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December 20th, 2025 :: 11:41 pm GMT   

Local Weather Report for
Castlereagh
Northern Ireland, United Kingdom

 Current Castlereagh Weather Conditions Updated December 20th at 10:50 pm 
light rain showers
Temperature:8°C Dew Point:6°C
Barometer:100.3 kPa Wind:N 31 Km/h
Humidity:87.2% Visibility:n/a
 
 Castlereagh Weather Forecast Summary  
 
Today
Dec 20th
Sunday
Dec 21st
Monday
Dec 22nd
Tuesday
Dec 23rd
Wednesday
Dec 24th
Cloudy Showers Showers Cloudy Cloudy
10°C
10°C
10°C
10°C
9°C
10°C
8°C
9°C
7°C
 
 Castlereagh Detailed Weather Forecast  
 
Sunday, December 21st, 2025
Overnight Temperature: 10°C
Cloudy with showers likely. Wind 40 to 60 km/h.
Morning Temperature: 10°C
Cloudy with a chance of showers. Windy.
Afternoon Temperature: 10°C
Cloudy. Windy.
Evening Temperature: 10°C
Cloudy. Windy.
Monday, December 22nd, 2025
Overnight Temperature: 10°C
Cloudy with a few showers. Windy.
Morning Temperature: 10°C
Cloudy. Windy.
Afternoon Temperature: 10°C
A mix of cloud and sun.
Evening Temperature: 10°C
A mix of cloudy and clear skies.
Tuesday, December 23rd, 2025
Overnight Temperature: 10°C
Cloudy.
Morning Temperature: 9°C
Sunny with cloudy periods with a slight chance of showers. Windy.
Afternoon Temperature: 9°C
Sunny. Windy.
Evening Temperature: 9°C
Clear with cloudy periods. Wind 30 to 50 km/h.
Wednesday, December 24th, 2025
Overnight Temperature: 9°C
Cloudy with a slight chance of showers. Wind 30 to 50 km/h.
Morning Temperature: 9°C
Cloudy with a chance of showers. Windy.
Afternoon Temperature: 9°C
Cloudy. Windy.
Evening Temperature: 7°C
Cloudy. Wind 30 to 50 km/h.
Thursday, December 25th, 2025
Overnight Temperature: 7°C
Clear. Windy.
Morning Temperature: 6°C
Cloudy. Windy.
Afternoon Temperature: 6°C
Cloudy. Windy at times.
Evening Temperature: 7°C
A mix of cloudy and clear skies. Windy.
Friday, December 26th, 2025
Overnight Temperature: 7°C
Mostly clear. Windy.
Morning Temperature: 7°C
Sunny. Windy.
Afternoon Temperature: 7°C
Sunny. Windy.
Evening Temperature: 7°C
Clear with cloudy periods. Wind 30 to 50 km/h.
Saturday, December 27th, 2025
Overnight Temperature: 8°C
Cloudy. Wind 30 to 50 km/h.
Morning Temperature: 9°C
A mix of cloud and sun. Wind 30 to 50 km/h.
Afternoon Temperature: 8°C
Mostly sunny. Windy.
Evening Temperature: 8°C
Clear with cloudy periods. Windy.
Sunday, December 28th, 2025
Overnight Temperature: 8°C
Clear. Windy.
Morning Temperature: 8°C
Sunny with cloudy periods. Windy.
Afternoon Temperature: 8°C
A mix of cloud and sun. Windy at times.
Evening Temperature: 8°C
A mix of cloudy and clear skies. Windy at times.





 

  [ Local Weather Report ]
Carryduff, NI 
 
Holywood, NI 
10:50 PM  8°C
light rain showers
 
Comber, NI 
 
Newtownabbey, NI 
10:50 PM  8°C
light rain showers
 
Ballygowan, NI 
 
Lisburn, NI 
 
Saintfield, NI 
 
Newtownards, NI 
 
Greenisland, NI 
10:50 PM  8°C
light rain showers
 
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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