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June 9th, 2026 :: 5:25 pm JST   

Local Weather Report for
Niihama
Japan

 Niihama Weather Forecast Summary  
 
Today
Jun 10th
Thursday
Jun 11th
Friday
Jun 12th
Saturday
Jun 13th
Sunday
Jun 14th
Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Cloudy
23°C
22°C
18°C
23°C
18°C
22°C
19°C
21°C
17°C
 
 Niihama Detailed Weather Forecast  
 
Wednesday, June 10th, 2026
Overnight Temperature: 18°C
Clear with cloudy periods.
Morning Temperature: 18°C
Mostly sunny.
Afternoon Temperature: 21°C
Mostly sunny.
Evening Temperature: 21°C
Clear.
Thursday, June 11th, 2026
Overnight Temperature: 19°C
Clear.
Morning Temperature: 20°C
Mostly sunny.
Afternoon Temperature: 20°C
Mostly sunny.
Evening Temperature: 21°C
Mostly clear with a slight chance of showers.
Friday, June 12th, 2026
Overnight Temperature: 19°C
Clear.
Morning Temperature: 20°C
Sunny.
Afternoon Temperature: 22°C
Mostly sunny.
Evening Temperature: 21°C
Mostly clear. Slight chance of a thunderstorm.
Saturday, June 13th, 2026
Overnight Temperature: 19°C
Mostly clear.
Morning Temperature: 20°C
Mostly sunny.
Afternoon Temperature: 21°C
A mix of cloud and sun.
Evening Temperature: 21°C
Clear with cloudy periods.
Sunday, June 14th, 2026
Overnight Temperature: 19°C
A mix of cloudy and clear skies.
Morning Temperature: 20°C
A mix of cloud and sun.
Afternoon Temperature: 20°C
Cloudy with a slight chance of showers.
Evening Temperature: 18°C
Cloudy with a chance of showers. Windy at times.
Monday, June 15th, 2026
Overnight Temperature: 17°C
Cloudy with a few showers.
Morning Temperature: 18°C
Cloudy with sunny periods with a slight chance of showers. Windy at times.
Afternoon Temperature: 19°C
Sunny with cloudy periods.
Evening Temperature: 19°C
Clear.
Tuesday, June 16th, 2026
Overnight Temperature: 19°C
Mostly clear.
Morning Temperature: 20°C
Mostly sunny.
Afternoon Temperature: 21°C
Sunny with cloudy periods.
Evening Temperature: 21°C
Mostly clear.
Wednesday, June 17th, 2026
Overnight Temperature: 20°C
Mostly clear.
Morning Temperature: 21°C
Mostly sunny.
Afternoon Temperature: 22°C
Sunny with cloudy periods.
Evening Temperature: 22°C
Clear with cloudy periods.
Thursday, June 18th, 2026
Overnight Temperature: 21°C
Mostly clear.
Morning Temperature: 21°C
Mostly sunny.
Afternoon Temperature: 23°C
Sunny with cloudy periods. Slight chance of a thunderstorm.
Evening Temperature: 23°C
Mostly clear with a slight chance of showers or thundershowers.





 

  [ Local Weather Report ]
Saijo 
 
Kawanoe 
 
Innoshima 
 
Kanonji 
 
Hojo 
 
Ino 
 
Onomichi 
 
Mihara 
 
Takehara 
4:00 PM  20°C
Mostly Sunny
 
Tadotsu 

 
This WeatherCity Weather Forecast for Niihama, 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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