Northern Ireland weather live forecast

Today's maximum temperature in Northern Ireland is expected to be 66°F. Select a day from the live weather forecast for Northern Ireland (Belfast), UK for more weather parameters.

Tuesday
1st Sep
66

57

1

2
Wednesday
2nd Sep
68

59

2

2
Thursday
3rd Sep
68

61

1

1
Friday
4th Sep
64

55

6

3
Saturday
5th Sep
66

52

2

3

5-day weather forecast updated at 04:00 on Tuesday 1st 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.

66
Belfast
63
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 Tuesday 1st September 2026

Expect mostly cloudy with rain in Northern Ireland with a maximum temperature of 66°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 79% chance of some rain and a moderate breeze of 14 mph from the south-west.

66
°F maximum temperature
57
°F minimum temperature
mostly cloudy with rain
1
hour of sunshine
2
UV index (Low)
79
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
14
mph wind from SW

Northern Ireland weather for Wednesday 2nd September 2026

Expect mostly cloudy with rain in Northern Ireland with a maximum temperature of 68°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 71% chance of some rain and a gentle breeze of 11 mph from the south-west.

68
°F maximum temperature
59
°F minimum temperature
mostly cloudy with rain
2
hours of sunshine
2
UV index (Low)
71
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
11
mph 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 68°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 75% chance of some rain and a gentle breeze of 11 mph from the south-west.

68
°F maximum temperature
61
°F minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
75
% chance of some rain
<5
mm of rainfall expected
68
°F wind chill
11
mph wind from SW

Northern Ireland weather for Friday 4th September 2026

Expect broken clouds in Northern Ireland with a maximum temperature of 64°F, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 15 mph from the west.

64
°F maximum temperature
55
°F minimum temperature
broken clouds
6
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
15
mph wind from W

Northern Ireland weather for Saturday 5th September 2026

Expect broken clouds in Northern Ireland with a maximum temperature of 66°F, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the west.