Antrim weather live forecast

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

Saturday
12th Sep
20

13

3

1
Sunday
13th Sep
17

12

2

3
Monday
14th Sep
20

15

0

2
Tuesday
15th Sep
18

12

3

3
Wednesday
16th Sep
16

11

0

3

5-day weather forecast updated at 04:03 on Thursday 10th September 2026 GMT

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The 5-day weather forecast for Northern Ireland (Antrim) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Antrim weather forecast by day

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

Antrim weather for Saturday 12th September 2026

Expect mostly cloudy with rain in Antrim, Northern Ireland with a maximum temperature of 20°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 57% chance of some rain and a moderate breeze of 27 kph from the south-west.

20
°C maximum temperature
13
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
1
UV index (Low)
57
% chance of some rain
<10
mm of rainfall expected
20
°C wind chill
27
kph wind from SW

Antrim weather for Sunday 13th September 2026

Expect mostly cloudy with light rain in Antrim, Northern Ireland with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 14% chance of some rain and a gentle breeze of 13 kph from the south.

17
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
3
UV index (Moderate)
14
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
13
kph wind from S

Antrim weather for Monday 14th September 2026

Expect mostly cloudy with rain in Antrim, Northern Ireland with a maximum temperature of 20°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 61% chance of some rain and a moderate breeze of 20 kph from the south-west.

20
°C maximum temperature
15
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
2
UV index (Low)
61
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
20
kph wind from SW

Antrim weather for Tuesday 15th September 2026

Expect mostly cloudy with light rain in Antrim, Northern Ireland with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 73% chance of some rain and a moderate breeze of 22 kph from the west.

18
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
3
UV index (Moderate)
73
% chance of some rain
<2
mm of rainfall expected
18
°C wind chill
22
kph wind from W

Antrim weather for Wednesday 16th September 2026

Expect broken clouds in Antrim, Northern Ireland with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.