Northern Ireland weather live forecast

Tomorrow's maximum temperature in Northern Ireland is expected to be 18°C.

Sunday
11th May

18

10

3
Monday
12th May

16

11

3
Tuesday
13th May

19

12

15
Wednesday
14th May

18

11

14
Thursday
15th May

21

12

13

5-day weather forecast updated at 04:00 on Sunday 11th May 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.

Top Northern Ireland destinations

Below are temperatures expected today at popular countries, regions and places in Northern Ireland. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

18
Belfast
18
Londonderry

All Northern Ireland destinations

Northern Ireland weather forecast by day

Below are the detailed weather forecasts for Northern Ireland for the next 5 days. The forecasts shown are for Belfast and may not represent the whole of Northern Ireland. Browse more destinations in Northern Ireland to view more weather forecasts.

Northern Ireland weather for Sunday 11th May 2025

Expect mostly cloudy with light rain in Northern Ireland with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 57% chance of some rain and a gentle breeze of 13 kph from the north.

18
°C maximum temperature
10
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
4
UV index (Moderate)
57
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
13
kph wind from N

Northern Ireland weather for Monday 12th May 2025

Expect mostly cloudy with rain in Northern Ireland with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 48% chance of some rain and a gentle breeze of 13 kph from the north.

16
°C maximum temperature
11
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
4
UV index (Moderate)
48
% chance of some rain
<10
mm of rainfall expected
16
°C wind chill
13
kph wind from N

Northern Ireland weather for Tuesday 13th May 2025

Expect clear skies in Northern Ireland with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the east.

19
°C maximum temperature
12
°C minimum temperature
clear skies
15
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from E

Northern Ireland weather for Wednesday 14th May 2025

Expect scattered clouds in Northern Ireland with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.

18
°C maximum temperature
11
°C minimum temperature
scattered clouds
14
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from E

Northern Ireland weather for Thursday 15th May 2025

Expect scattered clouds in Northern Ireland with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-east.