Weather San Antonio long-term weather forecast

Long-term weather forecast for San Antonio for ten days.

Tuesday, Jan 13

21 / 16°C

0.3 mm

13 km/h

17 °C	18 °C	12 am
15 °C	15 °C	6 am
27 °C	27 °C	12 pm
21 °C	23 °C	6 pm

sunrise 5:57 am
sunset 5:33 pm

HOURLY

During the day morning clear, later morning cloudy. The highest temperature 21 °C. Total rainfall 0.3 mm. At night partly cloudy. The lowest temperature 16 °C.

Interactive map weather Costa Rica

GPS: 9.9816; -84.1859

altitude: 937 m
local time:

PLACES IN THE AREA

Weather forecast San Antonio, Costa Rica extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Tuesday 01/13/2026
12 AM 1 AM	clear	17 °C 18 °C	0.0 mm	2.5 m/s 9 km/h east-northeast	1014 hPa	80 %	13 °C	5 %	0%	3%	0%	1%
6 AM 7 AM	cloudy	15 °C 15 °C	0.0 mm	2.9 m/s 10 km/h east-northeast	1013 hPa	81 %	12 °C	57 %	0%	0%	0%	57%
12 PM 1 PM	cloudy	27 °C 27 °C	0.3 mm	3.7 m/s 13 km/h east-northeast	1011 hPa	42 %	13 °C	81 %	0%	7%	18%	75%
6 PM 7 PM	cloudy	21 °C 23 °C	0.0 mm	0.8 m/s 3 km/h east	1011 hPa	70 %	15 °C	71 %	0%	18%	5%	64%
Wednesday 01/14/2026
12 AM 1 AM	partly cloudy	18 °C 19 °C	0.0 mm	2.0 m/s 7 km/h east-northeast	1013 hPa	79 %	14 °C	32 %	0%	7%	0%	25%
6 AM 7 AM	cloudy	16 °C 16 °C	0.0 mm	2.5 m/s 9 km/h east-northeast	1012 hPa	82 %	13 °C	50 %	0%	12%	0%	44%
12 PM 1 PM	rain	28 °C 29 °C	1.2 mm	2.4 m/s 9 km/h east-northeast	1010 hPa	41 %	13 °C	90 %	0%	14%	23%	87%
6 PM 7 PM	partly cloudy	20 °C 22 °C	0.0 mm	0.5 m/s 2 km/h south	1011 hPa	85 %	17 °C	21 %	0%	10%	11%	1%

San Antonio, Costa Rica - information

State: Costa Rica

GPS coordinates: 9.9816; -84.1859

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

Population: 10 938
Altitude: 937 m
The administrative part:

Provincia de Heredia, Heredia
Cantón de Belén, San Antonio

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Data source

Weather forecast for San Antonio 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 San Antonio

data are always in the local time

Sun and light

Jan. 13, 2026

Sunrise:	Sunset:
5:57 am	5:33 pm
Noon:	Length of day:
11:45 am	11:36
Start of civil twilight*:	End of civil twilight*:
5:34 am	5:56 pm
Start of nautical twilight*:	End of nautical twilight*:
5:09 am	6:21 pm
Start of astronomical twilight*:	End of astronomical twilight*:
4:43 am	6:47 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
01/13/2026 1:36 am	01/13/2026 1:22 pm
Next new moon:	Next full moon:
01/18/2026	02/01/2026