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May 14th, 2026 :: 10:59 am JST   

Local Weather Report for
Niihama
Japan

 Niihama Weather Forecast Summary  
 
Today
May 14th
Friday
May 15th
Saturday
May 16th
Sunday
May 17th
Monday
May 18th
Mostly Sunny Sunny Sunny Sunny Mostly Sunny
20°C
19°C
15°C
20°C
16°C
22°C
16°C
22°C
17°C
 
 Niihama Detailed Weather Forecast  
 
Thursday, May 14th, 2026
Afternoon Temperature: 19°C
Sunny with cloudy periods.
Evening Temperature: 19°C
Mostly clear.
Friday, May 15th, 2026
Overnight Temperature: 16°C
Clear.
Morning Temperature: 16°C
Sunny.
Afternoon Temperature: 18°C
Sunny.
Evening Temperature: 18°C
Clear. Windy at times.
Saturday, May 16th, 2026
Overnight Temperature: 16°C
Clear.
Morning Temperature: 17°C
Sunny.
Afternoon Temperature: 18°C
Sunny.
Evening Temperature: 19°C
Clear.
Sunday, May 17th, 2026
Overnight Temperature: 16°C
Clear.
Morning Temperature: 17°C
Sunny.
Afternoon Temperature: 20°C
Sunny.
Evening Temperature: 19°C
Clear.
Monday, May 18th, 2026
Overnight Temperature: 17°C
Clear.
Morning Temperature: 18°C
Mostly sunny.
Afternoon Temperature: 20°C
Mostly sunny.
Evening Temperature: 20°C
Clear.
Tuesday, May 19th, 2026
Overnight Temperature: 17°C
Mostly clear.
Morning Temperature: 18°C
Mostly sunny.
Afternoon Temperature: 20°C
Mostly sunny.
Evening Temperature: 21°C
Mostly clear.
Wednesday, May 20th, 2026
Overnight Temperature: 18°C
A mix of cloudy and clear skies.
Morning Temperature: 18°C
A mix of cloud and sun.
Afternoon Temperature: 20°C
A mix of cloud and sun.
Evening Temperature: 20°C
Mostly cloudy.
Thursday, May 21st, 2026
Overnight Temperature: 19°C
Mostly cloudy.
Morning Temperature: 19°C
Cloudy with a chance of showers.
Afternoon Temperature: 19°C
Cloudy with a few showers.
Evening Temperature: 20°C
Mostly clear.
Friday, May 22nd, 2026
Overnight Temperature: 18°C
Mostly clear. Windy at times.
Morning Temperature: 18°C
Mostly sunny.
Afternoon Temperature: 19°C
A mix of sun and cloud. Windy at times.
Evening Temperature: 17°C
Clear. Windy at times.





 

  [ Local Weather Report ]
Saijo 
 
Kawanoe 
 
Innoshima 
 
Kanonji 
 
Hojo 
 
Ino 
 
Onomichi 
 
Mihara 
 
Takehara 
10:00 AM  22°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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