Belfast weather live forecast

Today's maximum temperature in Belfast is expected to be 12°C. Select a day from the live weather forecast for Belfast, Northern Ireland, UK for more weather parameters.

Saturday
9th May
12

7

10

5
Sunday
10th May
13

5

9

3
Monday
11th May
13

8

5

5
Tuesday
12th May
15

9

6

4
Wednesday
13th May
13

9

6

4

5-day weather forecast updated at 04:00 on Saturday 9th May 2026 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 Saturday 9th May 2026

Expect scattered clouds in Belfast, Northern Ireland with a maximum temperature of 12°C, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north.

12
°C maximum temperature
7
°C minimum temperature
scattered clouds
10
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
22
kph wind from N

Belfast weather for Sunday 10th May 2026

Expect broken clouds in Belfast, Northern Ireland with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north.

13
°C maximum temperature
5
°C minimum temperature
broken clouds
9
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
16
kph wind from N

Belfast weather for Monday 11th May 2026

Expect broken clouds in Belfast, Northern Ireland with a maximum temperature of 13°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-west.

13
°C maximum temperature
8
°C minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
15
kph wind from NW

Belfast weather for Tuesday 12th May 2026

Expect broken clouds in Belfast, Northern Ireland with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the west.

15
°C maximum temperature
9
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
22
kph wind from W

Belfast weather for Wednesday 13th May 2026

Expect mostly cloudy with light rain in Belfast, Northern Ireland with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 75% chance of some rain and a moderate breeze of 25 kph from the north-west.