Belfast weather live forecast

Today's maximum temperature in Belfast is expected to be 6°C. Select a day from the live weather forecast for Belfast, Northern Ireland, UK for more weather parameters.

Tuesday
16th Dec
6

2

4

0
Wednesday
17th Dec
11

6

1

0
Thursday
18th Dec
10

5

1

0
Friday
19th Dec
9

6

3

0
Saturday
20th Dec
10

5

3

0

5-day weather forecast updated at 04:00 on Tuesday 16th December 2025 GMT

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The 5-day weather forecast for Northern Ireland (Belfast) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Belfast weather forecast by day

Below are the detailed weather forecasts for Belfast for the next 5 days.

Belfast weather for Tuesday 16th December 2025

Expect broken clouds in Belfast, Northern Ireland with a maximum temperature of 6°C and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

6
°C maximum temperature
2
°C minimum temperature
broken clouds
4
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
3
°C wind chill
14
kph wind from SW

Belfast weather for Wednesday 17th December 2025

Expect mostly cloudy with rain in Belfast, Northern Ireland with a maximum temperature of 11°C and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 69% chance of some rain and a fresh breeze of 29 kph from the south.

11
°C maximum temperature
6
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
0
UV index (None)
69
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
29
kph wind from S

Belfast weather for Thursday 18th December 2025

Expect mostly cloudy with light rain in Belfast, Northern Ireland with a maximum temperature of 10°C and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 82% chance of some rain and a moderate breeze of 24 kph from the south-west.

10
°C maximum temperature
5
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
0
UV index (None)
82
% chance of some rain
<5
mm of rainfall expected
7
°C wind chill
24
kph wind from SW

Belfast weather for Friday 19th December 2025

Expect mostly cloudy with light rain in Belfast, Northern Ireland with a maximum temperature of 9°C and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 48% chance of some rain and a moderate breeze of 26 kph from the south-west.

9
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
0
UV index (None)
48
% chance of some rain
<2
mm of rainfall expected
6
°C wind chill
26
kph wind from SW

Belfast weather for Saturday 20th December 2025

Expect mostly cloudy with light rain in Belfast, Northern Ireland with a maximum temperature of 10°C and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 53% chance of some rain and a moderate breeze of 24 kph from the south-west.