Slieve Gallion (County Londonderry) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 10° Celsius; -
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 9° Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 8° Celsius; -
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 8° Celsius;
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 7° Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 7° Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 7° Celsius;
7 day forecast for Slieve Gallion
Today (15 June 2025)
| Time |
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%
|
60%
|
50%
|
40%
|
60%
|
50%
|
40%
|
40%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
9°
|
9°
|
10°
|
10°
|
10°
|
11°
|
11°
|
11°
|
11°
|
12°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
11°
|
11°
|
| Feels like temperature (°C) |
5°
|
6°
|
7°
|
7°
|
7°
|
8°
|
8°
|
8°
|
8°
|
9°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
8°
|
| Wind direction and speed |
SW
13
|
SW
13
|
WSW
14
|
WSW
14
|
W
15
|
W
16
|
W
16
|
W
16
|
W
17
|
W
17
|
W
17
|
W
17
|
W
16
|
W
15
|
W
14
|
WSW
12
|
WSW
11
|
SW
11
|
| Wind gust (mph) |
17
|
19
|
20
|
22
|
23
|
24
|
25
|
25
|
26
|
26
|
26
|
25
|
24
|
22
|
18
|
13
|
12
|
13
|
| Visibility |
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
G
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
VG
|
VG
|
VG
|
| Humidity |
98%
|
99%
|
99%
|
98%
|
94%
|
92%
|
90%
|
86%
|
85%
|
81%
|
76%
|
75%
|
74%
|
75%
|
75%
|
83%
|
85%
|
88%
|
| UV | 1 | 1 | 1 | 2 | 2 | 3 | 5 | 5 | 5 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | - |
Monday (16 June 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 |
<5%
|
<5%
|
<5%
|
10%
|
10%
|
20%
|
20%
|
20%
|
20%
|
20%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
20%
|
30%
|
| Temperature (°C) |
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
11°
|
11°
|
12°
|
12°
|
13°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
13°
|
12°
|
12°
|
11°
|
| Feels like temperature (°C) |
8°
|
7°
|
7°
|
7°
|
7°
|
7°
|
8°
|
8°
|
8°
|
9°
|
9°
|
10°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
9°
|
8°
|
8°
|
| Wind direction and speed (mph) |
SW
13
|
SW
15
|
SW
17
|
SW
18
|
SW
18
|
SW
16
|
SW
15
|
SW
14
|
SW
15
|
SW
15
|
SW
15
|
SW
16
|
SW
16
|
SW
17
|
SW
18
|
SW
19
|
SW
19
|
SW
20
|
SW
19
|
SW
19
|
SW
19
|
SW
19
|
SSW
21
|
SW
22
|
| Wind gust (mph) |
16
|
19
|
20
|
20
|
19
|
19
|
19
|
21
|
21
|
23
|
24
|
25
|
26
|
28
|
29
|
29
|
29
|
28
|
25
|
24
|
24
|
25
|
27
|
30
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
92%
|
91%
|
93%
|
94%
|
96%
|
97%
|
98%
|
99%
|
97%
|
95%
|
92%
|
85%
|
79%
|
76%
|
74%
|
69%
|
71%
|
71%
|
73%
|
74%
|
75%
|
75%
|
78%
|
83%
|
| UV | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 5 | 5 | 4 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | - |
Tuesday (17 June 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 |
40%
|
40%
|
20%
|
10%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
11°
|
11°
|
10°
|
9°
|
11°
|
13°
|
14°
|
13°
|
10°
|
| Feels like temperature (°C) |
7°
|
7°
|
7°
|
7°
|
8°
|
10°
|
11°
|
11°
|
8°
|
| Wind direction and speed (mph) |
SW
23
|
SW
23
|
WSW
19
|
W
12
|
W
14
|
WSW
14
|
W
14
|
W
13
|
WNW
8
|
| Wind gust (mph) |
30
|
30
|
25
|
24
|
26
|
26
|
23
|
19
|
10
|
| Visibility (description) |
VG
|
VG
|
VP
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
84%
|
87%
|
93%
|
88%
|
72%
|
60%
|
57%
|
58%
|
78%
|
| UV | - | - | 1 | 1 | 4 | 5 | 4 | 1 | 1 |
Wednesday (18 June 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%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
9°
|
9°
|
9°
|
11°
|
15°
|
16°
|
15°
|
12°
|
| Feels like temperature (°C) |
7°
|
6°
|
7°
|
9°
|
11°
|
12°
|
12°
|
10°
|
| Wind direction and speed (mph) |
WSW
7
|
SSW
8
|
SW
9
|
SSW
14
|
SSW
17
|
SW
18
|
SW
17
|
WSW
13
|
| Wind gust (mph) |
9
|
11
|
19
|
25
|
28
|
26
|
20
|
16
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
VG
|
| Humidity |
84%
|
87%
|
85%
|
76%
|
68%
|
65%
|
67%
|
84%
|
| UV | - | 1 | 1 | 4 | 7 | 4 | 1 | 1 |
Thursday (19 June 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) |
10°
|
9°
|
10°
|
12°
|
15°
|
16°
|
15°
|
11°
|
| Feels like temperature (°C) |
8°
|
7°
|
8°
|
10°
|
13°
|
14°
|
13°
|
10°
|
| Wind direction and speed (mph) |
W
12
|
W
9
|
NW
8
|
NE
10
|
E
10
|
E
11
|
ENE
13
|
NE
8
|
| Wind gust (mph) |
13
|
11
|
15
|
18
|
20
|
20
|
17
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
86%
|
90%
|
86%
|
79%
|
69%
|
66%
|
70%
|
85%
|
| UV | - | 1 | 1 | 3 | 5 | 4 | 1 | 1 |
Friday (20 June 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%
|
20%
|
20%
|
10%
|
10%
|
| Temperature (°C) |
9°
|
8°
|
10°
|
13°
|
14°
|
15°
|
14°
|
10°
|
| Feels like temperature (°C) |
7°
|
6°
|
9°
|
10°
|
12°
|
12°
|
11°
|
8°
|
| Wind direction and speed (mph) |
NE
8
|
NNE
7
|
NNE
7
|
SSE
11
|
SSE
13
|
SSW
16
|
NNW
14
|
NNE
8
|
| Wind gust (mph) |
7
|
8
|
15
|
20
|
21
|
21
|
18
|
9
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
92%
|
96%
|
90%
|
81%
|
73%
|
67%
|
69%
|
85%
|
| UV | - | 1 | 1 | 3 | 6 | 4 | 1 | 1 |
Saturday (21 June 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%
|
20%
|
30%
|
20%
|
10%
|
10%
|
| Temperature (°C) |
8°
|
8°
|
10°
|
12°
|
14°
|
15°
|
14°
|
10°
|
| Feels like temperature (°C) |
7°
|
6°
|
8°
|
10°
|
12°
|
12°
|
11°
|
8°
|
| Wind direction and speed (mph) |
NW
7
|
NW
7
|
NW
8
|
WSW
12
|
SW
14
|
WSW
17
|
WNW
15
|
NW
10
|
| Wind gust (mph) |
6
|
7
|
16
|
19
|
20
|
21
|
18
|
11
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
93%
|
95%
|
89%
|
79%
|
72%
|
66%
|
69%
|
85%
|
| UV | - | 1 | 1 | 4 | 6 | 4 | 1 | 1 |
Tooltip header
UK video forecast
Slieve Gallion weather map
View the weather with our interactive map
Loading map...
Northern Ireland weather forecast
Headline:
Cloudy Sunday morning, a little rain. Drier, brightening afternoon.
Today:
A cloudy morning with a little mainly light rain and drizzle along with some hill fog. Becoming dry in the afternoon and cloud lifting to allow bright then sunny intervals. Maximum temperature 17 °C.
Tonight:
A sunny evening then some clear periods tonight. Cloud then spreading from the west in the early hours, with a little drizzle possible in the west. Minimum temperature 11 °C.
Monday:
A cloudy morning, patchy rain in northwest, then brightening up in the afternoon with some sunshine. Warmer. Maximum temperature 21 °C.
Outlook for Tuesday to Thursday:
Mainly dry with sunny spells on Tuesday after a cloudy start in south, windy at first. Dry and sunny on Wednesday and Thursday, warmer with lighter winds.
Updated: