Northern Ireland weather live forecast

Today's maximum temperature in Northern Ireland is expected to be 20°C. Select a day from the live weather forecast for Northern Ireland (Belfast), UK for more weather parameters.

Sunday
6th Sep
20

16

3

2
Monday
7th Sep
17

13

5

3
Tuesday
8th Sep
16

12

2

2
Wednesday
9th Sep
16

12

5

3
Thursday
10th Sep
19

12

1

2

5-day weather forecast updated at 04:00 on Saturday 5th September 2026 GMT

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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.

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.

21
Londonderry
20
Belfast

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 6th September 2026

Expect mostly cloudy with light rain in Northern Ireland with a maximum temperature of 20°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a moderate breeze of 26 kph from the south.

20
°C maximum temperature
16
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
46
% chance of some rain
<2
mm of rainfall expected
20
°C wind chill
26
kph wind from S

Northern Ireland weather for Monday 7th September 2026

Expect mostly cloudy with light rain in Northern Ireland with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 54% chance of some rain and a moderate breeze of 27 kph from the south-west.

17
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
3
UV index (Moderate)
54
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
27
kph wind from SW

Northern Ireland weather for Tuesday 8th September 2026

Expect mostly cloudy with light rain in Northern Ireland with a maximum temperature of 16°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 72% chance of some rain and a moderate breeze of 27 kph from the west.

16
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
72
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
27
kph wind from W

Northern Ireland weather for Wednesday 9th September 2026

Expect broken clouds in Northern Ireland with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the west.

16
°C maximum temperature
12
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
20
kph wind from W

Northern Ireland weather for Thursday 10th September 2026

Expect broken clouds in Northern Ireland with a maximum temperature of 19°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.