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June 18th, 2026 :: 11:51 pm CST   

Local Weather Report for
San Jose
San José, Costa Rica

 San Jose Weather Forecast Summary  
 
Today
Jun 18th
Friday
Jun 19th
Saturday
Jun 20th
Sunday
Jun 21st
Monday
Jun 22nd
Mix of Cloud and Sun Thundershowers Thundershowers Thundershowers Thundershowers
19°C
22°C
15°C
22°C
14°C
21°C
15°C
21°C
16°C
 
 San Jose Detailed Weather Forecast  
 
Friday, June 19th, 2026
Overnight Temperature: 16°C
A mix of cloudy and clear skies. Slight chance of a thunderstorm.
Morning Temperature: 18°C
Sunny with cloudy periods. Chance of a thunderstorm.
Afternoon Temperature: 20°C
A mix of cloud and sun with a few showers. Chance of a thunderstorm.
Evening Temperature: 16°C
Mostly clear with showers likely. Slight chance of a thunderstorm.
Saturday, June 20th, 2026
Overnight Temperature: 15°C
Mostly clear.
Morning Temperature: 18°C
Sunny.
Afternoon Temperature: 21°C
A mix of cloud and sun with showers likely. Chance of a thunderstorm.
Evening Temperature: 17°C
Mostly cloudy with showers likely. Chance of a thunderstorm.
Sunday, June 21st, 2026
Overnight Temperature: 16°C
A mix of clear and cloudy skies. Slight chance of a thunderstorm.
Morning Temperature: 19°C
Mostly sunny. Chance of a thunderstorm.
Afternoon Temperature: 20°C
Mostly cloudy with a few showers. Chance of a thunderstorm.
Evening Temperature: 17°C
Mostly cloudy with a few showers. Slight chance of a thunderstorm.
Monday, June 22nd, 2026
Overnight Temperature: 16°C
Mostly cloudy with a chance of showers.
Morning Temperature: 18°C
Cloudy with sunny periods with a slight chance of showers or thundershowers.
Afternoon Temperature: 20°C
A mix of sun and cloud with showers likely. Chance of a thunderstorm.
Evening Temperature: 17°C
Clear with cloudy periods with showers likely. Slight chance of a thunderstorm.
Tuesday, June 23rd, 2026
Overnight Temperature: 15°C
Mostly clear with a chance of showers.
Morning Temperature: 17°C
Mostly cloudy with a slight chance of showers or thundershowers.
Afternoon Temperature: 18°C
Mostly cloudy with a chance of showers or thundershowers.
Evening Temperature: 16°C
A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm.
Wednesday, June 24th, 2026
Overnight Temperature: 15°C
A mix of cloudy and clear skies.
Morning Temperature: 17°C
Sunny with cloudy periods. Slight chance of a thunderstorm.
Afternoon Temperature: 19°C
A mix of cloud and sun with showers likely. Slight chance of a thunderstorm.
Evening Temperature: 16°C
Mostly cloudy with showers likely.
Thursday, June 25th, 2026
Overnight Temperature: 14°C
A mix of cloudy and clear skies.
Morning Temperature: 16°C
A mix of cloud and sun.
Afternoon Temperature: 18°C
A mix of cloud and sun with a chance of showers or thundershowers.
Evening Temperature: 16°C
A mix of cloudy and clear skies with a chance of showers.
Friday, June 26th, 2026
Overnight Temperature: 15°C
Mostly cloudy.
Morning Temperature: 19°C
Mostly sunny. Slight chance of a thunderstorm.
Afternoon Temperature: 21°C
A mix of cloud and sun with a few showers. Chance of a thunderstorm.
Evening Temperature: 17°C
A mix of cloudy and clear skies with showers likely. Chance of a thunderstorm.





 

  [ Local Weather Report ]
Alajuela, AL 
11:00 PM  20°C
Mostly Cloudy
 
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This WeatherCity Weather Forecast for San Jose, San José, Costa Rica 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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