Spelga Dam (County Down) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 13 degrees Celsius; -
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 13 degrees Celsius; -
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 12 degrees Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 16 degrees Celsius; Minimum nighttime temperature: 9 degrees Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 15 degrees Celsius; Minimum nighttime temperature: 12 degrees Celsius;
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 17 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius; -
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 15 degrees Celsius; Minimum nighttime temperature: 10 degrees Celsius;
Mist changing to cloudy by late morning.
Sunrise:
Sunset:
7 day forecast for Spelga Dam
Today (1 September 2026)
| 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 |
40%
|
30%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
70%
|
90%
|
90%
|
90%
|
70%
|
70%
|
60%
|
60%
|
50%
|
60%
|
| Temperature |
12°
|
12°
|
12°
|
13°
|
14°
|
15°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
13°
|
| Feels like temperature (°C) |
9°
|
9°
|
10°
|
11°
|
12°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
12°
|
| Wind direction and speed |
SW
11
|
SW
13
|
SW
13
|
SW
13
|
SW
13
|
WSW
13
|
WSW
13
|
WSW
13
|
WSW
13
|
SW
11
|
SW
11
|
WSW
9
|
WSW
9
|
SW
9
|
SW
8
|
SW
8
|
SW
8
|
SSW
8
|
| Wind gust (mph) |
23
|
23
|
24
|
25
|
26
|
25
|
25
|
25
|
25
|
24
|
24
|
22
|
19
|
18
|
17
|
17
|
17
|
17
|
| Visibility |
P
|
P
|
P
|
M
|
G
|
VG
|
G
|
G
|
G
|
G
|
G
|
M
|
M
|
G
|
M
|
M
|
M
|
M
|
| Humidity |
94%
|
96%
|
95%
|
93%
|
89%
|
84%
|
81%
|
79%
|
79%
|
84%
|
85%
|
88%
|
89%
|
89%
|
91%
|
92%
|
93%
|
94%
|
| UV | 1 | 1 | 1 | 1 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - |
Wednesday (2 September 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 |
60%
|
60%
|
70%
|
90%
|
≥95%
|
≥95%
|
90%
|
80%
|
70%
|
60%
|
50%
|
50%
|
60%
|
60%
|
50%
|
40%
|
50%
|
50%
|
40%
|
20%
|
20%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
15°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
15°
|
| Feels like temperature (°C) |
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
14°
|
15°
|
15°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
14°
|
14°
|
13°
|
| Wind direction and speed (mph) |
SSW
8
|
SSW
9
|
SSW
9
|
S
9
|
SSE
8
|
SSE
8
|
SE
9
|
SE
8
|
SE
8
|
SE
8
|
SSE
8
|
S
8
|
SSW
8
|
SSW
8
|
SSW
8
|
SW
8
|
SW
9
|
SW
10
|
SW
11
|
SW
11
|
SW
11
|
SW
13
|
SW
13
|
SW
13
|
| Wind gust (mph) |
16
|
15
|
15
|
17
|
17
|
19
|
19
|
17
|
16
|
16
|
16
|
18
|
18
|
21
|
22
|
23
|
23
|
23
|
22
|
20
|
20
|
22
|
24
|
24
|
| Visibility (description) |
P
|
P
|
P
|
P
|
P
|
P
|
VP
|
VP
|
VP
|
VP
|
P
|
P
|
P
|
P
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
| Humidity |
95%
|
96%
|
97%
|
97%
|
98%
|
98%
|
99%
|
99%
|
98%
|
98%
|
98%
|
96%
|
94%
|
93%
|
91%
|
91%
|
91%
|
91%
|
91%
|
90%
|
90%
|
92%
|
93%
|
92%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | - | - | - |
Thursday (3 September 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 |
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
30%
|
30%
|
40%
|
50%
|
50%
|
50%
|
50%
|
50%
|
40%
|
50%
|
40%
|
40%
|
| Temperature (°C) |
15°
|
15°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
14°
|
15°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
16°
|
16°
|
15°
|
14°
|
14°
|
14°
|
13°
|
| Feels like temperature (°C) |
13°
|
13°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
12°
|
13°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
14°
|
14°
|
13°
|
13°
|
12°
|
12°
|
12°
|
| Wind direction and speed (mph) |
WSW
13
|
WSW
13
|
WSW
13
|
WSW
11
|
WSW
11
|
WSW
11
|
WSW
11
|
SW
11
|
SW
11
|
SW
11
|
WSW
13
|
WSW
13
|
WSW
13
|
WSW
13
|
WSW
13
|
WSW
11
|
WSW
13
|
WSW
11
|
WSW
10
|
WSW
10
|
SW
9
|
SW
9
|
SW
10
|
SW
10
|
| Wind gust (mph) |
24
|
23
|
22
|
22
|
21
|
20
|
19
|
21
|
21
|
23
|
24
|
24
|
25
|
25
|
26
|
27
|
26
|
25
|
22
|
20
|
19
|
20
|
20
|
22
|
| Visibility (description) |
M
|
M
|
M
|
M
|
M
|
M
|
M
|
P
|
M
|
M
|
G
|
G
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
| Humidity |
92%
|
92%
|
92%
|
92%
|
92%
|
92%
|
93%
|
93%
|
92%
|
89%
|
87%
|
79%
|
76%
|
75%
|
72%
|
72%
|
73%
|
77%
|
78%
|
83%
|
87%
|
90%
|
89%
|
91%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - |
Friday (4 September 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%
|
50%
|
50%
|
50%
|
50%
|
50%
|
40%
|
30%
|
30%
|
40%
|
30%
|
40%
|
40%
|
30%
|
30%
|
30%
|
40%
|
40%
|
30%
|
30%
|
30%
|
30%
|
30%
|
| Temperature (°C) |
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
15°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
14°
|
14°
|
13°
|
12°
|
12°
|
| Feels like temperature (°C) |
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
13°
|
13°
|
13°
|
13°
|
14°
|
13°
|
13°
|
13°
|
12°
|
11°
|
11°
|
10°
|
| Wind direction and speed (mph) |
SW
11
|
SW
11
|
SW
11
|
SW
11
|
SW
11
|
SW
11
|
SW
10
|
SW
10
|
WSW
10
|
WSW
10
|
WSW
11
|
WSW
11
|
WSW
11
|
W
11
|
W
13
|
W
13
|
W
11
|
W
11
|
W
10
|
W
8
|
WSW
8
|
WSW
8
|
WSW
7
|
WSW
8
|
| Wind gust (mph) |
23
|
24
|
24
|
23
|
24
|
24
|
23
|
20
|
23
|
25
|
26
|
28
|
28
|
28
|
27
|
25
|
25
|
23
|
21
|
20
|
19
|
19
|
19
|
19
|
| Visibility (description) |
M
|
M
|
M
|
M
|
M
|
M
|
P
|
P
|
P
|
M
|
M
|
M
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
92%
|
92%
|
93%
|
93%
|
94%
|
95%
|
95%
|
95%
|
93%
|
89%
|
86%
|
80%
|
74%
|
69%
|
68%
|
70%
|
68%
|
68%
|
73%
|
76%
|
79%
|
82%
|
84%
|
86%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - |
Saturday (5 September 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%
|
30%
|
30%
|
30%
|
30%
|
20%
|
20%
|
20%
|
20%
|
10%
|
10%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
30%
|
20%
|
30%
|
40%
|
| Temperature (°C) |
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
11°
|
12°
|
13°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
13°
|
13°
|
13°
|
13°
|
| Feels like temperature (°C) |
10°
|
9°
|
9°
|
9°
|
9°
|
8°
|
8°
|
8°
|
10°
|
11°
|
12°
|
12°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
12°
|
12°
|
12°
|
| Wind direction and speed (mph) |
WSW
7
|
WSW
7
|
WSW
7
|
WSW
7
|
WSW
7
|
WSW
7
|
WSW
7
|
SW
6
|
WSW
5
|
WSW
6
|
W
6
|
W
7
|
WSW
7
|
WSW
7
|
WSW
7
|
WSW
7
|
SW
7
|
SW
7
|
SW
7
|
SSW
7
|
S
6
|
S
6
|
S
6
|
SSE
6
|
| Wind gust (mph) |
19
|
17
|
17
|
18
|
17
|
17
|
15
|
15
|
14
|
15
|
15
|
17
|
16
|
17
|
16
|
16
|
17
|
16
|
16
|
15
|
13
|
14
|
16
|
16
|
| Visibility (description) |
M
|
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
P
|
| Humidity |
88%
|
89%
|
90%
|
91%
|
91%
|
91%
|
92%
|
92%
|
90%
|
86%
|
80%
|
74%
|
70%
|
67%
|
66%
|
66%
|
67%
|
70%
|
74%
|
80%
|
87%
|
90%
|
92%
|
93%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - |
Sunday (6 September 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 |
50%
|
40%
|
50%
|
50%
|
50%
|
50%
|
50%
|
30%
|
20%
|
| Temperature (°C) |
13°
|
13°
|
13°
|
13°
|
14°
|
16°
|
16°
|
14°
|
13°
|
| Feels like temperature (°C) |
12°
|
12°
|
12°
|
12°
|
13°
|
14°
|
15°
|
13°
|
11°
|
| Wind direction and speed (mph) |
SSE
6
|
SE
6
|
SE
7
|
SSE
7
|
S
9
|
S
11
|
SSW
9
|
SW
9
|
WSW
8
|
| Wind gust (mph) |
16
|
11
|
16
|
21
|
24
|
26
|
26
|
21
|
21
|
| Visibility (description) |
P
|
P
|
P
|
VP
|
P
|
P
|
P
|
M
|
M
|
| Humidity |
94%
|
94%
|
96%
|
96%
|
92%
|
88%
|
85%
|
87%
|
89%
|
| UV | - | - | - | 1 | 1 | 3 | 2 | 1 | - |
Monday (7 September 2026)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
30%
|
30%
|
50%
|
50%
|
40%
|
30%
|
30%
|
| Temperature (°C) |
13°
|
12°
|
11°
|
13°
|
14°
|
14°
|
13°
|
12°
|
| Feels like temperature (°C) |
11°
|
11°
|
10°
|
11°
|
13°
|
13°
|
12°
|
10°
|
| Wind direction and speed (mph) |
WSW
8
|
WSW
7
|
WSW
7
|
WSW
8
|
WSW
8
|
WSW
8
|
WSW
8
|
WSW
8
|
| Wind gust (mph) |
20
|
20
|
24
|
27
|
28
|
27
|
22
|
21
|
| Visibility (description) |
P
|
P
|
P
|
M
|
M
|
M
|
G
|
G
|
| Humidity |
90%
|
92%
|
92%
|
83%
|
74%
|
75%
|
78%
|
85%
|
| UV | - | - | 1 | 2 | 3 | 2 | 1 | - |
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Northern Ireland weather forecast
Headline:
Mainly cloudy with a few showers today, mainly in north.
Today:
A few bright spells across the southeast. Otherwise rather cloudy with a few showers, these most frequent across the north and west. Drier across the east. Maximum temperature 18 °C.
Tonight:
This evening will be cloudy with outbreaks of rain. Then the rest of the night will be cloudy with further spells of rain, perhaps heavy in the southeast later. Minimum temperature 14 °C.
Wednesday:
A cloudy day with further spells of rain, perhaps some warm sunshine breaking through across the southeast at times. Maximum temperature 18 °C.
Outlook for Thursday to Saturday:
Dry for most of Thursday but rain spreading east later. Mainly dry and bright on Friday and Saturday, perhaps some further rain later on Saturday.
Updated: