Belfast weather live forecast

Today's maximum temperature in Belfast is expected to be 8°C. Select a day from the live weather forecast for Belfast, Northern Ireland, UK for more weather parameters.

Friday
12th Dec
8

3

5

0
Saturday
13th Dec
11

6

0

0
Sunday
14th Dec
13

10

0

0
Monday
15th Dec
10

6

0

0
Tuesday
16th Dec
7

3

4

0

5-day weather forecast updated at 04:00 on Friday 12th 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 Friday 12th December 2025

Expect scattered clouds in Belfast, Northern Ireland with a maximum temperature of 8°C and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

8
°C maximum temperature
3
°C minimum temperature
scattered clouds
5
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
5
°C wind chill
17
kph wind from SW

Belfast weather for Saturday 13th December 2025

Expect mostly cloudy with light rain in Belfast, Northern Ireland with a maximum temperature of 11°C and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 68% chance of some rain and a fresh breeze of 30 kph from the south-west.

11
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
68
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
30
kph wind from SW

Belfast weather for Sunday 14th December 2025

Expect mostly cloudy with rain in Belfast, Northern Ireland with a maximum temperature of 13°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 81% chance of some rain and a moderate breeze of 26 kph from the south-west.

13
°C maximum temperature
10
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
81
% chance of some rain
<10
mm of rainfall expected
13
°C wind chill
26
kph wind from SW

Belfast weather for Monday 15th December 2025

Expect mostly cloudy with light rain in Belfast, Northern Ireland with a maximum temperature of 10°C and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 42% chance of some rain and a gentle breeze of 13 kph from the west.

10
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
42
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
13
kph wind from W

Belfast weather for Tuesday 16th December 2025

Expect broken clouds in Belfast, Northern Ireland with a maximum temperature of 7°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.