St Helier (Jersey) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 16° Celsius; -
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 16° Celsius; -
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 13° Celsius;
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 11° Celsius; -
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 12° Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 14° Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 14° Celsius;
Clear.
Sunrise:
Sunset:
M UV
L Pollution
No pollen data.
Next low tide: tomorrow for
Havre Des Pas (Beach)
7 day forecast for St Helier
Today (18 September 2025)
| Time |
21:00
|
22:00
|
23:00
|
|---|---|---|---|
| Weather symbols |  |
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
| Temperature |
17°
|
17°
|
17°
|
| Feels like temperature (°C) |
18°
|
17°
|
17°
|
| Wind direction and speed |
ENE
3
|
E
3
|
ESE
4
|
| Wind gust (mph) |
7
|
9
|
10
|
| Visibility |
VG
|
VG
|
VG
|
| Humidity |
92%
|
93%
|
93%
|
| UV | - | - | - |
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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
18°
|
18°
|
19°
|
19°
|
20°
|
20°
|
20°
|
19°
|
19°
|
18°
|
17°
|
17°
|
17°
|
17°
|
17°
|
| Feels like temperature (°C) |
17°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
17°
|
18°
|
18°
|
18°
|
19°
|
19°
|
19°
|
20°
|
20°
|
19°
|
18°
|
18°
|
17°
|
17°
|
17°
|
18°
|
| Wind direction and speed (mph) |
ESE
4
|
SE
5
|
SE
5
|
SE
5
|
SE
5
|
SSE
5
|
SSE
4
|
S
4
|
S
5
|
S
6
|
SSW
7
|
SSW
7
|
SSW
7
|
SW
6
|
SW
6
|
WSW
5
|
WSW
6
|
NW
6
|
NNE
6
|
NNE
5
|
NE
4
|
ENE
4
|
E
4
|
E
4
|
| Wind gust (mph) |
11
|
13
|
13
|
13
|
13
|
11
|
10
|
10
|
13
|
14
|
12
|
11
|
10
|
9
|
10
|
10
|
11
|
10
|
10
|
10
|
8
|
7
|
9
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
| Humidity |
94%
|
95%
|
95%
|
94%
|
94%
|
93%
|
93%
|
93%
|
92%
|
86%
|
81%
|
77%
|
76%
|
75%
|
75%
|
75%
|
77%
|
81%
|
84%
|
90%
|
91%
|
92%
|
92%
|
92%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 4 | 3 | 2 | 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 |
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
10%
|
10%
|
20%
|
20%
|
10%
|
10%
|
30%
|
30%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
17°
|
18°
|
18°
|
18°
|
17°
|
17°
|
17°
|
16°
|
17°
|
17°
|
18°
|
18°
|
19°
|
19°
|
19°
|
19°
|
19°
|
18°
|
18°
|
17°
|
16°
|
16°
|
16°
|
15°
|
| Feels like temperature (°C) |
18°
|
18°
|
18°
|
18°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
17°
|
16°
|
16°
|
15°
|
14°
|
14°
|
13°
|
13°
|
12°
|
13°
|
12°
|
| Wind direction and speed (mph) |
SE
5
|
S
6
|
SW
6
|
SW
6
|
SW
6
|
WSW
5
|
WSW
5
|
SSW
6
|
S
7
|
SSW
10
|
SSW
12
|
SW
13
|
SSW
14
|
SW
15
|
SW
17
|
SW
18
|
WSW
19
|
WSW
19
|
WSW
19
|
WSW
19
|
WSW
18
|
WSW
17
|
WSW
16
|
WSW
16
|
| Wind gust (mph) |
11
|
12
|
12
|
11
|
10
|
10
|
11
|
14
|
17
|
20
|
22
|
23
|
23
|
24
|
30
|
33
|
35
|
37
|
39
|
36
|
33
|
33
|
32
|
31
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
92%
|
92%
|
94%
|
92%
|
93%
|
93%
|
94%
|
94%
|
92%
|
90%
|
86%
|
85%
|
84%
|
79%
|
75%
|
70%
|
67%
|
68%
|
69%
|
69%
|
69%
|
71%
|
71%
|
72%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 4 | 3 | 2 | 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 |
30%
|
30%
|
30%
|
30%
|
40%
|
50%
|
50%
|
50%
|
40%
|
50%
|
50%
|
40%
|
50%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
50%
|
50%
|
50%
|
50%
|
50%
|
| Temperature (°C) |
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
14°
|
14°
|
13°
|
13°
|
13°
|
| Feels like temperature (°C) |
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
12°
|
12°
|
12°
|
| Wind direction and speed (mph) |
WSW
15
|
WSW
15
|
WSW
14
|
WSW
13
|
W
13
|
W
12
|
W
11
|
W
11
|
WNW
11
|
W
11
|
WNW
11
|
WNW
11
|
WNW
11
|
WNW
11
|
NW
11
|
NW
11
|
NW
11
|
NW
11
|
NW
10
|
NW
10
|
NNW
9
|
NNW
8
|
N
8
|
NNW
8
|
| Wind gust (mph) |
31
|
30
|
30
|
26
|
24
|
25
|
25
|
25
|
23
|
21
|
19
|
17
|
18
|
19
|
21
|
21
|
21
|
21
|
21
|
23
|
21
|
18
|
18
|
18
|
| 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 |
73%
|
74%
|
74%
|
75%
|
75%
|
76%
|
76%
|
76%
|
74%
|
70%
|
66%
|
64%
|
60%
|
60%
|
62%
|
62%
|
63%
|
63%
|
67%
|
71%
|
72%
|
73%
|
72%
|
74%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 5 | 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 |
60%
|
60%
|
60%
|
60%
|
60%
|
60%
|
50%
|
50%
|
40%
|
40%
|
50%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
30%
|
30%
|
30%
|
| Temperature (°C) |
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
12°
|
13°
|
13°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
| Feels like temperature (°C) |
12°
|
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
11°
|
11°
|
| Wind direction and speed (mph) |
N
8
|
N
8
|
N
9
|
NNE
10
|
NNE
10
|
NNE
10
|
NNE
11
|
NNE
11
|
NNE
11
|
NNE
13
|
NNE
13
|
NNE
14
|
NNE
15
|
NNE
15
|
NNE
15
|
NNE
15
|
NNE
15
|
NNE
14
|
NNE
14
|
NNE
13
|
NNE
12
|
NNE
12
|
NNE
13
|
NNE
14
|
| Wind gust (mph) |
19
|
21
|
22
|
21
|
24
|
26
|
26
|
27
|
30
|
32
|
31
|
32
|
33
|
33
|
32
|
32
|
31
|
30
|
29
|
29
|
29
|
30
|
30
|
30
|
| 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 |
75%
|
77%
|
79%
|
78%
|
78%
|
76%
|
78%
|
78%
|
75%
|
72%
|
69%
|
67%
|
64%
|
62%
|
62%
|
60%
|
60%
|
60%
|
61%
|
60%
|
63%
|
64%
|
65%
|
63%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 4 | 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 |
30%
|
30%
|
30%
|
30%
|
30%
|
30%
|
20%
|
30%
|
20%
|
| Temperature (°C) |
14°
|
14°
|
13°
|
13°
|
14°
|
15°
|
15°
|
15°
|
15°
|
| Feels like temperature (°C) |
11°
|
11°
|
10°
|
10°
|
11°
|
11°
|
11°
|
12°
|
12°
|
| Wind direction and speed (mph) |
NE
14
|
NNE
14
|
NNE
14
|
NNE
15
|
NNE
16
|
NNE
17
|
NNE
18
|
NNE
17
|
NNE
15
|
| Wind gust (mph) |
30
|
31
|
29
|
29
|
27
|
26
|
25
|
22
|
19
|
| Visibility (description) |
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
62%
|
64%
|
66%
|
68%
|
66%
|
65%
|
64%
|
62%
|
62%
|
| 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 |
30%
|
30%
|
30%
|
30%
|
20%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
15°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
| Feels like temperature (°C) |
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
| Wind direction and speed (mph) |
NNE
14
|
NNE
13
|
NNE
14
|
NNE
14
|
NNE
14
|
N
14
|
N
14
|
NNE
12
|
| Wind gust (mph) |
18
|
17
|
17
|
16
|
16
|
17
|
17
|
16
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
65%
|
69%
|
69%
|
69%
|
68%
|
67%
|
66%
|
67%
|
| UV | - | - | 1 | 3 | 4 | 2 | 1 | - |
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Forecast
Forecast for 21:00 (UTC+1), Thu
Updated 20:12 (UTC+1) on Thu 18 Sep 2025
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