Belfast weather live forecast

Today's maximum temperature in Belfast is expected to be 48°F. Select a day from the live weather forecast for Belfast, Northern Ireland, UK for more weather parameters.

Tuesday
23rd Dec
48

45

3

0
Wednesday
24th Dec
45

39

2

0
Thursday
25th Dec
43

37

3

0
Friday
26th Dec
43

37

5

0
Saturday
27th Dec
45

39

1

0

5-day weather forecast updated at 04:00 on Tuesday 23rd December 2025 GMT

More about Belfast

Belfast by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Northern Ireland

Fred Olsen: Top cruise offers for 2026/2027

Sale

Explore latest offers on Fred Olsen Cruises in 2026/2027
Find last minute deals or early bird discounts
Filter offers by price, destination, ship & departure point

Go to Fred Olsen deal >>

View all Fred Olsen offers

Cruise deal finder

Destination

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 23rd December 2025

Expect broken clouds in Belfast, Northern Ireland with a maximum temperature of 48°F and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the east.

48
°F maximum temperature
45
°F minimum temperature
broken clouds
3
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
46
°F wind chill
6
mph wind from E

Belfast weather for Wednesday 24th December 2025

Expect broken clouds in Belfast, Northern Ireland with a maximum temperature of 45°F and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the east.

45
°F maximum temperature
39
°F minimum temperature
broken clouds
2
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
41
°F wind chill
7
mph wind from E

Belfast weather for Thursday 25th December 2025

Expect broken clouds in Belfast, Northern Ireland with a maximum temperature of 43°F and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the east.

43
°F maximum temperature
37
°F minimum temperature
broken clouds
3
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
37
°F wind chill
10
mph wind from E

Belfast weather for Friday 26th December 2025

Expect scattered clouds in Belfast, Northern Ireland with a maximum temperature of 43°F and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the north-east.

43
°F maximum temperature
37
°F minimum temperature
scattered clouds
5
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
37
°F wind chill
7
mph wind from NE

Belfast weather for Saturday 27th December 2025

Expect mostly cloudy with light rain in Belfast, Northern Ireland with a maximum temperature of 45°F and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 1% chance of some rain and a gentle breeze of 11 mph from the north-east.