Weather San Juan today

PLACES IN THE AREA

64 °F	66 °F	9 am
73 °F	75 °F	12 pm
81 °F	79 °F	3 pm
73 °F	75 °F	9 pm

sunrise 6:38 am
sunset 8:43 pm

HOURLY

Weather forecast for San Juan Jan. 9, 2026

During the day partly cloudy. The highest temperature 81 °F. At night clear. The lowest temperature 64 °F.

Interactive map weather Argentina

GPS: -31.5375; -68.5364

altitude: 2129 ft
local time:

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Weather forecast San Juan, Argentina extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Today, Friday 01/09/2026
4 AM 2 AM	partly cloudy	63 °F 64 °F	0.0 in	11 fps 8 mph south-southwest	30.0 in	89 %	57 °F	17 %	0%	8%	8%	0%
5 AM 3 AM	partly cloudy	61 °F 63 °F	0.0 in	12 fps 9 mph west-southwest	30.0 in	90 %	57 °F	26 %	0%	10%	9%	10%
6 AM 4 AM	partly cloudy	61 °F 63 °F	0.0 in	12 fps 8 mph west	30.0 in	92 %	57 °F	26 %	0%	14%	14%	0%
7 AM 5 AM	partly cloudy	61 °F 63 °F	0.0 in	12 fps 8 mph west	30.0 in	92 %	57 °F	28 %	0%	21%	7%	0%
8 AM 6 AM	partly cloudy	63 °F 64 °F	0.0 in	12 fps 8 mph west-southwest	30.0 in	85 %	57 °F	28 %	0%	10%	21%	0%
9 AM 7 AM	partly cloudy	64 °F 64 °F	0.0 in	10 fps 7 mph south-southwest	30.0 in	75 %	57 °F	23 %	0%	6%	19%	0%
10 AM 8 AM	partly cloudy	68 °F 70 °F	0.0 in	7 fps 5 mph south-southwest	30.0 in	66 %	55 °F	32 %	0%	8%	23%	3%
11 AM 9 AM	partly cloudy	72 °F 73 °F	0.0 in	6 fps 4 mph south-southwest	29.9 in	58 %	55 °F	28 %	0%	4%	23%	1%
12 PM 10 AM	partly cloudy	73 °F 73 °F	0.0 in	7 fps 5 mph south	29.9 in	52 %	54 °F	20 %	0%	4%	15%	0%
1 PM 11 AM	partly cloudy	77 °F 77 °F	0.0 in	10 fps 7 mph south	29.9 in	47 %	54 °F	14 %	0%	2%	11%	0%
2 PM 12 PM	partly cloudy	79 °F 79 °F	0.0 in	14 fps 9 mph south-southeast	29.9 in	42 %	54 °F	28 %	0%	1%	18%	11%
3 PM 1 PM	partly cloudy	81 °F 81 °F	0.0 in	16 fps 11 mph south-southeast	29.9 in	39 %	52 °F	34 %	0%	0%	22%	15%
4 PM 2 PM	cloudy	81 °F 79 °F	0.0 in	17 fps 12 mph south-southeast	29.8 in	38 %	52 °F	49 %	0%	0%	22%	35%
5 PM 3 PM	partly cloudy	81 °F 81 °F	0.0 in	17 fps 12 mph south-southeast	29.8 in	39 %	52 °F	21 %	0%	2%	9%	12%
6 PM 4 PM	partly cloudy	79 °F 79 °F	0.0 in	16 fps 11 mph south-southeast	29.8 in	41 %	54 °F	25 %	0%	0%	14%	14%
7 PM 5 PM	cloudy	79 °F 79 °F	0.0 in	16 fps 11 mph south-southeast	29.8 in	43 %	54 °F	40 %	0%	2%	10%	33%
8 PM 6 PM	partly cloudy	77 °F 77 °F	0.0 in	12 fps 8 mph south	29.9 in	45 %	54 °F	22 %	0%	2%	7%	17%
9 PM 7 PM	partly cloudy	73 °F 73 °F	0.0 in	7 fps 4 mph southwest	29.9 in	52 %	55 °F	25 %	0%	0%	5%	20%
10 PM 8 PM	clear	72 °F 73 °F	0.0 in	8 fps 6 mph west	29.9 in	59 %	55 °F	9 %	0%	0%	3%	7%
11 PM 9 PM	partly cloudy	70 °F 72 °F	0.0 in	7 fps 5 mph north-northwest	29.9 in	63 %	57 °F	22 %	0%	2%	4%	18%
Tomorrow, Saturday 01/10/2026
12 AM 10 PM	partly cloudy	70 °F 72 °F	0.0 in	3 fps 2 mph south-southeast	29.9 in	69 %	57 °F	34 %	0%	1%	19%	16%
1 AM 11 PM	cloudy	68 °F 70 °F	0.0 in	3 fps 2 mph west	29.9 in	73 %	59 °F	46 %	0%	0%	22%	29%
2 AM 12 AM	partly cloudy	68 °F 72 °F	0.0 in	2 fps 2 mph west-northwest	29.9 in	76 %	59 °F	33 %	0%	0%	3%	32%
3 AM 1 AM	partly cloudy	66 °F 68 °F	0.0 in	2 fps 2 mph east	29.9 in	77 %	59 °F	31 %	0%	0%	7%	28%
4 AM 2 AM	clear	64 °F 66 °F	0.0 in	3 fps 2 mph northeast	29.9 in	80 %	59 °F	7 %	0%	0%	3%	4%
5 AM 3 AM	clear	64 °F 66 °F	0.0 in	4 fps 3 mph east-northeast	29.9 in	80 %	57 °F	2 %	0%	0%	0%	2%
6 AM 4 AM	clear	64 °F 66 °F	0.0 in	5 fps 3 mph west	29.9 in	79 %	57 °F	0 %	0%	0%	0%	0%
7 AM 5 AM	clear	64 °F 66 °F	0.0 in	3 fps 2 mph southwest	29.9 in	81 %	57 °F	3 %	0%	0%	2%	0%
8 AM 6 AM	clear	66 °F 68 °F	0.0 in	4 fps 2 mph southwest	29.9 in	76 %	59 °F	2 %	0%	0%	2%	0%
9 AM 7 AM	clear	72 °F 73 °F	0.0 in	5 fps 3 mph north	29.9 in	63 %	57 °F	0 %	0%	0%	0%	0%
10 AM 8 AM	clear	75 °F 77 °F	0.0 in	6 fps 4 mph north	29.9 in	54 %	57 °F	0 %	0%	0%	0%	0%
11 AM 9 AM	clear	79 °F 81 °F	0.0 in	7 fps 5 mph north	29.9 in	47 %	55 °F	4 %	0%	0%	3%	0%
12 PM 10 AM	partly cloudy	82 °F 84 °F	0.0 in	9 fps 6 mph north-northeast	29.9 in	43 %	57 °F	17 %	0%	0%	13%	5%
1 PM 11 AM	partly cloudy	84 °F 86 °F	0.0 in	8 fps 6 mph northeast	29.9 in	40 %	57 °F	25 %	0%	0%	7%	20%
2 PM 12 PM	partly cloudy	86 °F 88 °F	0.0 in	7 fps 5 mph east-northeast	29.9 in	36 %	55 °F	14 %	0%	0%	10%	6%
3 PM 1 PM	cloudy	88 °F 88 °F	0.0 in	8 fps 5 mph east	29.8 in	33 %	55 °F	52 %	0%	0%	6%	49%
4 PM 2 PM	cloudy	90 °F 88 °F	0.0 in	13 fps 9 mph southeast	29.8 in	27 %	52 °F	43 %	0%	0%	10%	38%
5 PM 3 PM	cloudy	90 °F 88 °F	0.0 in	15 fps 10 mph south-southeast	29.8 in	24 %	48 °F	49 %	0%	0%	14%	41%
6 PM 4 PM	cloudy	90 °F 88 °F	0.0 in	16 fps 11 mph south-southeast	29.8 in	26 %	50 °F	39 %	0%	0%	8%	32%
7 PM 5 PM	partly cloudy	88 °F 86 °F	0.0 in	14 fps 10 mph south-southeast	29.8 in	27 %	48 °F	19 %	0%	0%	1%	18%
8 PM 6 PM	partly cloudy	84 °F 82 °F	0.0 in	13 fps 9 mph southeast	29.8 in	30 %	50 °F	33 %	0%	0%	1%	32%
9 PM 7 PM	partly cloudy	81 °F 81 °F	0.0 in	10 fps 7 mph east-southeast	29.8 in	40 %	54 °F	25 %	0%	0%	1%	24%
10 PM 8 PM	partly cloudy	77 °F 79 °F	0.0 in	6 fps 4 mph southeast	29.9 in	48 %	55 °F	14 %	0%	0%	0%	14%
11 PM 9 PM	clear	77 °F 79 °F	0.0 in	4 fps 2 mph west	29.9 in	49 %	55 °F	3 %	0%	0%	0%	2%

San Juan, Argentina - information

State: Argentina

GPS coordinates: -31.5375; -68.5364

Time zone: America / Argentina / San Juan time difference in hours with time in NY is -4 hours

Population: 109 123
Altitude: 2129 ft
The administrative part:

Provincia de San Juan, San Juan
Capital, San Juan

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Data source

Weather forecast for San Juan 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.
January	77 °F	65 °F	90 °F
February	74 °F	63 °F	87 °F
March	69 °F	58 °F	81 °F
April	61 °F	50 °F	74 °F
May	53 °F	42 °F	67 °F
June	46 °F	36 °F	60 °F
July	46 °F	35 °F	60 °F
August	50 °F	38 °F	65 °F
September	56 °F	44 °F	70 °F
October	65 °F	51 °F	78 °F
November	71 °F	58 °F	84 °F
December	76 °F	63 °F	89 °F

Statistical averages in charts for San Juan

Astronomical information San Juan

data are always in the local time

Sun and light

Jan. 9, 2026

Sunrise:	Sunset:
6:38 am	8:43 pm
Noon:	Length of day:
1:41 pm	14:04
Start of civil twilight*:	End of civil twilight*:
6:10 am	9:11 pm
Start of nautical twilight*:	End of nautical twilight*:
5:37 am	9:44 pm
Start of astronomical twilight*:	End of astronomical twilight*:
5:01 am	10:20 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
01/09/2026 12:16 am	01/09/2026 12:57 pm
Next new moon:	Next full moon:
01/18/2026	02/01/2026