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Read moreSlieve Gallion (County Londonderry) weather
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Forecast days
-
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 14° 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; -
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 9° Celsius;
-
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 11° 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: 15° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 8° Celsius;
7 day forecast for Slieve Gallion
Today (1 July 2025)
| 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
10°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
13°
|
12°
|
12°
|
11°
|
10°
|
9°
|
8°
|
| Feels like temperature (°C) |
8°
|
9°
|
9°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
8°
|
8°
|
7°
|
6°
|
| Wind direction and speed |
N
11
|
N
11
|
N
10
|
N
10
|
N
10
|
N
10
|
N
11
|
NNW
12
|
NNW
13
|
NNW
13
|
NNW
13
|
NNW
12
|
NNW
10
|
NNW
9
|
| Wind gust (mph) |
18
|
19
|
19
|
19
|
19
|
20
|
21
|
21
|
22
|
22
|
20
|
15
|
11
|
10
|
| Visibility |
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
75%
|
70%
|
66%
|
65%
|
64%
|
63%
|
61%
|
62%
|
63%
|
64%
|
66%
|
73%
|
78%
|
84%
|
| UV | 4 | 5 | 5 | 5 | 5 | 5 | 4 | 3 | 2 | 1 | 1 | 1 | 1 | - |
Wednesday (2 July 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
20%
|
60%
|
70%
|
80%
|
80%
|
80%
|
70%
|
50%
|
50%
|
40%
|
30%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
7°
|
7°
|
7°
|
6°
|
6°
|
6°
|
7°
|
8°
|
9°
|
10°
|
11°
|
12°
|
12°
|
12°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
12°
|
11°
|
9°
|
8°
|
| Feels like temperature (°C) |
5°
|
5°
|
4°
|
4°
|
4°
|
4°
|
4°
|
6°
|
7°
|
8°
|
9°
|
9°
|
9°
|
10°
|
10°
|
10°
|
11°
|
11°
|
11°
|
10°
|
10°
|
9°
|
8°
|
6°
|
| Wind direction and speed (mph) |
NW
8
|
WNW
8
|
WNW
7
|
W
7
|
W
8
|
W
8
|
W
7
|
W
8
|
W
10
|
W
11
|
W
12
|
W
13
|
W
13
|
W
13
|
WNW
12
|
W
12
|
W
13
|
WNW
12
|
WNW
12
|
WNW
11
|
WNW
10
|
W
8
|
W
7
|
W
7
|
| Wind gust (mph) |
9
|
8
|
9
|
9
|
10
|
10
|
10
|
12
|
17
|
21
|
23
|
25
|
26
|
25
|
25
|
24
|
25
|
23
|
22
|
20
|
16
|
12
|
11
|
10
|
| Visibility (description) |
E
|
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
85%
|
85%
|
86%
|
86%
|
87%
|
88%
|
86%
|
85%
|
78%
|
73%
|
66%
|
64%
|
62%
|
64%
|
62%
|
61%
|
58%
|
56%
|
60%
|
59%
|
64%
|
68%
|
77%
|
82%
|
| UV | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 6 | 6 | 5 | 4 | 3 | 2 | 1 | 1 | 1 | 1 | - |
Thursday (3 July 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%
|
10%
|
30%
|
30%
|
80%
|
80%
|
50%
|
20%
|
20%
|
| Temperature (°C) |
8°
|
8°
|
8°
|
9°
|
11°
|
13°
|
14°
|
13°
|
11°
|
| Feels like temperature (°C) |
6°
|
5°
|
5°
|
5°
|
8°
|
10°
|
10°
|
10°
|
9°
|
| Wind direction and speed (mph) |
WSW
8
|
WSW
8
|
SW
12
|
SW
14
|
WSW
17
|
WSW
18
|
WSW
19
|
WSW
17
|
SW
13
|
| Wind gust (mph) |
10
|
13
|
18
|
25
|
29
|
31
|
31
|
24
|
19
|
| Visibility (description) |
E
|
E
|
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
84%
|
85%
|
86%
|
87%
|
84%
|
74%
|
69%
|
68%
|
82%
|
| UV | - | - | 1 | 1 | 4 | 5 | 4 | 1 | 1 |
Friday (4 July 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
 |
|
|
|
| Chance of precipitation |
20%
|
30%
|
40%
|
50%
|
70%
|
90%
|
90%
|
80%
|
| Temperature (°C) |
10°
|
10°
|
10°
|
11°
|
12°
|
12°
|
12°
|
12°
|
| Feels like temperature (°C) |
7°
|
6°
|
6°
|
7°
|
8°
|
8°
|
8°
|
8°
|
| Wind direction and speed (mph) |
SW
15
|
SW
17
|
SW
18
|
SW
23
|
SW
26
|
SW
26
|
SW
25
|
SW
22
|
| Wind gust (mph) |
22
|
25
|
32
|
35
|
37
|
37
|
34
|
30
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
G
|
M
|
VP
|
VP
|
| Humidity |
87%
|
92%
|
92%
|
86%
|
82%
|
90%
|
95%
|
98%
|
| UV | - | 1 | 1 | 2 | 3 | 2 | 1 | 1 |
Saturday (5 July 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
 |
|
 |
|
|
| Chance of precipitation |
80%
|
80%
|
60%
|
50%
|
60%
|
50%
|
30%
|
20%
|
| Temperature (°C) |
12°
|
11°
|
11°
|
12°
|
13°
|
14°
|
13°
|
11°
|
| Feels like temperature (°C) |
8°
|
8°
|
8°
|
9°
|
10°
|
11°
|
10°
|
8°
|
| Wind direction and speed (mph) |
SW
18
|
WSW
16
|
WSW
16
|
W
16
|
W
18
|
W
17
|
W
16
|
WNW
13
|
| Wind gust (mph) |
26
|
23
|
25
|
26
|
26
|
26
|
23
|
17
|
| Visibility (description) |
VP
|
VP
|
VP
|
VP
|
P
|
G
|
G
|
G
|
| Humidity |
99%
|
99%
|
99%
|
95%
|
88%
|
85%
|
86%
|
91%
|
| UV | - | 1 | 1 | 3 | 4 | 3 | 1 | 1 |
Sunday (6 July 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
30%
|
30%
|
40%
|
50%
|
60%
|
40%
|
30%
|
30%
|
| Temperature (°C) |
10°
|
10°
|
10°
|
12°
|
13°
|
14°
|
12°
|
10°
|
| Feels like temperature (°C) |
8°
|
7°
|
7°
|
9°
|
10°
|
11°
|
9°
|
7°
|
| Wind direction and speed (mph) |
W
11
|
W
11
|
WNW
11
|
W
15
|
WNW
17
|
WNW
18
|
WNW
17
|
WNW
13
|
| Wind gust (mph) |
16
|
17
|
20
|
25
|
26
|
27
|
25
|
21
|
| Visibility (description) |
G
|
M
|
M
|
M
|
G
|
G
|
G
|
VG
|
| Humidity |
93%
|
94%
|
93%
|
90%
|
83%
|
79%
|
81%
|
88%
|
| UV | - | - | 1 | 3 | 4 | 3 | 1 | 1 |
Monday (7 July 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
30%
|
30%
|
40%
|
30%
|
30%
|
20%
|
10%
|
10%
|
| Temperature (°C) |
10°
|
9°
|
9°
|
12°
|
13°
|
14°
|
13°
|
10°
|
| Feels like temperature (°C) |
7°
|
6°
|
7°
|
9°
|
10°
|
11°
|
10°
|
7°
|
| Wind direction and speed (mph) |
WNW
12
|
WNW
13
|
WNW
13
|
NW
16
|
NW
18
|
WNW
18
|
WNW
17
|
W
11
|
| Wind gust (mph) |
21
|
23
|
27
|
29
|
29
|
28
|
25
|
17
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
| Humidity |
92%
|
92%
|
90%
|
83%
|
73%
|
68%
|
72%
|
86%
|
| UV | - | - | 1 | 3 | 6 | 4 | 1 | 1 |
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Northern Ireland weather forecast
Headline:
Mostly dry and bright today..
Today:
It will be mainly dry and bright with sunny spells and feeling quite warm. The cloud increasing at times to bring a few isolated light showers, but these dying out later. Light winds. Maximum temperature 19 °C.
Tonight:
A dry evening with plenty of late sunshine. Staying dry with mainly clear skies overnight and becoming quite chilly in some rural spots. Minimum temperature 6 °C.
Wednesday:
A sunny start then cloud bubbling up through the morning with scattered showers developing. One or two could be heavy in the afternoon. Feeling quite warm. Maximum temperature 19 °C.
Outlook for Thursday to Saturday:
Bright spells and a few showers on Thursday. Dry on Friday morning then windy with outbreaks of rain arriving. Warm and humid on Saturday with further showery rain.
Updated: