Weather San Diego weekend

Weather forecast for San Diego for this and next weekend.

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

Friday, Jan 9

22 / 14°C

0.0 mm

15 km/h

20 °C	21 °C	4 pm
17 °C	18 °C	6 pm
16 °C	17 °C	8 pm
15 °C	15 °C	10 pm

sunrise 5:55 am
sunset 5:31 pm

HOURLY

Afternoon in the afternoon cloudy, in the evening initially cloudy, later clear. The highest temperature 22 °C. At night partly cloudy. The lowest temperature 14 °C.

Interactive map weather Costa Rica

GPS: 9.9003; -84.0017

altitude: 1275 m
local time:

PLACES IN THE AREA

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Weather forecast San Diego, Costa Rica extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Friday 01/09/2026
10 AM 11 AM	overcast	21 °C 22 °C	0.0 mm	5.3 m/s 19 km/h east	1016 hPa	68 %	15 °C	89 %	0%	85%	30%	0%
11 AM 12 PM	cloudy	21 °C 22 °C	0.0 mm	5.2 m/s 19 km/h east	1016 hPa	68 %	15 °C	70 %	0%	62%	26%	0%
12 PM 1 PM	cloudy	22 °C 23 °C	0.0 mm	5.0 m/s 18 km/h east	1015 hPa	63 %	14 °C	49 %	0%	40%	15%	0%
1 PM 2 PM	cloudy	22 °C 23 °C	0.0 mm	4.8 m/s 17 km/h east	1014 hPa	63 %	14 °C	56 %	0%	48%	18%	0%
2 PM 3 PM	cloudy	21 °C 22 °C	0.0 mm	4.8 m/s 17 km/h east	1013 hPa	67 %	15 °C	76 %	0%	74%	17%	0%
3 PM 4 PM	cloudy	21 °C 22 °C	0.0 mm	4.6 m/s 17 km/h east-southeast	1013 hPa	70 %	15 °C	57 %	0%	53%	7%	0%
4 PM 5 PM	partly cloudy	20 °C 21 °C	0.0 mm	4.1 m/s 15 km/h east-southeast	1013 hPa	70 %	14 °C	34 %	0%	24%	14%	0%
5 PM 6 PM	partly cloudy	19 °C 20 °C	0.0 mm	3.2 m/s 12 km/h east-southeast	1014 hPa	75 %	14 °C	21 %	0%	7%	15%	0%
6 PM 7 PM	partly cloudy	17 °C 18 °C	0.0 mm	3.1 m/s 11 km/h east-southeast	1014 hPa	83 %	14 °C	14 %	0%	6%	9%	0%
7 PM 8 PM	clear	16 °C 17 °C	0.0 mm	3.1 m/s 11 km/h east-southeast	1015 hPa	88 %	14 °C	10 %	0%	5%	5%	0%
8 PM 9 PM	partly cloudy	16 °C 17 °C	0.0 mm	3.3 m/s 12 km/h east-southeast	1016 hPa	86 %	13 °C	18 %	0%	13%	4%	0%
9 PM 10 PM	partly cloudy	16 °C 16 °C	0.0 mm	3.4 m/s 12 km/h east-southeast	1017 hPa	83 %	12 °C	16 %	0%	15%	0%	0%
10 PM 11 PM	clear	15 °C 15 °C	0.0 mm	3.2 m/s 12 km/h east-southeast	1017 hPa	82 %	12 °C	10 %	0%	9%	0%	0%
11 PM 12 AM	clear	15 °C 15 °C	0.0 mm	3.2 m/s 12 km/h east-southeast	1016 hPa	82 %	11 °C	5 %	0%	3%	1%	0%
Saturday 01/10/2026
12 AM 1 AM	clear	15 °C 15 °C	0.0 mm	3.2 m/s 12 km/h east-southeast	1016 hPa	82 %	11 °C	6 %	0%	3%	2%	0%
1 AM 2 AM	clear	15 °C 15 °C	0.0 mm	3.2 m/s 12 km/h east-southeast	1015 hPa	83 %	11 °C	4 %	0%	3%	1%	0%
2 AM 3 AM	clear	15 °C 15 °C	0.0 mm	3.1 m/s 11 km/h east-southeast	1014 hPa	83 %	11 °C	8 %	0%	8%	0%	0%
3 AM 4 AM	clear	15 °C 15 °C	0.0 mm	3.2 m/s 12 km/h east-southeast	1014 hPa	83 %	11 °C	3 %	0%	3%	0%	0%
4 AM 5 AM	clear	14 °C 14 °C	0.0 mm	3.3 m/s 12 km/h east-southeast	1014 hPa	86 %	12 °C	3 %	0%	3%	0%	0%
5 AM 6 AM	partly cloudy	14 °C 14 °C	0.0 mm	3.3 m/s 12 km/h east-southeast	1015 hPa	87 %	12 °C	32 %	0%	32%	0%	0%
6 AM 7 AM	cloudy	15 °C 15 °C	0.0 mm	3.6 m/s 13 km/h east-southeast	1015 hPa	86 %	12 °C	55 %	1%	55%	0%	0%
7 AM 8 AM	partly cloudy	17 °C 17 °C	0.0 mm	4.0 m/s 14 km/h east-southeast	1016 hPa	80 %	13 °C	26 %	0%	26%	1%	0%
8 AM 9 AM	partly cloudy	19 °C 19 °C	0.0 mm	4.6 m/s 17 km/h east-southeast	1016 hPa	71 %	13 °C	17 %	0%	17%	0%	0%
9 AM 10 AM	partly cloudy	21 °C 21 °C	0.0 mm	5.0 m/s 18 km/h east-southeast	1016 hPa	63 %	13 °C	13 %	0%	13%	0%	0%
10 AM 11 AM	clear	22 °C 22 °C	0.0 mm	5.0 m/s 18 km/h east-southeast	1016 hPa	57 %	13 °C	6 %	0%	6%	0%	0%
11 AM 12 PM	clear	23 °C 23 °C	0.0 mm	5.1 m/s 18 km/h east-southeast	1015 hPa	55 %	13 °C	11 %	0%	11%	0%	0%
12 PM 1 PM	partly cloudy	23 °C 23 °C	0.0 mm	4.9 m/s 18 km/h east-southeast	1014 hPa	54 %	13 °C	14 %	0%	12%	3%	0%
1 PM 2 PM	clear	23 °C 23 °C	0.0 mm	4.8 m/s 17 km/h east	1013 hPa	55 %	13 °C	12 %	0%	8%	6%	0%
2 PM 3 PM	partly cloudy	23 °C 23 °C	0.0 mm	4.5 m/s 16 km/h east	1012 hPa	56 %	13 °C	22 %	0%	14%	10%	0%
3 PM 4 PM	partly cloudy	22 °C 23 °C	0.0 mm	4.1 m/s 15 km/h east	1012 hPa	63 %	14 °C	16 %	0%	9%	7%	0%
4 PM 5 PM	partly cloudy	21 °C 22 °C	0.0 mm	3.8 m/s 14 km/h east	1013 hPa	68 %	14 °C	14 %	0%	11%	3%	0%
5 PM 6 PM	partly cloudy	19 °C 20 °C	0.0 mm	3.1 m/s 11 km/h east-southeast	1013 hPa	76 %	14 °C	25 %	0%	23%	3%	0%
6 PM 7 PM	cloudy	17 °C 18 °C	0.0 mm	3.1 m/s 11 km/h east-southeast	1014 hPa	85 %	14 °C	54 %	6%	53%	0%	0%
7 PM 8 PM	fog	17 °C 18 °C	0.0 mm	3.6 m/s 13 km/h east-southeast	1015 hPa	87 %	14 °C	60 %	25%	60%	0%	0%
8 PM 9 PM	cloudy	17 °C 18 °C	0.0 mm	3.5 m/s 13 km/h east-southeast	1016 hPa	83 %	14 °C	60 %	0%	60%	0%	0%
9 PM 10 PM	cloudy	17 °C 18 °C	0.0 mm	3.8 m/s 14 km/h east-southeast	1016 hPa	85 %	14 °C	71 %	0%	71%	0%	0%
10 PM 11 PM	cloudy	16 °C 17 °C	0.0 mm	3.5 m/s 13 km/h east-southeast	1016 hPa	87 %	14 °C	71 %	3%	71%	0%	0%
11 PM 12 AM	partly cloudy	16 °C 17 °C	0.0 mm	3.5 m/s 13 km/h east-southeast	1016 hPa	87 %	13 °C	29 %	0%	29%	0%	0%

San Diego, Costa Rica - information

State: Costa Rica

GPS coordinates: 9.9003; -84.0017

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

Population: 16 991
Altitude: 1275 m
The administrative part:

Provincia de Cartago, Cartago
Cantón de La Unión, San Diego

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Data source

Weather forecast for San Diego 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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Long-term statistical averages

	average	min.	max.	precipit… days
January	21.8 °C
February	22.2 °C
March	22.8 °C
April	23.0 °C
May	22.2 °C
June	21.7 °C
July	22.0 °C
August	21.8 °C
September	21.3 °C
October	21.2 °C
November	21.6 °C
December	21.8 °C

Statistical averages in charts San Diego

Astronomical information San Diego

data are always in the local time

Sun and light

Jan. 9, 2026

Sunrise:	Sunset:
5:55 am	5:31 pm
Noon:	Length of day:
11:43 am	11:35
Start of civil twilight*:	End of civil twilight*:
5:32 am	5:54 pm
Start of nautical twilight*:	End of nautical twilight*:
5:06 am	6:19 pm
Start of astronomical twilight*:	End of astronomical twilight*:
4:40 am	6:45 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
01/08/2026 10:28 pm	01/09/2026 10:42 am
Next new moon:	Next full moon:
01/18/2026	02/01/2026