Belfast weather live forecast

Today's maximum temperature in Belfast is expected to be 64°F. Select a day from the live weather forecast for Belfast, Northern Ireland, UK for more weather parameters.

Friday
5th Sep
64

54

3

4
Saturday
6th Sep
66

57

2

2
Sunday
7th Sep
64

55

4

3
Monday
8th Sep
63

54

2

3
Tuesday
9th Sep
61

54

1

2

5-day weather forecast updated at 04:01 on Friday 5th September 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.

Belfast weather forecast by day

Below are the detailed weather forecasts for Belfast for the next 5 days.

Belfast weather for Friday 5th September 2025

Expect broken clouds in Belfast, Northern Ireland with a maximum temperature of 64°F, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

64
°F maximum temperature
54
°F minimum temperature
broken clouds
3
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
9
mph wind from SW

Belfast weather for Saturday 6th September 2025

Expect mostly cloudy with light rain in Belfast, Northern Ireland with a maximum temperature of 66°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a moderate breeze of 14 mph from the south-east.

66
°F maximum temperature
57
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
31
% chance of some rain
<2
mm of rainfall expected
66
°F wind chill
14
mph wind from SE

Belfast weather for Sunday 7th September 2025

Expect mostly cloudy with rain in Belfast, Northern Ireland with a maximum temperature of 64°F, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 96% chance of some rain and a moderate breeze of 17 mph from the south-east.

64
°F maximum temperature
55
°F minimum temperature
mostly cloudy with rain
4
hours of sunshine
3
UV index (Moderate)
96
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
17
mph wind from SE

Belfast weather for Monday 8th September 2025

Expect mostly cloudy with light rain in Belfast, Northern Ireland with a maximum temperature of 63°F, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 66% chance of some rain and a fresh breeze of 18 mph from the south.

63
°F maximum temperature
54
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
3
UV index (Moderate)
66
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
18
mph wind from S

Belfast weather for Tuesday 9th September 2025

Expect mostly cloudy with light rain in Belfast, Northern Ireland with a maximum temperature of 61°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 76% chance of some rain and a moderate breeze of 15 mph from the south.