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September 12th, 2025 :: 11:26 pm JST   

Local Weather Report for
Iiyama
Japan

 Iiyama Weather Forecast Summary  
 
Today
Sep 13th
Sunday
Sep 14th
Monday
Sep 15th
Tuesday
Sep 16th
Wednesday
Sep 17th
Thundershowers Showers Cloudy Mix of Cloud and Sun Thundershowers
81°F
69°F
67°F
78°F
67°F
83°F
68°F
84°F
67°F
 
 Iiyama Detailed Weather Forecast  
 
Saturday, September 13th, 2025
Overnight Temperature: 66°F
Cloudy with showers likely.
Morning Temperature: 76°F
Cloudy with showers likely. Chance of a thunderstorm.
Afternoon Temperature: 72°F
A mix of cloud and sun.
Evening Temperature: 69°F
Cloudy.
Sunday, September 14th, 2025
Overnight Temperature: 68°F
Cloudy with showers likely.
Morning Temperature: 69°F
Cloudy with showers.
Afternoon Temperature: 68°F
Cloudy with showers likely.
Evening Temperature: 68°F
A mix of cloudy and clear skies with a chance of showers.
Monday, September 15th, 2025
Overnight Temperature: 67°F
A mix of cloudy and clear skies.
Morning Temperature: 77°F
Cloudy with a chance of showers or thundershowers.
Afternoon Temperature: 70°F
A mix of sun and cloud with a chance of showers. Slight chance of a thunderstorm.
Evening Temperature: 69°F
Cloudy with a slight chance of showers or thundershowers.
Tuesday, September 16th, 2025
Overnight Temperature: 69°F
Clear with cloudy periods with a chance of showers.
Morning Temperature: 80°F
Sunny with cloudy periods with a chance of showers or thundershowers.
Afternoon Temperature: 70°F
A mix of cloud and sun with a slight chance of showers or thundershowers.
Evening Temperature: 68°F
A mix of cloudy and clear skies with a slight chance of showers.
Wednesday, September 17th, 2025
Overnight Temperature: 68°F
Clear.
Morning Temperature: 82°F
Mostly sunny. Chance of a thunderstorm.
Afternoon Temperature: 72°F
Mostly sunny with a chance of showers or thundershowers.
Evening Temperature: 69°F
Mostly clear with showers likely. Slight chance of a thunderstorm.
Thursday, September 18th, 2025
Overnight Temperature: 67°F
A mix of cloudy and clear skies with showers likely.
Morning Temperature: 69°F
Cloudy with showers. Chance of a thunderstorm.
Afternoon Temperature: 64°F
Cloudy with a few showers.
Evening Temperature: 63°F
A mix of cloudy and clear skies with showers likely.
Friday, September 19th, 2025
Overnight Temperature: 60°F
A mix of cloudy and clear skies.
Morning Temperature: 69°F
Cloudy with a slight chance of showers.
Afternoon Temperature: 64°F
Cloudy.
Evening Temperature: 61°F
Cloudy with a slight chance of showers.
Saturday, September 20th, 2025
Overnight Temperature: 59°F
Cloudy with a chance of showers.
Morning Temperature: 58°F
Cloudy with a chance of showers.
Afternoon Temperature: 58°F
Cloudy with a slight chance of showers.
Evening Temperature: 58°F
Cloudy with a chance of showers.
Sunday, September 21st, 2025
Overnight Temperature: 59°F
Cloudy with a chance of showers.
Morning Temperature: 62°F
Cloudy with showers.
Afternoon Temperature: 62°F
A mix of cloud and sun with a slight chance of showers.
Evening Temperature: 61°F
Cloudy.





 

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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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