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Weather in Guaynabo, Puerto Rico 🇵🇷

Weather Forecast in Guaynabo

Current Weather in Guaynabo

Partly cloudy
28°C
Feels like 32°C. Partly cloudy.
🌬️ 12 km/h E
💧 79% Humidity
🧭 1017 hPa
👁️ 16.1 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 23°C
🌅 Sunrise: 06:00 AM
🌇 Sunset: 07:01 PM
Map Overlays:

Right now Guaynabo is 28°C with partly cloudy, feeling like 32°C. The air is at 79% humidity and winds are about 12 km/h, and the UV index is 0 (low). Looking ahead, Guaynabo should sit between roughly 24°C and 32°C over the coming days.

Hourly Forecast for Guaynabo

01:00
Partly cloudy
28°
22%
02:00
Patchy rain nearby
26°
21%
03:00
Patchy rain nearby
26°
20%
04:00
Patchy rain nearby
25°
22%
05:00
Patchy rain nearby
25°
24%
06:00
Patchy rain nearby
25°
28%
07:00
Patchy rain nearby
26°
24%
08:00
Patchy rain nearby
28°
17%
09:00
Patchy rain nearby
29°
14%
10:00
Patchy rain nearby
30°
15%
11:00
Patchy rain nearby
31°
12%
12:00
Patchy rain nearby
32°
12%
13:00
Patchy rain nearby
32°
17%
14:00
Patchy rain nearby
32°
17%
15:00
Patchy rain nearby
31°
17%
16:00
Patchy rain nearby
31°
13%
17:00
Patchy rain nearby
30°
12%
18:00
Patchy rain nearby
29°
13%
19:00
Patchy rain nearby
27°
18%
20:00
Patchy rain nearby
25°
24%
21:00
Patchy rain nearby
25°
27%
22:00
Patchy rain nearby
25°
23%
23:00
Patchy rain nearby
26°
23%
00:00
Patchy rain nearby
26°
24%

14-Day Forecast for Guaynabo

Sun, Jul 26
Patchy rain nearby Patchy rain nearby
32° / 25°
Mon, Jul 27
Patchy rain nearby Patchy rain nearby
32° / 24°
Tue, Jul 28
Patchy rain nearby Patchy rain nearby
32° / 24°
Wed, Jul 29
Patchy rain nearby Patchy rain nearby
32° / 24°
Thu, Jul 30
Patchy rain nearby Patchy rain nearby
32° / 24°
Fri, Jul 31
Patchy rain nearby Patchy rain nearby
32° / 24°
Sat, Aug 01
Patchy rain nearby Patchy rain nearby
32° / 24°
Sun, Aug 02
Patchy rain nearby Patchy rain nearby
33° / 24°
Mon, Aug 03
Patchy rain nearby Patchy rain nearby
33° / 24°
Tue, Aug 04
Patchy rain nearby Patchy rain nearby
32° / 24°
Wed, Aug 05
Patchy rain nearby Patchy rain nearby
32° / 23°
Thu, Aug 06
Patchy rain nearby Patchy rain nearby
32° / 24°
Fri, Aug 07
Sunny Sunny
32° / 23°
Sat, Aug 08
Partly Cloudy Partly Cloudy
32° / 23°

Additional Forecasts for Guaynabo

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 93.0 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

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Best Time to Be Outside in Guaynabo Today

The most comfortable window in Guaynabo 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 Guaynabo

What is the temperature in Guaynabo right now?

It is currently 28°C (82°F) in Guaynabo, partly cloudy (feels like 32°C).

What's the weather like in Guaynabo right now?

Current weather in Guaynabo: Partly cloudy, humidity 79%, wind 12 km/h E.

What is today's forecast for Guaynabo?

Today in Guaynabo: high 32°C, low 25°C, patchy rain nearby. Chance of rain: 54%.

What is the 7-day weather forecast for Guaynabo?

Daily highs and lows for Guaynabo:

  • 2026-07-26: 32°C / 25°C
  • 2026-07-27: 32°C / 24°C
  • 2026-07-28: 32°C / 24°C
  • 2026-07-29: 32°C / 24°C
  • 2026-07-30: 32°C / 24°C
  • 2026-07-31: 32°C / 24°C
  • 2026-08-01: 32°C / 24°C
Is it going to rain in Guaynabo today?

There is a 54% chance of rain in Guaynabo today. Total expected precipitation: 0.96 mm.

What is the wind speed in Guaynabo right now?

Wind in Guaynabo is currently 12 km/h (7 mph) from the E.

What is the UV index in Guaynabo right now?

The UV index in Guaynabo 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