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September 15th, 2025 :: 12:42 pm BST   

Local Weather Report for
Castlereagh
Northern Ireland, United Kingdom

 Current Castlereagh Weather Conditions Updated September 15th at 11:50 am 
Mostly Cloudy
Temperature:16°C Dew Point:12°C
Barometer:99.3 kPa Wind:N 31 Km/h
Humidity:77.1% Visibility:n/a
 
 Castlereagh Weather Forecast Summary  
 
Today
Sep 15th
Tuesday
Sep 16th
Wednesday
Sep 17th
Thursday
Sep 18th
Friday
Sep 19th
Cloudy Cloudy Showers Showers Cloudy
16°C
16°C
13°C
18°C
12°C
18°C
14°C
16°C
14°C
 
 Castlereagh Detailed Weather Forecast  
 
Monday, September 15th, 2025
Afternoon Temperature: 15°C
Cloudy with a chance of showers. Slight chance of a thunderstorm. Wind 40 to 60 km/h.
Evening Temperature: 13°C
Cloudy with a chance of showers. Wind 40 to 60 km/h.
Tuesday, September 16th, 2025
Overnight Temperature: 13°C
Cloudy with a chance of showers. Windy.
Morning Temperature: 14°C
Sunny with cloudy periods. Windy.
Afternoon Temperature: 15°C
Cloudy. Windy.
Evening Temperature: 13°C
Cloudy. Windy at times.
Wednesday, September 17th, 2025
Overnight Temperature: 13°C
Cloudy with a few showers. Wind 30 to 50 km/h.
Morning Temperature: 16°C
Cloudy with showers likely. Windy.
Afternoon Temperature: 17°C
Cloudy. Windy.
Evening Temperature: 14°C
Cloudy. Windy at times.
Thursday, September 18th, 2025
Overnight Temperature: 14°C
Cloudy. Windy at times.
Morning Temperature: 17°C
Cloudy with a chance of showers. Wind 30 to 50 km/h.
Afternoon Temperature: 17°C
Cloudy with showers likely. Windy.
Evening Temperature: 16°C
Cloudy with showers likely. Windy.
Friday, September 19th, 2025
Overnight Temperature: 14°C
Cloudy. Windy.
Morning Temperature: 15°C
A mix of cloud and sun. Windy.
Afternoon Temperature: 16°C
Cloudy. Windy at times.
Evening Temperature: 14°C
Cloudy. Windy at times.
Saturday, September 20th, 2025
Overnight Temperature: 13°C
Cloudy with showers likely. Windy.
Morning Temperature: 11°C
Cloudy with showers. Wind 50 to 70 km/h.
Afternoon Temperature: 11°C
Cloudy with periods of rain. Wind 50 to 70 km/h.
Evening Temperature: 11°C
Cloudy with a few showers. Wind 60 to 80 km/h.
Sunday, September 21st, 2025
Overnight Temperature: 10°C
Cloudy with showers likely. Wind 50 to 70 km/h.
Morning Temperature: 10°C
Cloudy with a few showers. Wind 50 to 70 km/h.
Afternoon Temperature: 12°C
Cloudy with a few showers. Wind 50 to 70 km/h.
Evening Temperature: 12°C
Cloudy with a chance of showers. Wind 50 to 70 km/h.
Monday, September 22nd, 2025
Overnight Temperature: 12°C
Cloudy with a chance of showers. Wind 40 to 60 km/h.
Morning Temperature: 13°C
Cloudy with a chance of showers. Wind 40 to 60 km/h.
Afternoon Temperature: 15°C
Sunny with cloudy periods with showers likely. Slight chance of a thunderstorm. Windy.
Evening Temperature: 14°C
Mostly clear with a slight chance of showers. Windy.
Tuesday, September 23rd, 2025
Overnight Temperature: 14°C
Cloudy. Windy.
Morning Temperature: 14°C
Cloudy. Windy.
Afternoon Temperature: 14°C
Cloudy with a chance of showers. Windy.
Evening Temperature: 12°C
Cloudy with a chance of showers. Windy at times.





 

  [ Local Weather Report ]
Carryduff, NI 
11:50 AM  16°C
Mostly Cloudy
 
Holywood, NI 
11:50 AM  16°C
Mostly Cloudy
 
Comber, NI 
11:50 AM  16°C
Mostly Cloudy
 
Newtownabbey, NI 
11:50 AM  16°C
Mostly Cloudy
 
Ballygowan, NI 
11:50 AM  16°C
Mostly Cloudy
 
Lisburn, NI 
11:50 AM  16°C
Mostly Cloudy
 
Saintfield, NI 
11:50 AM  16°C
Mostly Cloudy
 
Newtownards, NI 
11:50 AM  16°C
Mostly Cloudy
 
Greenisland, NI 
11:50 AM  16°C
Mostly Cloudy
 
Hillsborough, NI 

This WeatherCity Weather Forecast for Castlereagh, Northern Ireland, United Kingdom 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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