Weather Isla San Lucas weekend

Weather forecast for Isla San Lucas for this and next weekend.

Saturday during the day morning partly cloudy, later morning clear. Sunday during the day morning clear, later morning partly cloudy, in the afternoon clear.

Friday, Jan 9

28 / 26°C

0.0 mm

10 km/h

28 °C

33 °C

6 pm

sunrise 5:59 am
sunset 5:34 pm

HOURLY

During the day morning overcast, later morning partly cloudy, in the afternoon cloudy, in the evening initially cloudy, later partly cloudy. The highest temperature 28 °C. At night the lowest temperature 26 °C.

Interactive map weather Costa Rica

GPS: 9.9402; -84.9050

altitude: 47 m
local time:

PLACES IN THE AREA

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Weather forecast Isla San Lucas, Costa Rica extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Friday 01/09/2026
12 AM 1 AM	overcast	26 °C 31 °C	0.0 mm	0.5 m/s 2 km/h east-northeast	1011 hPa	78 %	22 °C	97 %	0%	1%	0%	97%
6 AM 7 AM	partly cloudy	23 °C 26 °C	0.0 mm	1.0 m/s 4 km/h east-southeast	1011 hPa	81 %	19 °C	20 %	0%	16%	4%	0%
12 PM 1 PM	cloudy	32 °C 36 °C	0.0 mm	2.7 m/s 10 km/h southwest	1009 hPa	53 %	21 °C	56 %	0%	2%	8%	51%
6 PM 7 PM	partly cloudy	28 °C 32 °C	0.0 mm	3.3 m/s 12 km/h east-southeast	1008 hPa	68 %	22 °C	23 %	0%	17%	5%	3%
Saturday 01/10/2026
12 AM 1 AM	partly cloudy	28 °C 31 °C	0.0 mm	1.9 m/s 7 km/h east	1009 hPa	61 %	19 °C	37 %	0%	32%	11%	0%
6 AM 7 AM	clear	26 °C 29 °C	0.0 mm	2.3 m/s 8 km/h south-southeast	1009 hPa	71 %	20 °C	5 %	0%	4%	0%	0%
12 PM 1 PM	clear	32 °C 35 °C	0.0 mm	3.7 m/s 13 km/h south	1009 hPa	51 %	21 °C	7 %	0%	3%	6%	0%
6 PM 7 PM	clear	28 °C 33 °C	0.0 mm	4.0 m/s 14 km/h southeast	1008 hPa	78 %	23 °C	7 %	0%	3%	3%	0%

Isla San Lucas, Costa Rica - information

State: Costa Rica

GPS coordinates: 9.9402; -84.9050

Time zone: America / Costa Rica time difference in hours with time in US is -7 hours

Altitude: 47 m
The administrative part:

Provincia de Puntarenas, Puntarenas

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Weather Isla San Lucas, Costa Rica. Weather forecast Isla San Lucas.

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Data source

Weather forecast for Isla San Lucas 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.

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Astronomical information Isla San Lucas

data are always in the local time

Sun and light

Jan. 9, 2026

Sunrise:	Sunset:
5:59 am	5:34 pm
Noon:	Length of day:
11:46 am	11:35
Start of civil twilight*:	End of civil twilight*:
5:36 am	5:57 pm
Start of nautical twilight*:	End of nautical twilight*:
5:10 am	6:23 pm
Start of astronomical twilight*:	End of astronomical twilight*:
4:44 am	6:49 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
01/08/2026 10:32 pm	01/09/2026 10:46 am
Next new moon:	Next full moon:
01/18/2026	02/01/2026