Northern Ireland weather live forecast

Today's maximum temperature in Northern Ireland is expected to be 18°C. Select a day from the live weather forecast for Northern Ireland (Belfast), UK for more weather parameters.

Sunday
30th Aug
18

14

2

2
Monday
31st Aug
18

14

5

3
Tuesday
1st Sep
19

13

2

3
Wednesday
2nd Sep
19

14

6

3
Thursday
3rd Sep
19

13

0

3

5-day weather forecast updated at 04:00 on Saturday 29th August 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.

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 30th August 2026

Expect isolated thunderstorms in Northern Ireland with a maximum temperature of 18°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 98% chance of some rain and a gentle breeze of 13 kph from the south-east.

18
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
2
UV index (Low)
98
% chance of some rain
<10
mm of rainfall expected
18
°C wind chill
13
kph wind from SE

Northern Ireland weather for Monday 31st August 2026

Expect broken clouds in Northern Ireland with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-west.

18
°C maximum temperature
14
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
21
kph wind from NW

Northern Ireland weather for Tuesday 1st September 2026

Expect mostly cloudy with light rain in Northern Ireland with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 18 kph from the south-west.

19
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
3
UV index (Moderate)
53
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
18
kph wind from SW

Northern Ireland weather for Wednesday 2nd September 2026

Expect sunshine and showers in Northern Ireland with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 67% chance of some rain and a gentle breeze of 19 kph from the south-west.

19
°C maximum temperature
14
°C minimum temperature
sunshine and showers
6
hours of sunshine
3
UV index (Moderate)
67
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
19
kph wind from SW

Northern Ireland weather for Thursday 3rd September 2026

Expect mostly cloudy with light rain in Northern Ireland with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 79% chance of some rain and a moderate breeze of 20 kph from the south-west.