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December 19th, 2025 :: 7:49 am -03   

Local Weather Report for
San Juan
San Juan, Argentina

 Current San Juan Weather Conditions Updated December 19th at 7:00 am 
Temperature:22°C Dew Point:11°C
Barometer:100.5 kPa Wind:N 10 Km/h
Humidity:49.6% Visibility:n/a
 
 San Juan Weather Forecast Summary  
 
Today
Dec 19th
Saturday
Dec 20th
Sunday
Dec 21st
Monday
Dec 22nd
Tuesday
Dec 23rd
Mostly Sunny Mostly Sunny Mostly Sunny Thundershowers Mostly Sunny
28°C
25°C
15°C
24°C
16°C
22°C
15°C
27°C
19°C
 
 San Juan Detailed Weather Forecast  
 
Friday, December 19th, 2025
Morning Temperature: 25°C
Mostly sunny.
Afternoon Temperature: 28°C
Sunny. Slight chance of a thunderstorm.
Evening Temperature: 25°C
Clear. Slight chance of a thunderstorm.
Saturday, December 20th, 2025
Overnight Temperature: 17°C
Clear with cloudy periods. Slight chance of a thunderstorm.
Morning Temperature: 21°C
Sunny. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 25°C
Sunny with cloudy periods. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 22°C
Clear with cloudy periods with a chance of showers. Slight chance of a thunderstorm.
Sunday, December 21st, 2025
Overnight Temperature: 19°C
Clear with a slight chance of showers or thundershowers.
Morning Temperature: 21°C
Sunny with a slight chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 24°C
A mix of cloud and sun with a slight chance of showers or thundershowers. Windy.
Evening Temperature: 19°C
Clear with cloudy periods with a chance of showers. Slight chance of a thunderstorm. Windy.
Monday, December 22nd, 2025
Overnight Temperature: 16°C
A mix of cloudy and clear skies with showers likely. Slight chance of a thunderstorm.
Morning Temperature: 18°C
Mostly sunny with showers likely. Chance of a thunderstorm.
Afternoon Temperature: 22°C
Mostly sunny with a slight chance of showers or thundershowers.
Evening Temperature: 21°C
Clear.
Tuesday, December 23rd, 2025
Overnight Temperature: 19°C
Clear.
Morning Temperature: 24°C
Mostly sunny.
Afternoon Temperature: 27°C
Sunny.
Evening Temperature: 24°C
Clear.
Wednesday, December 24th, 2025
Overnight Temperature: 22°C
Clear.
Morning Temperature: 24°C
Sunny. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 27°C
Sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 23°C
Clear with cloudy periods. Slight chance of a thunderstorm. Windy at times.
Thursday, December 25th, 2025
Overnight Temperature: 19°C
A mix of cloudy and clear skies.
Morning Temperature: 22°C
Cloudy with a chance of showers. Slight chance of a thunderstorm.
Afternoon Temperature: 26°C
Cloudy. Slight chance of a thunderstorm.
Evening Temperature: 24°C
Cloudy with a chance of showers. Slight chance of a thunderstorm.
Friday, December 26th, 2025
Overnight Temperature: 21°C
Cloudy with a chance of showers. Slight chance of a thunderstorm.
Morning Temperature: 24°C
A mix of cloud and sun. Chance of a thunderstorm.
Afternoon Temperature: 28°C
A mix of cloud and sun. Chance of a thunderstorm.
Evening Temperature: 23°C
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Saturday, December 27th, 2025
Overnight Temperature: 16°C
Clear with cloudy periods with showers likely. Windy at times.
Morning Temperature: 19°C
Sunny with cloudy periods.
Afternoon Temperature: 23°C
Mostly sunny. Windy at times.
Evening Temperature: 20°C
Clear with cloudy periods. Windy at times.





 

  [ Local Weather Report ]
Mendoza, MZ 
7:00 AM  22°C
 

 
This WeatherCity Weather Forecast for San Juan, San Juan, Argentina is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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