Valentia Observatory (Ireland) weather
Find a forecast
Nearest forecast to your detected location
Forecast days
-
18° Maximum daytime temperature: 18° Celsius; 12° Minimum nighttime temperature: 12° Celsius;
Sunrise:
Sunset:
Heavy rain changing to overcast by early evening.L UVNo pollution data.No pollen data.18° Maximum daytime temperature: 18° Celsius; 12° Minimum nighttime temperature: 12° Celsius; -
16° Maximum daytime temperature: 16° Celsius; 11° Minimum nighttime temperature: 11° Celsius;
Sunrise:
Sunset:
Sunny intervals changing to partly cloudy by nighttime.M UVNo pollution data.No pollen data.16° Maximum daytime temperature: 16° Celsius; 11° Minimum nighttime temperature: 11° Celsius; -
16° Maximum daytime temperature: 16° Celsius; 9° Minimum nighttime temperature: 9° Celsius;
Sunrise:
Sunset:
Sunny intervals changing to cloudy by lunchtime.M UVNo pollution data.No pollen data.16° Maximum daytime temperature: 16° Celsius; 9° Minimum nighttime temperature: 9° Celsius; -
14° Maximum daytime temperature: 14° Celsius; 7° Minimum nighttime temperature: 7° Celsius;
Sunrise:
Sunset:
Light showers changing to sunny intervals by lunchtime.M UVNo pollution data.No pollen data.14° Maximum daytime temperature: 14° Celsius; 7° Minimum nighttime temperature: 7° Celsius; -
14° Maximum daytime temperature: 14° Celsius; 6° Minimum nighttime temperature: 6° Celsius;
Sunrise:
Sunset:
Clear.M UVNo pollution data.No pollen data.14° Maximum daytime temperature: 14° Celsius; 6° Minimum nighttime temperature: 6° Celsius; -
15° Maximum daytime temperature: 15° Celsius; 8° Minimum nighttime temperature: 8° Celsius;
Sunrise:
Sunset:
Cloudy changing to sunny intervals in the afternoon.M UVNo pollution data.No pollen data.15° Maximum daytime temperature: 15° Celsius; 8° Minimum nighttime temperature: 8° Celsius; -
16° Maximum daytime temperature: 16° Celsius; 8° Minimum nighttime temperature: 8° Celsius;
Sunrise:
Sunset:
Sunny intervals changing to partly cloudy by early evening.M UVNo pollution data.No pollen data.16° Maximum daytime temperature: 16° Celsius; 8° Minimum nighttime temperature: 8° Celsius;
Heavy rain changing to overcast by early evening.
L UV
No pollution data.
No pollen data.
Sunny intervals changing to partly cloudy by nighttime.
M UV
No pollution data.
No pollen data.
Sunny intervals changing to cloudy by lunchtime.
M UV
No pollution data.
No pollen data.
Light showers changing to sunny intervals by lunchtime.
M UV
No pollution data.
No pollen data.
Clear.
M UV
No pollution data.
No pollen data.
Cloudy changing to sunny intervals in the afternoon.
M UV
No pollution data.
No pollen data.
Sunny intervals changing to partly cloudy by early evening.
M UV
No pollution data.
No pollen data.
7 day forecast for Valentia Observatory
Today (18 September 2025)
Time |
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 |
70%
|
90%
|
≥95%
|
90%
|
90%
|
80%
|
80%
|
90%
|
70%
|
70%
|
70%
|
60%
|
60%
|
50%
|
40%
|
50%
|
50%
|
40%
|
30%
|
20%
|
Temperature (°C) |
13°
|
13°
|
14°
|
14°
|
15°
|
16°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
15°
|
Feels like temperature (°C) |
13°
|
12°
|
12°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
Wind direction and speed (mph) |
SSE
6
|
SE
7
|
SE
9
|
SSE
11
|
S
13
|
S
16
|
S
19
|
SSW
20
|
SSW
20
|
SSW
21
|
SSW
20
|
SSW
20
|
SSW
19
|
SSW
19
|
SSW
18
|
SSW
17
|
SSW
16
|
SSW
16
|
SSW
15
|
SSW
14
|
Wind gust (mph) |
15
|
19
|
23
|
27
|
30
|
35
|
38
|
39
|
39
|
35
|
35
|
35
|
36
|
35
|
32
|
28
|
30
|
31
|
30
|
28
|
Visibility (description) |
VG
|
G
|
M
|
M
|
M
|
M
|
G
|
M
|
M
|
M
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
Humidity |
90%
|
93%
|
96%
|
97%
|
98%
|
97%
|
97%
|
97%
|
97%
|
97%
|
96%
|
96%
|
96%
|
96%
|
96%
|
97%
|
96%
|
95%
|
93%
|
92%
|
UV | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - |
Friday (19 September 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 |
20%
|
20%
|
10%
|
10%
|
10%
|
20%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
Temperature (°C) |
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
13°
|
13°
|
13°
|
Feels like temperature (°C) |
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
12°
|
12°
|
12°
|
Wind direction and speed (mph) |
SSW
12
|
SSW
10
|
SSW
9
|
SSW
8
|
SSW
7
|
SSW
7
|
SSW
6
|
SSW
5
|
SSW
5
|
SSW
6
|
SSW
8
|
SSW
9
|
SW
9
|
SW
9
|
SW
10
|
SW
10
|
SW
9
|
SW
9
|
SW
9
|
SW
8
|
SW
6
|
SSW
6
|
S
6
|
SSE
6
|
Wind gust (mph) |
25
|
23
|
20
|
18
|
15
|
13
|
11
|
10
|
10
|
10
|
9
|
10
|
10
|
10
|
12
|
11
|
11
|
12
|
12
|
12
|
10
|
11
|
11
|
11
|
Visibility (description) |
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
Humidity |
90%
|
91%
|
91%
|
91%
|
89%
|
88%
|
86%
|
86%
|
86%
|
84%
|
79%
|
74%
|
73%
|
70%
|
69%
|
69%
|
71%
|
72%
|
75%
|
79%
|
82%
|
84%
|
85%
|
85%
|
UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Saturday (20 September 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%
|
20%
|
20%
|
20%
|
20%
|
20%
|
30%
|
30%
|
30%
|
30%
|
40%
|
40%
|
40%
|
50%
|
50%
|
50%
|
70%
|
70%
|
70%
|
70%
|
70%
|
70%
|
70%
|
70%
|
Temperature (°C) |
13°
|
13°
|
13°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
12°
|
12°
|
12°
|
11°
|
Feels like temperature (°C) |
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
10°
|
10°
|
9°
|
9°
|
8°
|
8°
|
Wind direction and speed (mph) |
S
6
|
SW
6
|
SSE
5
|
ENE
5
|
NNE
5
|
NNE
5
|
N
5
|
NNE
5
|
NNE
5
|
N
6
|
N
8
|
N
10
|
N
11
|
NNW
12
|
NNW
13
|
NNW
14
|
NNW
16
|
N
16
|
N
17
|
N
18
|
N
18
|
N
18
|
N
18
|
N
18
|
Wind gust (mph) |
11
|
11
|
11
|
10
|
9
|
9
|
9
|
10
|
12
|
15
|
17
|
20
|
21
|
24
|
24
|
30
|
30
|
36
|
36
|
35
|
35
|
33
|
31
|
37
|
Visibility (description) |
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
Humidity |
84%
|
84%
|
85%
|
85%
|
85%
|
86%
|
86%
|
86%
|
86%
|
83%
|
77%
|
75%
|
72%
|
74%
|
74%
|
73%
|
74%
|
75%
|
79%
|
80%
|
78%
|
76%
|
77%
|
76%
|
UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 1 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Sunday (21 September 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 |
70%
|
70%
|
70%
|
60%
|
60%
|
60%
|
60%
|
50%
|
50%
|
60%
|
60%
|
50%
|
50%
|
50%
|
50%
|
50%
|
40%
|
40%
|
30%
|
40%
|
30%
|
20%
|
20%
|
20%
|
Temperature (°C) |
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
11°
|
12°
|
12°
|
12°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
11°
|
11°
|
11°
|
10°
|
Feels like temperature (°C) |
8°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
6°
|
7°
|
7°
|
8°
|
8°
|
9°
|
9°
|
10°
|
9°
|
9°
|
10°
|
9°
|
9°
|
9°
|
8°
|
8°
|
8°
|
Wind direction and speed (mph) |
N
18
|
N
18
|
N
17
|
N
17
|
N
17
|
N
17
|
N
16
|
N
15
|
N
15
|
N
15
|
N
15
|
N
16
|
N
17
|
N
17
|
N
16
|
N
17
|
N
17
|
N
17
|
N
16
|
N
14
|
N
13
|
N
11
|
N
11
|
NNE
10
|
Wind gust (mph) |
36
|
37
|
35
|
33
|
33
|
33
|
34
|
30
|
27
|
28
|
30
|
29
|
30
|
30
|
33
|
32
|
30
|
29
|
28
|
26
|
22
|
20
|
18
|
17
|
Visibility (description) |
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
Humidity |
76%
|
73%
|
74%
|
75%
|
71%
|
70%
|
70%
|
70%
|
71%
|
72%
|
68%
|
68%
|
64%
|
59%
|
59%
|
63%
|
64%
|
59%
|
64%
|
66%
|
70%
|
72%
|
70%
|
71%
|
UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 3 | 4 | 3 | 2 | 1 | 1 | 1 | - | - | - | - |
Monday (22 September 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 |
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
– | – | – | – |
Temperature (°C) |
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
8°
|
8°
|
8°
|
10°
|
11°
|
12°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
13°
|
12°
|
11°
|
10°
|
9°
|
9°
|
Feels like temperature (°C) |
8°
|
8°
|
8°
|
7°
|
7°
|
7°
|
6°
|
6°
|
6°
|
8°
|
10°
|
10°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
10°
|
10°
|
9°
|
9°
|
Wind direction and speed (mph) |
NNE
9
|
NNE
8
|
NNE
7
|
NE
7
|
NE
7
|
NE
7
|
NE
7
|
ENE
6
|
NE
6
|
ENE
7
|
NE
8
|
NE
9
|
NNE
9
|
NNE
10
|
NNE
10
|
N
10
|
N
10
|
N
10
|
N
9
|
N
7
|
N
4
|
– |
NE
3
|
– |
Wind gust (mph) |
15
|
15
|
13
|
12
|
12
|
12
|
11
|
11
|
11
|
10
|
11
|
11
|
11
|
11
|
12
|
14
|
14
|
15
|
12
|
– | – | – | – | – |
Visibility (description) |
E
|
E
|
E
|
E
|
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
Humidity |
73%
|
75%
|
77%
|
79%
|
79%
|
80%
|
81%
|
83%
|
82%
|
75%
|
68%
|
64%
|
58%
|
57%
|
56%
|
56%
|
57%
|
58%
|
62%
|
68%
|
79%
|
82%
|
84%
|
85%
|
UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | - | - | - | - |
Tuesday (23 September 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
Temperature (°C) |
9°
|
9°
|
8°
|
8°
|
12°
|
14°
|
14°
|
13°
|
10°
|
Feels like temperature (°C) |
9°
|
8°
|
7°
|
7°
|
11°
|
12°
|
13°
|
12°
|
10°
|
Wind direction and speed (mph) | – |
ENE
3
|
ESE
4
|
ENE
3
|
E
6
|
SE
8
|
W
9
|
S
6
|
SE
4
|
Wind gust (mph) | – |
3
|
4
|
5
|
12
|
13
|
11
|
7
|
4
|
Visibility (description) |
VG
|
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
Humidity |
86%
|
87%
|
90%
|
91%
|
75%
|
61%
|
60%
|
76%
|
87%
|
UV | - | - | - | 1 | 2 | 4 | 2 | 1 | - |
Wednesday (24 September 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%
|
10%
|
10%
|
10%
|
10%
|
Temperature (°C) |
10°
|
9°
|
9°
|
13°
|
15°
|
15°
|
14°
|
11°
|
Feels like temperature (°C) |
9°
|
8°
|
8°
|
12°
|
13°
|
13°
|
12°
|
10°
|
Wind direction and speed (mph) |
SE
4
|
ESE
4
|
ESE
4
|
ESE
6
|
SSE
9
|
SSW
10
|
S
7
|
SE
5
|
Wind gust (mph) |
4
|
4
|
5
|
12
|
14
|
11
|
7
|
5
|
Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
G
|
Humidity |
89%
|
91%
|
92%
|
79%
|
65%
|
66%
|
84%
|
92%
|
UV | - | - | 1 | 2 | 4 | 2 | 1 | - |
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Forecast
Forecast for 04:00 (UTC+1), Thu
Updated 02:25 (UTC+1) on Thu 18 Sep 2025
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