Dun Laoghaire (Ireland) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 14° Celsius; -
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 12° Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 8° Celsius; -
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 8° Celsius; -
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 7° Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 8° Celsius;
Light rain changing to cloudy in the afternoon.
Sunrise:
Sunset:
M UV
No pollution data.
No pollen data.
7 day forecast for Dun Laoghaire
Today (18 September 2025)
| Time |
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
 |
 |
|
|
|
|
|
 |
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
20%
|
60%
|
70%
|
70%
|
80%
|
60%
|
60%
|
50%
|
50%
|
40%
|
40%
|
50%
|
40%
|
40%
|
40%
|
40%
|
50%
|
| Temperature |
13°
|
13°
|
13°
|
13°
|
13°
|
14°
|
15°
|
16°
|
17°
|
18°
|
19°
|
19°
|
19°
|
19°
|
19°
|
18°
|
18°
|
17°
|
17°
|
| Feels like temperature (°C) |
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
13°
|
14°
|
16°
|
17°
|
17°
|
18°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
| Wind direction and speed |
SW
10
|
SSW
9
|
S
8
|
SSE
8
|
SSE
8
|
SE
9
|
SE
10
|
SSE
11
|
SSE
12
|
S
13
|
SSW
13
|
S
14
|
S
14
|
S
14
|
S
13
|
S
13
|
S
13
|
SSE
12
|
SSE
12
|
| Wind gust (mph) |
18
|
18
|
16
|
16
|
15
|
15
|
17
|
23
|
27
|
30
|
32
|
30
|
30
|
31
|
28
|
29
|
28
|
27
|
25
|
| Visibility |
E
|
E
|
E
|
VG
|
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
75%
|
75%
|
75%
|
76%
|
78%
|
83%
|
88%
|
91%
|
90%
|
88%
|
87%
|
86%
|
85%
|
85%
|
86%
|
88%
|
90%
|
91%
|
91%
|
| UV | - | - | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Friday (19 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
60%
|
60%
|
70%
|
60%
|
60%
|
60%
|
50%
|
50%
|
40%
|
40%
|
40%
|
50%
|
40%
|
50%
|
40%
|
50%
|
50%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
50%
|
| Temperature (°C) |
17°
|
17°
|
17°
|
17°
|
17°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
16°
|
16°
|
16°
|
17°
|
17°
|
16°
|
16°
|
16°
|
15°
|
15°
|
14°
|
14°
|
14°
|
| Feels like temperature (°C) |
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
| Wind direction and speed (mph) |
SE
11
|
SSE
11
|
SSE
10
|
SSE
10
|
S
10
|
S
10
|
SSW
10
|
SSW
9
|
SW
8
|
SW
8
|
SW
8
|
SW
9
|
WSW
8
|
SW
9
|
SW
9
|
SW
9
|
SW
9
|
SW
9
|
SW
8
|
WSW
8
|
WSW
7
|
WSW
7
|
W
6
|
WSW
6
|
| Wind gust (mph) |
24
|
22
|
21
|
22
|
22
|
21
|
20
|
17
|
15
|
15
|
15
|
15
|
13
|
13
|
14
|
14
|
11
|
11
|
11
|
10
|
9
|
9
|
9
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
91%
|
91%
|
92%
|
92%
|
91%
|
90%
|
90%
|
87%
|
85%
|
82%
|
79%
|
77%
|
76%
|
75%
|
74%
|
75%
|
76%
|
76%
|
78%
|
77%
|
78%
|
79%
|
79%
|
79%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Saturday (20 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
50%
|
50%
|
50%
|
50%
|
50%
|
50%
|
50%
|
50%
|
50%
|
60%
|
60%
|
60%
|
70%
|
80%
|
80%
|
80%
|
80%
|
80%
|
80%
|
80%
|
80%
|
80%
|
80%
|
70%
|
| Temperature (°C) |
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
12°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
12°
|
11°
|
| Feels like temperature (°C) |
13°
|
13°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
8°
|
8°
|
| Wind direction and speed (mph) |
W
6
|
WNW
7
|
NW
8
|
NW
8
|
NW
8
|
NW
8
|
NW
8
|
WNW
8
|
NNW
9
|
NNW
10
|
N
11
|
N
11
|
NNE
12
|
NNE
13
|
NE
15
|
NNE
16
|
NNE
17
|
N
17
|
NNE
16
|
NNW
16
|
NNW
16
|
NW
18
|
NNW
20
|
NNW
22
|
| Wind gust (mph) |
12
|
11
|
12
|
12
|
12
|
12
|
11
|
12
|
13
|
13
|
13
|
15
|
15
|
17
|
19
|
19
|
17
|
18
|
16
|
17
|
19
|
20
|
22
|
23
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
79%
|
80%
|
81%
|
81%
|
80%
|
84%
|
85%
|
85%
|
87%
|
86%
|
86%
|
85%
|
84%
|
85%
|
83%
|
84%
|
83%
|
82%
|
81%
|
83%
|
84%
|
85%
|
85%
|
84%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - |
Sunday (21 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
 |
|
|
|
 |
|
|
|
|
|
|
|
| Chance of precipitation |
70%
|
60%
|
60%
|
60%
|
60%
|
50%
|
50%
|
50%
|
40%
|
40%
|
40%
|
40%
|
50%
|
50%
|
60%
|
60%
|
50%
|
50%
|
50%
|
40%
|
40%
|
30%
|
30%
|
30%
|
| Temperature (°C) |
11°
|
11°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
9°
|
10°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
| Feels like temperature (°C) |
7°
|
7°
|
6°
|
6°
|
5°
|
5°
|
5°
|
4°
|
4°
|
5°
|
6°
|
7°
|
8°
|
8°
|
9°
|
9°
|
9°
|
9°
|
9°
|
8°
|
8°
|
8°
|
8°
|
7°
|
| Wind direction and speed (mph) |
NNW
24
|
NNW
24
|
NNW
24
|
NNW
25
|
NNW
25
|
NNW
24
|
NNW
24
|
NNW
23
|
NNW
22
|
NNW
21
|
NNW
21
|
NNW
21
|
N
21
|
N
21
|
N
20
|
N
20
|
N
20
|
N
20
|
N
21
|
N
21
|
N
20
|
N
20
|
N
19
|
N
19
|
| Wind gust (mph) |
30
|
31
|
33
|
31
|
31
|
31
|
33
|
33
|
33
|
34
|
34
|
35
|
35
|
33
|
33
|
33
|
33
|
30
|
28
|
26
|
27
|
28
|
29
|
28
|
| Visibility (description) |
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
84%
|
83%
|
83%
|
83%
|
81%
|
81%
|
82%
|
82%
|
80%
|
78%
|
75%
|
70%
|
70%
|
68%
|
68%
|
66%
|
66%
|
63%
|
64%
|
62%
|
66%
|
67%
|
68%
|
71%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Monday (22 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
 |
|
|
| Chance of precipitation |
30%
|
30%
|
30%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
<5%
|
<5%
|
– | – | – |
| Temperature (°C) |
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
10°
|
11°
|
12°
|
12°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
11°
|
11°
|
11°
|
| Feels like temperature (°C) |
7°
|
7°
|
7°
|
7°
|
7°
|
6°
|
6°
|
6°
|
6°
|
7°
|
8°
|
9°
|
10°
|
10°
|
10°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
8°
|
| Wind direction and speed (mph) |
NNW
18
|
N
18
|
N
17
|
N
16
|
NNW
16
|
NNW
15
|
NNW
15
|
NNW
15
|
NNW
14
|
NNW
14
|
NNW
14
|
N
15
|
N
15
|
NNE
15
|
NNE
14
|
NNE
14
|
NE
13
|
NE
13
|
NNE
13
|
NNE
12
|
N
11
|
NNE
11
|
NNE
11
|
– |
| Wind gust (mph) |
28
|
27
|
26
|
25
|
24
|
24
|
23
|
22
|
21
|
23
|
22
|
22
|
21
|
20
|
19
|
17
|
17
|
13
|
14
|
13
|
12
|
– | – | – |
| Visibility (description) |
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
74%
|
74%
|
74%
|
74%
|
74%
|
74%
|
74%
|
74%
|
73%
|
73%
|
71%
|
66%
|
64%
|
60%
|
59%
|
58%
|
58%
|
58%
|
59%
|
59%
|
59%
|
59%
|
65%
|
66%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | - | - | - | - |
Tuesday (23 September 2025)
| Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
| Chance of precipitation | – |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
10°
|
10°
|
8°
|
8°
|
11°
|
13°
|
14°
|
13°
|
12°
|
| Feels like temperature (°C) |
8°
|
7°
|
6°
|
5°
|
9°
|
11°
|
12°
|
11°
|
10°
|
| Wind direction and speed (mph) | – |
NNW
10
|
NW
9
|
NW
9
|
NW
10
|
NNW
11
|
N
10
|
N
9
|
NNW
9
|
| Wind gust (mph) | – |
13
|
12
|
11
|
10
|
12
|
10
|
10
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
67%
|
69%
|
73%
|
76%
|
76%
|
70%
|
65%
|
67%
|
68%
|
| UV | - | - | - | 1 | 2 | 4 | 2 | 1 | - |
Wednesday (24 September 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
| Temperature (°C) |
10°
|
9°
|
9°
|
12°
|
14°
|
15°
|
13°
|
12°
|
| Feels like temperature (°C) |
9°
|
8°
|
7°
|
10°
|
12°
|
13°
|
12°
|
10°
|
| Wind direction and speed (mph) |
NNW
8
|
NW
7
|
NNW
7
|
NNW
9
|
E
10
|
E
10
|
ESE
9
|
SSE
8
|
| Wind gust (mph) |
8
|
8
|
9
|
10
|
11
|
11
|
10
|
9
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
68%
|
70%
|
71%
|
73%
|
69%
|
69%
|
70%
|
74%
|
| UV | - | - | 1 | 2 | 4 | 2 | 1 | - |
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Forecast for 05:00 (UTC+1), Thu
Updated 03:24 (UTC+1) on Thu 18 Sep 2025
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