Northern Ireland weather live forecast

Today's maximum temperature in Northern Ireland is expected to be 13°C. Select a day from the live weather forecast for Northern Ireland (Belfast), UK for more weather parameters.

Saturday
16th May
13

5

2

2
Sunday
17th May
12

7

1

2
Monday
18th May
13

6

2

4
Tuesday
19th May
15

11

1

3
Wednesday
20th May
17

11

4

4

5-day weather forecast updated at 04:00 on Saturday 16th May 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.

13
Belfast
12
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 Saturday 16th May 2026

Expect mostly cloudy with light rain in Northern Ireland with a maximum temperature of 13°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 86% chance of some rain and a gentle breeze of 15 kph from the south-west.

13
°C maximum temperature
5
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
86
% chance of some rain
<5
mm of rainfall expected
13
°C wind chill
15
kph wind from SW

Northern Ireland weather for Sunday 17th May 2026

Expect isolated thunderstorms in Northern Ireland with a maximum temperature of 12°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 94% chance of some rain and a gentle breeze of 18 kph from the west.

12
°C maximum temperature
7
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
2
UV index (Low)
94
% chance of some rain
<5
mm of rainfall expected
12
°C wind chill
18
kph wind from W

Northern Ireland weather for Monday 18th May 2026

Expect mostly cloudy with light rain in Northern Ireland with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 81% chance of some rain and a moderate breeze of 22 kph from the south-east.

13
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
4
UV index (Moderate)
81
% chance of some rain
<5
mm of rainfall expected
13
°C wind chill
22
kph wind from SE

Northern Ireland weather for Tuesday 19th May 2026

Expect cloudy with some rain in Northern Ireland with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 87% chance of some rain and a moderate breeze of 23 kph from the south-east.

15
°C maximum temperature
11
°C minimum temperature
cloudy with some rain
1
hour of sunshine
3
UV index (Moderate)
87
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
23
kph wind from SE

Northern Ireland weather for Wednesday 20th May 2026

Expect mostly cloudy with light rain in Northern Ireland with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 50% chance of some rain and a gentle breeze of 18 kph from the west.