Weather in Guaynabo, Puerto Rico

Wednesday 11 November 2026 | 20:45

25°

Overcast

Feels like 30°

High
33°
Low
24°
Humidity
89%
Wind
7 km/h

Hourly forecast

Details
  1. NowOvercast25°
  2. 21:00Overcast25°
  3. 22:00Overcast25°
  4. 23:00Overcast24°
  5. 00:00Overcast24°
  6. 01:00Overcast24°
  7. 02:00Clear sky24°
  8. 03:00Clear sky24°

7-day forecast

14 days

Sun & moon

Sunrise
06:28
Sunset
17:48
Moon phase
Waxing crescent

Guaynabo rain radar

Forecast Open the rain radar

Weather maps

All maps

More information

UV index
7
Very high
Pressure
1016 hPa
Visibility
> 10 km
Dew point
23°

Guaynabo: the next 12 hours at a glance

  • No rain expected in the next 12 hours.
  • Up to 25° around 20:00.
  • Best time to go out: around 07:00 (24°).

Temperature and rain / Guaynabo

The coming days

High

33°

Low

21°

Average high

30.9°

Average low

23.1°

Total rain

32.0 mm

Average rain

2.1 mm

Air quality - Guaynabo

Particles and ozone

Good
4.50 µg/m³
0-1212-3535-5555+

The air is clean: enjoy the outdoors.

PM106.30µg/m³
Ozone49µg/m³
Data updated hourly

Other cities

Weather in the country's main cities

Frequently asked questions

Quick answers about the weather in Guaynabo

Tomorrow in Guaynabo, expect Thunderstorm 🌩️, with:\n\n- High of 32°\n- Low of 24°

Need more information?

Our data is updated regularly to give you the most reliable forecast.

Last updated: 2026-11-12