Larne weather live forecast

Today's maximum temperature in Larne is expected to be 15°C. Select a day from the live weather forecast for Larne, Northern Ireland, UK for more weather parameters.

Sunday
20th Sep
15

9

6

3
Monday
21st Sep
20

12

2

3
Tuesday
22nd Sep
19

14

3

1
Wednesday
23rd Sep
14

10

7

2
Thursday
24th Sep
17

9

3

2

5-day weather forecast updated at 04:03 on Sunday 20th September 2026 GMT

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

Larne weather forecast by day

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

Larne weather for Sunday 20th September 2026

Expect broken clouds in Larne, Northern Ireland with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the west.

15
°C maximum temperature
9
°C minimum temperature
broken clouds
6
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
26
kph wind from W

Larne weather for Monday 21st September 2026

Expect broken clouds in Larne, Northern Ireland with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.

20
°C maximum temperature
12
°C minimum temperature
broken clouds
2
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from SW

Larne weather for Tuesday 22nd September 2026

Expect mostly cloudy with light rain in Larne, Northern Ireland with a maximum temperature of 19°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 60% chance of some rain and a gentle breeze of 15 kph from the south-west.

19
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
1
UV index (Low)
60
% chance of some rain
<5
mm of rainfall expected
19
°C wind chill
15
kph wind from SW

Larne weather for Wednesday 23rd September 2026

Expect sunshine and showers in Larne, Northern Ireland with a maximum temperature of 14°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 10-20 mm of rainfall expected with 49% chance of some rain and a gentle breeze of 17 kph from the north-west.

14
°C maximum temperature
10
°C minimum temperature
sunshine and showers
7
hours of sunshine
2
UV index (Low)
49
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
17
kph wind from NW

Larne weather for Thursday 24th September 2026

Expect broken clouds in Larne, Northern Ireland with a maximum temperature of 17°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south.