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December 12th, 2025 :: 10:13 pm JST   

Local Weather Report for
Niihama
Japan

 Niihama Weather Forecast Summary  
 
Today
Dec 13th
Sunday
Dec 14th
Monday
Dec 15th
Tuesday
Dec 16th
Wednesday
Dec 17th
Cloudy Showers Mostly Sunny Mostly Sunny Showers
10°C
11°C
8°C
9°C
6°C
10°C
6°C
12°C
9°C
 
 Niihama Detailed Weather Forecast  
 
Saturday, December 13th, 2025
Overnight Temperature: 3°C
Clear with cloudy periods.
Morning Temperature: 7°C
Cloudy.
Afternoon Temperature: 8°C
Cloudy with sunny periods.
Evening Temperature: 9°C
Cloudy with a chance of showers.
Sunday, December 14th, 2025
Overnight Temperature: 10°C
Cloudy with a few showers. Windy at times.
Morning Temperature: 8°C
Cloudy with showers likely. Wind 40 to 60 km/h.
Afternoon Temperature: 8°C
A mix of cloud and sun. Wind 30 to 50 km/h.
Evening Temperature: 8°C
A mix of cloudy and clear skies with a chance of showers. Windy.
Monday, December 15th, 2025
Overnight Temperature: 7°C
A mix of cloudy and clear skies with a slight chance of showers. Windy.
Morning Temperature: 8°C
A mix of cloud and sun. Windy.
Afternoon Temperature: 8°C
Mostly sunny. Windy at times.
Evening Temperature: 7°C
Clear.
Tuesday, December 16th, 2025
Overnight Temperature: 6°C
Clear.
Morning Temperature: 9°C
Sunny.
Afternoon Temperature: 9°C
Sunny.
Evening Temperature: 9°C
Clear with cloudy periods.
Wednesday, December 17th, 2025
Overnight Temperature: 9°C
Cloudy.
Morning Temperature: 12°C
A mix of cloud and sun.
Afternoon Temperature: 11°C
Cloudy with a chance of showers.
Evening Temperature: 10°C
Cloudy with showers likely. Windy at times.
Thursday, December 18th, 2025
Overnight Temperature: 10°C
Cloudy with showers likely. Windy at times.
Morning Temperature: 10°C
Sunny with cloudy periods with a chance of showers. Windy at times.
Afternoon Temperature: 9°C
Sunny.
Evening Temperature: 8°C
Clear.
Friday, December 19th, 2025
Overnight Temperature: 8°C
Clear.
Morning Temperature: 11°C
Sunny.
Afternoon Temperature: 11°C
Sunny.
Evening Temperature: 11°C
Clear with cloudy periods.
Saturday, December 20th, 2025
Overnight Temperature: 11°C
Clear with cloudy periods.
Morning Temperature: 13°C
A mix of cloud and sun.
Afternoon Temperature: 13°C
Cloudy.
Evening Temperature: 13°C
A mix of cloudy and clear skies.
Sunday, December 21st, 2025
Overnight Temperature: 13°C
Clear.
Morning Temperature: 13°C
Sunny with cloudy periods with a chance of showers.
Afternoon Temperature: 13°C
Sunny with cloudy periods with a chance of showers.
Evening Temperature: 13°C
Clear with cloudy periods with a slight chance of showers.





 

  [ Local Weather Report ]
Saijo 
 
Kawanoe 
 
Innoshima 
 
Kanonji 
 
Hojo 
 
Ino 
 
Onomichi 
 
Mihara 
 
Takehara 
9:00 PM  3°C
Mostly Cloudy
 
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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