Weather Guaynabo long-term weather forecast

Long-term weather forecast for Guaynabo for ten days.

Sunday, May 3

31 / 23°C

0.1 mm

15 km/h

24 °C	28 °C	2 am
26 °C	31 °C	8 am
31 °C	33 °C	2 pm
26 °C	30 °C	8 pm

sunrise 5:55 am
sunset 6:46 pm

HOURLY

During the day morning clear, later morning partly cloudy, in the afternoon initially partly cloudy, later cloudy, in the evening initially cloudy, later clear. The highest temperature 31 °C. Total rainfall 0.1 mm. At night partly cloudy. The lowest temperature 23 °C.

Interactive map weather Commonwealth of Puerto Rico

GPS: 18.3575; -66.1110

altitude: 50 m
local time:

PLACES IN THE AREA

Weather forecast Guaynabo, Puerto Rico extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Sunday 05/03/2026
2 AM	clear	24 °C 29 °C	0.0 mm	1.3 m/s 5 km/h south	1015 hPa	92 %	22 °C	7 %	0%	7%	0%	0%
8 AM	partly cloudy	26 °C 31 °C	0.1 mm	1.5 m/s 5 km/h east-southeast	1017 hPa	81 %	22 °C	21 %	0%	21%	0%	0%
2 PM	cloudy	31 °C 34 °C	0.0 mm	4.1 m/s 15 km/h east	1014 hPa	52 %	19 °C	41 %	0%	41%	0%	0%
8 PM	clear	26 °C 30 °C	0.0 mm	3.3 m/s 12 km/h east-southeast	1014 hPa	78 %	21 °C	1 %	0%	1%	0%	0%
Monday 05/04/2026
2 AM	partly cloudy	23 °C 27 °C	0.0 mm	1.4 m/s 5 km/h south	1014 hPa	89 %	21 °C	13 %	0%	13%	0%	0%
8 AM	clear	26 °C 30 °C	0.0 mm	2.6 m/s 9 km/h southeast	1015 hPa	75 %	21 °C	12 %	0%	12%	0%	0%
2 PM	clear	31 °C 33 °C	0.0 mm	4.2 m/s 15 km/h southeast	1013 hPa	49 %	19 °C	1 %	0%	1%	0%	0%
8 PM	clear	26 °C 30 °C	0.0 mm	3.2 m/s 12 km/h southeast	1014 hPa	77 %	21 °C	7 %	0%	0%	0%	7%

Guaynabo, Puerto Rico - information

State: Puerto Rico

GPS coordinates: 18.3575; -66.1110

Time zone: America / Puerto Rico time difference in hours with time in US is -6 hours

Population: 81 360
Altitude: 50 m
The administrative part:

Guaynabo Municipio, Guaynabo
Guaynabo Barrio-Pueblo, Guaynabo

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Data source

Weather forecast for Guaynabo is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

Weather with Meteobox for your website

Astronomical information Guaynabo

data are always in the local time

Sun and light

May 3, 2026

Sunrise:	Sunset:
5:55 am	6:46 pm
Noon:	Length of day:
12:21 pm	12:50
Start of civil twilight*:	End of civil twilight*:
5:32 am	7:10 pm
Start of nautical twilight*:	End of nautical twilight*:
5:06 am	7:36 pm
Start of astronomical twilight*:	End of astronomical twilight*:
4:39 am	8:03 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
05/02/2026 7:47 pm	05/03/2026 6:58 am
Next new moon:	Next full moon:
05/16/2026	05/31/2026