Killyleagh (County Down) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 14° Celsius; -
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 10° Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 6° Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 6° Celsius;
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 7° Celsius;
Sunny intervals changing to cloudy by late morning.
Sunrise:
Sunset:
M UV
L Pollution
No pollen data.
7 day forecast for Killyleagh
Today (18 September 2025)
| Time |
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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
30%
|
40%
|
60%
|
60%
|
80%
|
90%
|
≥95%
|
90%
|
70%
|
50%
|
50%
|
50%
|
40%
|
50%
|
50%
|
| Temperature |
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
| Feels like temperature (°C) |
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
10°
|
11°
|
12°
|
12°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
| Wind direction and speed |
SW
13
|
SW
13
|
SSW
12
|
SSW
11
|
SSW
11
|
SSW
10
|
SSW
9
|
SSW
9
|
SSW
10
|
SSW
9
|
SSW
9
|
S
9
|
S
8
|
S
9
|
SSE
9
|
S
9
|
S
11
|
SSW
11
|
SSW
12
|
SSW
12
|
SSW
13
|
SSW
14
|
| Wind gust (mph) |
28
|
28
|
27
|
27
|
26
|
25
|
25
|
22
|
21
|
18
|
17
|
14
|
14
|
16
|
15
|
20
|
24
|
25
|
25
|
27
|
26
|
29
|
| Visibility |
E
|
E
|
E
|
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
M
|
M
|
M
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
81%
|
83%
|
83%
|
85%
|
86%
|
86%
|
86%
|
85%
|
81%
|
83%
|
84%
|
90%
|
92%
|
94%
|
96%
|
96%
|
96%
|
96%
|
96%
|
96%
|
96%
|
96%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 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 |
50%
|
50%
|
60%
|
50%
|
50%
|
50%
|
40%
|
40%
|
40%
|
40%
|
40%
|
30%
|
30%
|
20%
|
20%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
14°
|
15°
|
15°
|
15°
|
16°
|
16°
|
16°
|
17°
|
16°
|
16°
|
15°
|
14°
|
13°
|
13°
|
12°
|
12°
|
| Feels like temperature (°C) |
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
12°
|
12°
|
11°
|
11°
|
| Wind direction and speed (mph) |
SSW
14
|
SSW
13
|
SSW
13
|
SSW
13
|
SSW
12
|
SSW
12
|
SSW
11
|
SSW
9
|
SSW
9
|
SW
9
|
SW
10
|
SW
11
|
WSW
11
|
WSW
11
|
SW
12
|
SW
12
|
SW
11
|
SW
10
|
SW
9
|
SSW
8
|
SSW
7
|
SSW
7
|
SW
7
|
SW
7
|
| Wind gust (mph) |
26
|
26
|
26
|
26
|
26
|
25
|
21
|
20
|
19
|
19
|
19
|
19
|
19
|
19
|
19
|
17
|
16
|
15
|
12
|
14
|
13
|
14
|
14
|
13
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
VG
|
VG
|
VG
|
| Humidity |
96%
|
96%
|
96%
|
97%
|
96%
|
96%
|
95%
|
94%
|
93%
|
89%
|
85%
|
81%
|
75%
|
68%
|
64%
|
60%
|
64%
|
69%
|
72%
|
76%
|
79%
|
85%
|
86%
|
87%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 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 |
20%
|
20%
|
30%
|
30%
|
30%
|
20%
|
20%
|
30%
|
30%
|
30%
|
30%
|
40%
|
50%
|
50%
|
50%
|
60%
|
60%
|
70%
|
60%
|
60%
|
60%
|
60%
|
60%
|
60%
|
| Temperature (°C) |
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
10°
|
11°
|
12°
|
12°
|
13°
|
13°
|
14°
|
14°
|
14°
|
13°
|
13°
|
12°
|
11°
|
11°
|
10°
|
10°
|
10°
|
| Feels like temperature (°C) |
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
10°
|
11°
|
11°
|
11°
|
12°
|
11°
|
11°
|
11°
|
10°
|
9°
|
9°
|
8°
|
8°
|
7°
|
7°
|
| Wind direction and speed (mph) |
SW
7
|
SW
7
|
SW
6
|
WSW
6
|
W
6
|
W
6
|
W
6
|
W
6
|
WNW
6
|
NW
8
|
NW
8
|
NNW
9
|
NNE
11
|
NNE
11
|
NNE
12
|
N
13
|
N
15
|
N
16
|
N
15
|
NNW
15
|
N
14
|
NNW
15
|
NNW
15
|
NNW
16
|
| Wind gust (mph) |
13
|
13
|
12
|
12
|
12
|
11
|
11
|
11
|
12
|
12
|
12
|
12
|
13
|
15
|
17
|
19
|
21
|
20
|
24
|
20
|
20
|
24
|
27
|
28
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
86%
|
86%
|
87%
|
88%
|
89%
|
91%
|
91%
|
92%
|
89%
|
85%
|
80%
|
76%
|
75%
|
73%
|
74%
|
74%
|
74%
|
75%
|
80%
|
80%
|
86%
|
83%
|
83%
|
84%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 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 |
50%
|
50%
|
50%
|
50%
|
50%
|
50%
|
40%
|
40%
|
50%
|
50%
|
40%
|
30%
|
30%
|
30%
|
30%
|
30%
|
30%
|
30%
|
30%
|
20%
|
20%
|
20%
|
10%
|
10%
|
| Temperature (°C) |
10°
|
9°
|
9°
|
9°
|
8°
|
8°
|
8°
|
8°
|
8°
|
9°
|
10°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
11°
|
10°
|
10°
|
9°
|
9°
|
| Feels like temperature (°C) |
6°
|
6°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
6°
|
7°
|
8°
|
8°
|
9°
|
9°
|
9°
|
9°
|
9°
|
9°
|
8°
|
8°
|
7°
|
7°
|
7°
|
| Wind direction and speed (mph) |
NNW
16
|
N
16
|
NNW
16
|
NNW
15
|
NNW
15
|
NNW
15
|
NNW
14
|
NNW
13
|
NNW
13
|
NNW
14
|
N
15
|
NNW
16
|
N
17
|
N
17
|
N
17
|
N
17
|
N
16
|
N
16
|
NNW
14
|
NNW
12
|
NNW
11
|
NNW
10
|
NNW
10
|
NNW
10
|
| Wind gust (mph) |
30
|
30
|
28
|
30
|
28
|
28
|
28
|
30
|
29
|
32
|
31
|
31
|
33
|
33
|
31
|
32
|
30
|
30
|
27
|
25
|
24
|
25
|
23
|
23
|
| Visibility (description) |
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
86%
|
84%
|
81%
|
81%
|
80%
|
82%
|
82%
|
83%
|
80%
|
75%
|
73%
|
67%
|
60%
|
61%
|
56%
|
56%
|
58%
|
58%
|
64%
|
67%
|
71%
|
73%
|
74%
|
75%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | - | - | - | - |
Monday (22 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 |
10%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
| Temperature (°C) |
9°
|
9°
|
8°
|
7°
|
11°
|
12°
|
12°
|
11°
|
9°
|
| Feels like temperature (°C) |
7°
|
6°
|
6°
|
5°
|
9°
|
10°
|
10°
|
9°
|
7°
|
| Wind direction and speed (mph) |
NNW
10
|
N
9
|
N
8
|
NNW
7
|
N
10
|
NNE
11
|
NNE
11
|
N
9
|
N
7
|
| Wind gust (mph) |
21
|
19
|
16
|
16
|
18
|
18
|
17
|
11
|
9
|
| Visibility (description) |
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
76%
|
77%
|
79%
|
82%
|
66%
|
57%
|
59%
|
73%
|
85%
|
| UV | - | - | - | 1 | 2 | 3 | 1 | 1 | - |
Tuesday (23 September 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
8°
|
8°
|
7°
|
12°
|
14°
|
14°
|
11°
|
10°
|
| Feels like temperature (°C) |
6°
|
6°
|
5°
|
10°
|
12°
|
12°
|
10°
|
8°
|
| Wind direction and speed (mph) |
WNW
7
|
WNW
7
|
WNW
6
|
NW
9
|
NNW
10
|
NNE
10
|
NE
8
|
NE
6
|
| Wind gust (mph) |
8
|
8
|
10
|
15
|
14
|
12
|
9
|
7
|
| Visibility (description) |
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
88%
|
89%
|
91%
|
76%
|
64%
|
62%
|
78%
|
86%
|
| UV | - | - | 1 | 2 | 3 | 1 | 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%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
9°
|
8°
|
8°
|
12°
|
14°
|
14°
|
12°
|
10°
|
| Feels like temperature (°C) |
7°
|
7°
|
6°
|
11°
|
12°
|
13°
|
10°
|
9°
|
| Wind direction and speed (mph) |
SW
6
|
SW
6
|
WSW
6
|
SSW
9
|
SSE
11
|
SSE
10
|
SE
8
|
S
7
|
| Wind gust (mph) |
7
|
6
|
7
|
13
|
14
|
11
|
9
|
7
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
89%
|
92%
|
93%
|
79%
|
66%
|
65%
|
83%
|
92%
|
| UV | - | - | 1 | 2 | 3 | 1 | 1 | - |
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Northern Ireland weather forecast
Headline:
Mainly cloudy. Othbreaks of rain, clearing later.
This Evening and Tonight:
The evening will be dry with clear periods. Cloud will increase from the late evening but the night will stay dry with clear spells. Freshening southwest winds. Minimum temperature 9 °C.
Thursday:
The day will start dry with bright spells, rain will spread north from mid-morning becoming heavy in the south for a time in the afternoon. Drier weather will follow later. Maximum temperature 18 °C.
Outlook for Friday to Sunday:
Mostly dry with sunny spells and the chance of an odd shower Friday. Showers become scattered Saturday but clear later to leave Sunday mainly dry.
Updated: