Slieveavaddy (County Londonderry) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 13 degrees Celsius; Minimum nighttime temperature: 7 degrees Celsius; -
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 10 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius; -
Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 8 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius; -
Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 8 degrees Celsius; Minimum nighttime temperature: 3 degrees Celsius; -
Maximum daytime temperature: 8° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 8 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius;
-
Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 9 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius; -
Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 9 degrees Celsius; Minimum nighttime temperature: 5 degrees Celsius;
Overcast changing to light rain by early evening.
Sunrise:
Sunset:
L UV
L Pollution
No pollen data.
7 day forecast for Slieveavaddy
Today (14 October 2026)
| Time |
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%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
30%
|
50%
|
70%
|
80%
|
90%
|
≥95%
|
≥95%
|
≥95%
|
| Temperature |
10°
|
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
11°
|
| Feels like temperature (°C) |
6°
|
6°
|
7°
|
7°
|
7°
|
7°
|
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
7°
|
7°
|
| Wind direction and speed |
SSW
25
|
SSW
26
|
SSW
26
|
SSW
26
|
SSW
26
|
SSW
26
|
SSW
26
|
SSW
26
|
SSW
26
|
SSW
25
|
SSW
24
|
SSW
24
|
SSW
24
|
SSW
22
|
| Wind gust (mph) |
40
|
42
|
43
|
44
|
43
|
43
|
42
|
41
|
40
|
38
|
37
|
36
|
35
|
34
|
| Visibility |
P
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
P
|
P
|
P
|
P
|
P
|
P
|
| Humidity |
94%
|
87%
|
85%
|
84%
|
84%
|
84%
|
86%
|
87%
|
88%
|
92%
|
92%
|
94%
|
95%
|
96%
|
| UV | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Thursday (15 October 2026)
| 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 |
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
90%
|
90%
|
90%
|
70%
|
50%
|
30%
|
20%
|
10%
|
20%
|
30%
|
30%
|
30%
|
50%
|
60%
|
60%
|
60%
|
60%
|
60%
|
60%
|
| Temperature (°C) |
11°
|
11°
|
11°
|
10°
|
9°
|
9°
|
9°
|
7°
|
7°
|
7°
|
7°
|
8°
|
8°
|
8°
|
9°
|
9°
|
9°
|
8°
|
7°
|
7°
|
6°
|
5°
|
5°
|
5°
|
| Feels like temperature (°C) |
7°
|
7°
|
7°
|
7°
|
6°
|
6°
|
6°
|
4°
|
3°
|
3°
|
3°
|
4°
|
4°
|
5°
|
6°
|
5°
|
5°
|
5°
|
4°
|
3°
|
2°
|
1°
|
1°
|
1°
|
| Wind direction and speed (mph) |
SW
22
|
SW
19
|
WSW
19
|
WSW
18
|
W
16
|
W
15
|
W
14
|
W
13
|
W
11
|
W
11
|
W
13
|
W
14
|
W
14
|
W
15
|
W
15
|
W
17
|
W
16
|
WSW
14
|
W
13
|
WSW
13
|
WSW
11
|
W
11
|
W
11
|
W
11
|
| Wind gust (mph) |
33
|
31
|
22
|
20
|
18
|
16
|
15
|
14
|
13
|
14
|
15
|
17
|
18
|
21
|
21
|
21
|
21
|
18
|
15
|
15
|
14
|
15
|
15
|
15
|
| Visibility (description) |
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
P
|
M
|
M
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
M
|
| Humidity |
96%
|
96%
|
96%
|
96%
|
96%
|
97%
|
96%
|
96%
|
95%
|
95%
|
92%
|
88%
|
85%
|
82%
|
78%
|
75%
|
73%
|
75%
|
80%
|
85%
|
87%
|
89%
|
92%
|
91%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Friday (16 October 2026)
| 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%
|
60%
|
70%
|
70%
|
70%
|
70%
|
70%
|
60%
|
70%
|
70%
|
80%
|
80%
|
70%
|
70%
|
60%
|
60%
|
50%
|
40%
|
30%
|
40%
|
30%
|
30%
|
| Temperature (°C) |
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
5°
|
5°
|
6°
|
7°
|
7°
|
7°
|
7°
|
7°
|
5°
|
5°
|
5°
|
4°
|
4°
|
4°
|
| Feels like temperature (°C) |
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
-1°
|
-1°
|
0°
|
0°
|
1°
|
2°
|
3°
|
4°
|
3°
|
3°
|
3°
|
1°
|
1°
|
1°
|
0°
|
0°
|
1°
|
| Wind direction and speed (mph) |
W
12
|
W
13
|
W
12
|
W
12
|
W
11
|
W
11
|
W
13
|
W
14
|
W
14
|
W
13
|
W
14
|
WNW
14
|
WNW
14
|
WNW
15
|
NW
15
|
NW
15
|
NW
15
|
NW
14
|
WNW
14
|
WNW
13
|
WNW
13
|
WNW
11
|
WNW
11
|
WNW
10
|
| Wind gust (mph) |
16
|
16
|
15
|
16
|
16
|
16
|
17
|
16
|
16
|
17
|
19
|
21
|
22
|
22
|
24
|
24
|
22
|
18
|
16
|
15
|
14
|
13
|
13
|
12
|
| Visibility (description) |
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
92%
|
92%
|
92%
|
92%
|
93%
|
94%
|
92%
|
91%
|
91%
|
88%
|
86%
|
84%
|
83%
|
78%
|
77%
|
76%
|
77%
|
77%
|
82%
|
85%
|
84%
|
85%
|
85%
|
85%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Saturday (17 October 2026)
| 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%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
5°
|
7°
|
7°
|
8°
|
8°
|
8°
|
7°
|
7°
|
5°
|
4°
|
4°
|
4°
|
4°
|
4°
|
| Feels like temperature (°C) |
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
1°
|
0°
|
0°
|
1°
|
3°
|
4°
|
5°
|
6°
|
6°
|
5°
|
5°
|
5°
|
3°
|
2°
|
1°
|
1°
|
1°
|
1°
|
| Wind direction and speed (mph) |
WNW
10
|
NW
10
|
NW
10
|
NW
9
|
NW
9
|
NW
9
|
NNW
9
|
NNW
9
|
NNW
8
|
N
8
|
NNE
7
|
NE
7
|
ENE
7
|
E
7
|
E
8
|
E
8
|
ESE
8
|
ESE
7
|
ESE
7
|
ESE
6
|
ESE
7
|
ESE
7
|
ESE
7
|
SE
7
|
| Wind gust (mph) |
12
|
12
|
11
|
11
|
11
|
10
|
10
|
10
|
9
|
9
|
8
|
9
|
11
|
11
|
11
|
10
|
10
|
9
|
10
|
10
|
9
|
9
|
8
|
8
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
84%
|
85%
|
85%
|
85%
|
85%
|
84%
|
84%
|
84%
|
83%
|
82%
|
75%
|
70%
|
65%
|
64%
|
63%
|
61%
|
63%
|
66%
|
79%
|
82%
|
82%
|
83%
|
84%
|
83%
|
| UV | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Sunday (18 October 2026)
| 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
| Temperature (°C) |
4°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
4°
|
5°
|
5°
|
6°
|
7°
|
7°
|
7°
|
7°
|
7°
|
6°
|
5°
|
5°
|
4°
|
4°
|
4°
|
| Feels like temperature (°C) |
1°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
1°
|
2°
|
3°
|
4°
|
4°
|
5°
|
5°
|
4°
|
4°
|
3°
|
3°
|
2°
|
2°
|
2°
|
2°
|
| Wind direction and speed (mph) |
SE
7
|
SE
7
|
SSE
7
|
SSE
7
|
SSE
8
|
S
8
|
SE
8
|
SW
8
|
S
7
|
SSW
7
|
SSE
6
|
SSE
7
|
SSE
9
|
S
9
|
S
9
|
S
9
|
S
9
|
S
8
|
S
7
|
S
7
|
SSW
7
|
SSW
7
|
SSW
7
|
S
7
|
| Wind gust (mph) |
8
|
8
|
9
|
8
|
9
|
9
|
9
|
9
|
8
|
8
|
8
|
11
|
13
|
13
|
14
|
12
|
11
|
9
|
8
|
9
|
9
|
9
|
8
|
8
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
P
|
P
|
P
|
P
|
| Humidity |
83%
|
83%
|
83%
|
82%
|
83%
|
83%
|
83%
|
84%
|
84%
|
82%
|
75%
|
71%
|
67%
|
65%
|
64%
|
63%
|
64%
|
68%
|
79%
|
84%
|
86%
|
86%
|
88%
|
89%
|
| UV | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - |
Monday (19 October 2026)
| 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%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
4°
|
4°
|
4°
|
4°
|
5°
|
8°
|
8°
|
5°
|
5°
|
| Feels like temperature (°C) |
2°
|
2°
|
1°
|
1°
|
3°
|
5°
|
5°
|
2°
|
1°
|
| Wind direction and speed (mph) |
S
7
|
S
7
|
S
7
|
S
7
|
SSE
8
|
S
10
|
S
10
|
SSE
10
|
SSE
10
|
| Wind gust (mph) |
8
|
8
|
8
|
7
|
11
|
14
|
12
|
11
|
11
|
| Visibility (description) |
P
|
P
|
P
|
VP
|
P
|
M
|
M
|
P
|
VP
|
| Humidity |
90%
|
91%
|
94%
|
96%
|
88%
|
76%
|
75%
|
92%
|
95%
|
| UV | - | - | - | - | 1 | 2 | 1 | - | - |
Tuesday (20 October 2026)
| 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%
|
10%
|
10%
|
20%
|
| Temperature (°C) |
4°
|
4°
|
4°
|
6°
|
8°
|
8°
|
6°
|
6°
|
| Feels like temperature (°C) |
1°
|
1°
|
1°
|
3°
|
4°
|
5°
|
3°
|
2°
|
| Wind direction and speed (mph) |
SSE
10
|
SSE
10
|
SSE
11
|
SSE
11
|
SSE
12
|
SE
11
|
ESE
11
|
SE
10
|
| Wind gust (mph) |
11
|
11
|
12
|
18
|
18
|
16
|
13
|
12
|
| Visibility (description) |
VP
|
VP
|
P
|
VP
|
P
|
P
|
P
|
VP
|
| Humidity |
97%
|
97%
|
97%
|
92%
|
84%
|
83%
|
93%
|
94%
|
| UV | - | - | - | 1 | 1 | 1 | - | - |
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Northern Ireland weather forecast
Headline:
Windy and cloudy on Wednesday with rain later.
Today:
Winds soon strengthening with a risk of gales developing. Otherwise it will be a largely dry and cloudy day with some bright intervals. Rain starting to spread into the far west by early evening. Maximum temperature 17 °C.
Tonight:
Cloudy in the evening with rain spreading into the west and becoming heavy at times. Rain continues eastwards overnight to cover all areas. Strong winds through the evening, easing overnight. Minimum temperature 9 °C.
Thursday:
Rain, heavy at times, clears to the east through the morning. The afternoon will see increasingly bright spells developing with the odd shower possible. Maximum temperature 13 °C.
Outlook for Friday to Sunday:
Bright spells and showers early Friday, then drier with clearer skies later. Mostly dry with sunny spells and light winds through the weekend. Chillier nights than of late.
Updated: