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December 13th, 2025 :: 3:30 pm JST   

Local Weather Report for
Iiyama
Japan

 Iiyama Weather Forecast Summary  
 
Today
Dec 13th
Sunday
Dec 14th
Monday
Dec 15th
Tuesday
Dec 16th
Wednesday
Dec 17th
Mix of rain and snow Mix of rain and snow Mix of rain and snow Cloudy Mix of rain and snow
0°C
2°C
-1°C
2°C
-5°C
3°C
-5°C
1°C
0°C
 
 Iiyama Detailed Weather Forecast  
 
Saturday, December 13th, 2025
Evening Temperature: -2°C
Cloudy.
Sunday, December 14th, 2025
Overnight Temperature: -1°C
Cloudy.
Morning Temperature: 2°C
Cloudy with showers likely. Showers possibly mixed with wet flurries.
Afternoon Temperature: 2°C
A mix of cloud and sun with a few flurries or showers. Risk of freezing rain. Windy at times.
Evening Temperature: 1°C
Cloudy with flurries or showers likely. Risk of freezing rain. Windy.
Monday, December 15th, 2025
Overnight Temperature: 1°C
Cloudy with a few flurries or showers. Risk of freezing rain. Windy.
Morning Temperature: 1°C
Cloudy with a few flurries or showers. Risk of freezing rain. Windy at times.
Afternoon Temperature: -2°C
A mix of cloud and sun with a slight chance of flurries.
Evening Temperature: -4°C
Mostly clear.
Tuesday, December 16th, 2025
Overnight Temperature: -5°C
Clear.
Morning Temperature: 2°C
Sunny with cloudy periods.
Afternoon Temperature: 0°C
Sunny with cloudy periods.
Evening Temperature: 0°C
Cloudy.
Wednesday, December 17th, 2025
Overnight Temperature: 1°C
Cloudy with a few flurries or showers. Risk of freezing rain.
Morning Temperature: 1°C
Cloudy with a few flurries or showers.
Afternoon Temperature: 0°C
Cloudy with a chance of flurries or showers.
Evening Temperature: 0°C
Cloudy with a chance of flurries or showers.
Thursday, December 18th, 2025
Overnight Temperature: -1°C
Cloudy with clear periods.
Morning Temperature: 1°C
A mix of cloud and sun.
Afternoon Temperature: -1°C
Sunny.
Evening Temperature: -4°C
Clear.
Friday, December 19th, 2025
Overnight Temperature: -3°C
Clear.
Morning Temperature: 4°C
Sunny with cloudy periods.
Afternoon Temperature: 2°C
Sunny.
Evening Temperature: 1°C
Clear.
Saturday, December 20th, 2025
Overnight Temperature: 1°C
Clear.
Morning Temperature: 5°C
Cloudy.
Afternoon Temperature: 5°C
Cloudy with sunny periods.
Evening Temperature: 4°C
Clear.
Sunday, December 21st, 2025
Overnight Temperature: 5°C
Cloudy.
Morning Temperature: 10°C
A mix of cloud and sun.
Afternoon Temperature: 7°C
Mostly sunny.
Evening Temperature: 6°C
Mostly clear.





 

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This WeatherCity Weather Forecast for Iiyama, Japan 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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