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Heatwave conditions across much of the UK
Large swathes of the UK have met heatwave criteria as the widely hot, dry, and sunny weather continues today and into the weekend.
Read moreSlieve Gallion (County Londonderry) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 13° Celsius; -
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 17° 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: 18° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 10° Celsius;
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 10° Celsius; -
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 10° Celsius;
-
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 10° Celsius;
7 day forecast for Slieve Gallion
Today (13 July 2025)
| Time |
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%
|
<5%
|
<5%
|
10%
|
| Temperature |
16°
|
17°
|
18°
|
19°
|
20°
|
21°
|
21°
|
21°
|
21°
|
21°
|
21°
|
20°
|
19°
|
18°
|
17°
|
17°
|
| Feels like temperature (°C) |
14°
|
14°
|
15°
|
15°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
| Wind direction and speed |
ESE
13
|
ESE
15
|
ESE
17
|
ESE
17
|
ESE
18
|
ESE
19
|
ESE
20
|
SE
21
|
SE
21
|
SE
20
|
SE
19
|
SE
16
|
SE
15
|
SE
13
|
ESE
12
|
SE
11
|
| Wind gust (mph) |
23
|
25
|
26
|
27
|
30
|
32
|
32
|
32
|
31
|
30
|
28
|
25
|
20
|
17
|
16
|
16
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
84%
|
78%
|
74%
|
68%
|
64%
|
55%
|
54%
|
54%
|
52%
|
53%
|
55%
|
56%
|
65%
|
65%
|
67%
|
72%
|
| UV | 2 | 3 | 5 | 6 | 7 | 8 | 7 | 6 | 5 | 3 | 2 | 1 | 1 | 1 | - | - |
Monday (14 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 |
10%
|
10%
|
20%
|
20%
|
50%
|
70%
|
60%
|
50%
|
40%
|
20%
|
20%
|
50%
|
70%
|
70%
|
60%
|
60%
|
40%
|
50%
|
50%
|
30%
|
30%
|
30%
|
30%
|
20%
|
| Temperature (°C) |
16°
|
16°
|
15°
|
15°
|
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
12°
|
11°
|
11°
|
10°
|
| Feels like temperature (°C) |
14°
|
14°
|
13°
|
13°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
11°
|
12°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
8°
|
7°
|
| Wind direction and speed (mph) |
ESE
11
|
ESE
11
|
ESE
12
|
ESE
12
|
SE
13
|
SE
12
|
SSE
11
|
SSE
11
|
S
12
|
SSW
14
|
SSW
15
|
SSW
14
|
S
15
|
S
17
|
SSW
18
|
SSW
18
|
SSW
19
|
SSW
18
|
SW
17
|
SSW
17
|
SSW
16
|
SSW
14
|
SSW
13
|
S
13
|
| Wind gust (mph) |
17
|
18
|
18
|
19
|
17
|
17
|
18
|
20
|
22
|
23
|
24
|
26
|
29
|
32
|
34
|
36
|
33
|
32
|
29
|
26
|
22
|
20
|
20
|
19
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VP
|
VP
|
VP
|
VP
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
76%
|
80%
|
84%
|
88%
|
92%
|
93%
|
96%
|
97%
|
95%
|
91%
|
82%
|
74%
|
69%
|
78%
|
75%
|
64%
|
65%
|
58%
|
58%
|
63%
|
67%
|
70%
|
77%
|
83%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 1 | 3 | 4 | 5 | 6 | 7 | 7 | 6 | 4 | 3 | 2 | 1 | 1 | 1 | - | - |
Tuesday (15 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 |
20%
|
40%
|
70%
|
90%
|
90%
|
90%
|
70%
|
20%
|
10%
|
| Temperature (°C) |
10°
|
10°
|
9°
|
9°
|
10°
|
12°
|
13°
|
13°
|
11°
|
| Feels like temperature (°C) |
7°
|
7°
|
6°
|
6°
|
7°
|
10°
|
11°
|
10°
|
9°
|
| Wind direction and speed (mph) |
SSW
13
|
S
13
|
S
13
|
S
12
|
SW
13
|
WNW
13
|
NW
15
|
NW
16
|
WNW
11
|
| Wind gust (mph) |
19
|
19
|
19
|
21
|
23
|
25
|
27
|
24
|
14
|
| Visibility (description) |
E
|
E
|
VP
|
VP
|
VG
|
E
|
E
|
E
|
E
|
| Humidity |
84%
|
87%
|
94%
|
94%
|
93%
|
81%
|
74%
|
70%
|
84%
|
| UV | - | - | - | 1 | 2 | 5 | 4 | 1 | - |
Wednesday (16 July 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%
|
10%
|
10%
|
10%
|
20%
|
30%
|
| Temperature (°C) |
10°
|
9°
|
10°
|
13°
|
15°
|
17°
|
16°
|
13°
|
| Feels like temperature (°C) |
8°
|
7°
|
8°
|
12°
|
14°
|
15°
|
14°
|
11°
|
| Wind direction and speed (mph) |
WNW
10
|
WNW
8
|
WNW
6
|
WSW
6
|
SSW
8
|
SE
9
|
SE
11
|
SE
10
|
| Wind gust (mph) |
12
|
10
|
12
|
16
|
17
|
18
|
18
|
14
|
| Visibility (description) |
E
|
E
|
E
|
E
|
E
|
E
|
E
|
VG
|
| Humidity |
92%
|
92%
|
88%
|
76%
|
65%
|
57%
|
68%
|
84%
|
| UV | - | - | 1 | 4 | 7 | 4 | 1 | - |
Thursday (17 July 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
|
|
|
|
 |
| Chance of precipitation |
40%
|
50%
|
50%
|
50%
|
60%
|
50%
|
40%
|
30%
|
| Temperature (°C) |
12°
|
12°
|
12°
|
13°
|
15°
|
16°
|
15°
|
13°
|
| Feels like temperature (°C) |
10°
|
10°
|
10°
|
11°
|
13°
|
13°
|
13°
|
12°
|
| Wind direction and speed (mph) |
SE
9
|
SSE
9
|
SSE
9
|
S
11
|
S
14
|
S
14
|
S
14
|
SSW
10
|
| Wind gust (mph) |
12
|
14
|
17
|
20
|
22
|
20
|
17
|
12
|
| Visibility (description) |
VG
|
P
|
P
|
VP
|
G
|
VG
|
VG
|
G
|
| Humidity |
94%
|
98%
|
96%
|
94%
|
85%
|
84%
|
84%
|
92%
|
| UV | - | - | 1 | 2 | 4 | 3 | 1 | - |
Friday (18 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%
|
60%
|
60%
|
60%
|
20%
|
20%
|
| Temperature (°C) |
12°
|
12°
|
12°
|
14°
|
16°
|
17°
|
16°
|
13°
|
| Feels like temperature (°C) |
10°
|
10°
|
11°
|
12°
|
14°
|
15°
|
14°
|
11°
|
| Wind direction and speed (mph) |
SSW
9
|
SSW
8
|
SSW
7
|
SSW
9
|
SSW
11
|
SSW
14
|
SW
14
|
W
10
|
| Wind gust (mph) |
9
|
10
|
14
|
18
|
20
|
18
|
14
|
12
|
| Visibility (description) |
G
|
P
|
P
|
G
|
G
|
VG
|
VG
|
G
|
| Humidity |
96%
|
96%
|
94%
|
88%
|
81%
|
77%
|
79%
|
92%
|
| UV | - | - | 1 | 3 | 6 | 4 | 1 | - |
Saturday (19 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%
|
20%
|
40%
|
50%
|
60%
|
50%
|
30%
|
20%
|
| Temperature (°C) |
11°
|
11°
|
12°
|
14°
|
16°
|
17°
|
17°
|
13°
|
| Feels like temperature (°C) |
10°
|
10°
|
11°
|
13°
|
14°
|
15°
|
14°
|
11°
|
| Wind direction and speed (mph) |
SE
7
|
SE
5
|
S
5
|
S
7
|
SE
10
|
SE
12
|
SE
13
|
SE
10
|
| Wind gust (mph) |
7
|
6
|
11
|
15
|
16
|
17
|
13
|
11
|
| Visibility (description) |
G
|
M
|
P
|
G
|
G
|
VG
|
VG
|
G
|
| Humidity |
96%
|
97%
|
95%
|
88%
|
79%
|
74%
|
75%
|
91%
|
| UV | - | - | 1 | 3 | 4 | 4 | 1 | - |
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Northern Ireland weather forecast
Headline:
Dry, sunny and hot again today.
Today:
This morning will be dry and sunny. This afternoon will be dry with plenty of sunshine, but clouds increasing later on. Small chance of an afternoon shower across the far west. Another very warm or hot day. Maximum temperature 28 °C.
Tonight:
This evening will be dry. Then the rest of the night will be cloudy with some rain extending northeast for a time, mainly across the west. Minimum temperature 14 °C.
Monday:
A few bright or sunny intervals and scattered showers, these mainly across the west. Not as hot as recently but still warm. Maximum temperature 21 °C.
Outlook for Tuesday to Thursday:
Rather cloudy with showers or some longer spells of rain on Tuesday. Drier on Wednesday before further rain or showers develop on Thursday.
Updated: