:00
Patchy rain nearby
27°
23%

14-Day Forecast for San Juan

Sun, Jul 26
Patchy rain nearby Patchy rain nearby
30° / 26°
Mon, Jul 27
Patchy rain nearby Patchy rain nearby
31° / 26°
Tue, Jul 28
Patchy rain nearby Patchy rain nearby
31° / 25°
Wed, Jul 29
Patchy rain nearby Patchy rain nearby
31° / 26°
Thu, Jul 30
Patchy rain nearby Patchy rain nearby
31° / 26°
Fri, Jul 31
Patchy rain nearby Patchy rain nearby
30° / 26°
Sat, Aug 01
Patchy rain nearby Patchy rain nearby
30° / 26°
Sun, Aug 02
Patchy rain nearby Patchy rain nearby
32° / 26°
Mon, Aug 03
Patchy rain nearby Patchy rain nearby
31° / 26°
Tue, Aug 04
Patchy rain nearby Patchy rain nearby
30° / 26°
Wed, Aug 05
Patchy rain nearby Patchy rain nearby
30° / 25°
Thu, Aug 06
Patchy rain nearby Patchy rain nearby
31° / 25°
Fri, Aug 07
Partly Cloudy Partly Cloudy
31° / 25°
Sat, Aug 08
Partly Cloudy Partly Cloudy
30° / 26°

Additional Forecasts for San Juan

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 94.0 μg/m³
O₃ (Ozone) 34.0 μg/m³
NO₂ (Nitrogen Dioxide) 0.7 μg/m³
SO₂ (Sulphur Dioxide) 0.3 μg/m³
PM2.5 (Fine particles) 10.8 μg/m³
PM10 (Coarse particles) 26.7 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Puerto Rico

Browse Weather in Puerto Rico by cities in alphabetical order:

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Weather in Puerto Rico ›

Best Time to Be Outside in San Juan Today

The most comfortable window in San Juan today looks like 18:00 to 18:00, when it is around 29°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in San Juan

What is the temperature in San Juan right now?

San Juan is sitting at 27°C (80°F) right now, patchy rain nearby (feels like 29°C).

What's the weather like in San Juan right now?

Current weather in San Juan: Patchy rain nearby, humidity 78%, wind 19 km/h E.

What is today's forecast for San Juan?

Today in San Juan: high 30°C, low 26°C, patchy rain nearby. Chance of rain: 48%.

What is the 7-day weather forecast for San Juan?

Daily highs and lows for San Juan:

  • 2026-07-26: 30°C / 26°C
  • 2026-07-27: 31°C / 26°C
  • 2026-07-28: 31°C / 25°C
  • 2026-07-29: 31°C / 26°C
  • 2026-07-30: 31°C / 26°C
  • 2026-07-31: 30°C / 26°C
  • 2026-08-01: 30°C / 26°C
Is it going to rain in San Juan today?

There is a 48% chance of rain in San Juan today. Total expected precipitation: 0.8 mm.

What is the wind speed in San Juan right now?

Wind in San Juan is currently 19 km/h (12 mph) from the E.

What is the UV index in San Juan right now?

The UV index in San Juan is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

Weather forecasts for other major cities in 🇵🇷 Puerto Rico: San Juan · Bayamón · Carolina · Ponce · Arecibo · Caguas · Guaynabo · Trujillo Alto · Mayagüez · Fajardo · Vega Baja · Cataño · Barceloneta · Guayama · Humacao · Yauco · Cayey · Aguadilla