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: 20° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 13° Celsius; -
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 12° Celsius; -
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 13° Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 14° Celsius;
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 14° Celsius;
Overcast changing to sunny intervals in the afternoon.
Sunrise:
Sunset:
M UV
L Pollution
No pollen data.
Next high tide: for
Havre Des Pas (Beach)
7 day forecast for St Helier
Today (18 September 2025)
| Time |
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%
|
<5%
|
<5%
|
| Temperature |
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
19°
|
19°
|
20°
|
20°
|
21°
|
21°
|
21°
|
21°
|
20°
|
19°
|
18°
|
18°
|
18°
|
18°
|
| Feels like temperature (°C) |
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
18°
|
18°
|
19°
|
19°
|
20°
|
20°
|
20°
|
20°
|
19°
|
18°
|
18°
|
18°
|
18°
|
| Wind direction and speed |
SW
11
|
SW
10
|
SW
10
|
SW
10
|
SW
11
|
SW
11
|
SW
10
|
SW
11
|
SW
11
|
SSW
11
|
SSW
11
|
SSW
11
|
SSW
10
|
SSW
10
|
S
9
|
S
8
|
SSE
7
|
SE
6
|
ESE
5
|
ESE
4
|
ESE
4
|
SE
5
|
SSE
5
|
| Wind gust (mph) |
23
|
23
|
23
|
23
|
23
|
23
|
23
|
23
|
21
|
21
|
19
|
16
|
14
|
12
|
11
|
11
|
11
|
10
|
10
|
9
|
10
|
11
|
11
|
| Visibility |
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
86%
|
88%
|
91%
|
92%
|
92%
|
92%
|
92%
|
91%
|
86%
|
85%
|
82%
|
78%
|
75%
|
74%
|
72%
|
71%
|
73%
|
76%
|
84%
|
85%
|
86%
|
88%
|
90%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 4 | 3 | 2 | 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 |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
18°
|
17°
|
17°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
17°
|
17°
|
18°
|
18°
|
19°
|
19°
|
19°
|
20°
|
19°
|
19°
|
18°
|
18°
|
18°
|
18°
|
18°
|
| Feels like temperature (°C) |
18°
|
17°
|
17°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
17°
|
17°
|
18°
|
18°
|
18°
|
19°
|
19°
|
20°
|
20°
|
19°
|
18°
|
18°
|
18°
|
18°
|
18°
|
| Wind direction and speed (mph) |
SSE
5
|
S
5
|
S
5
|
S
5
|
S
5
|
SSW
5
|
SSW
5
|
SW
5
|
WSW
5
|
WSW
6
|
SW
6
|
SW
6
|
SW
6
|
SSW
6
|
SSW
6
|
SSW
6
|
S
5
|
SE
5
|
ESE
5
|
E
5
|
E
5
|
ESE
5
|
E
5
|
ESE
4
|
| Wind gust (mph) |
11
|
12
|
12
|
13
|
13
|
13
|
12
|
11
|
11
|
11
|
9
|
9
|
9
|
9
|
10
|
10
|
9
|
9
|
8
|
8
|
9
|
9
|
9
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
91%
|
92%
|
92%
|
92%
|
93%
|
94%
|
94%
|
94%
|
92%
|
86%
|
84%
|
82%
|
79%
|
76%
|
75%
|
74%
|
74%
|
75%
|
77%
|
84%
|
87%
|
88%
|
90%
|
91%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 4 | 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%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
30%
|
30%
|
20%
|
20%
|
10%
|
20%
|
20%
|
20%
|
20%
|
30%
|
30%
|
| Temperature (°C) |
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
16°
|
17°
|
17°
|
18°
|
18°
|
18°
|
19°
|
19°
|
19°
|
18°
|
18°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
| Feels like temperature (°C) |
18°
|
18°
|
17°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
16°
|
16°
|
15°
|
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
| Wind direction and speed (mph) |
SSW
4
|
S
4
|
SSE
5
|
S
5
|
SW
6
|
SW
6
|
SW
6
|
SW
6
|
SSW
6
|
SSW
8
|
SSW
10
|
SSW
11
|
SSW
12
|
SW
13
|
SW
14
|
WSW
15
|
WSW
15
|
WSW
15
|
W
16
|
W
16
|
W
15
|
W
15
|
W
14
|
WSW
14
|
| Wind gust (mph) |
7
|
9
|
10
|
12
|
13
|
13
|
13
|
14
|
15
|
15
|
20
|
21
|
21
|
23
|
21
|
24
|
26
|
26
|
30
|
31
|
31
|
30
|
30
|
29
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
E
|
| Humidity |
92%
|
93%
|
94%
|
94%
|
94%
|
95%
|
93%
|
92%
|
90%
|
87%
|
87%
|
86%
|
83%
|
80%
|
78%
|
74%
|
75%
|
72%
|
74%
|
75%
|
75%
|
74%
|
73%
|
74%
|
| 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%
|
30%
|
40%
|
40%
|
40%
|
40%
|
50%
|
50%
|
50%
|
50%
|
50%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
50%
|
50%
|
| Temperature (°C) |
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
13°
|
| Feels like temperature (°C) |
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
12°
|
12°
|
11°
|
| Wind direction and speed (mph) |
WSW
13
|
WSW
13
|
WSW
12
|
WSW
12
|
W
12
|
W
11
|
W
11
|
W
11
|
W
11
|
W
11
|
WNW
12
|
WNW
12
|
NW
13
|
NW
12
|
WNW
12
|
NW
12
|
NNW
12
|
N
12
|
NNW
11
|
N
11
|
N
10
|
N
10
|
N
11
|
N
11
|
| Wind gust (mph) |
27
|
27
|
27
|
25
|
24
|
24
|
23
|
21
|
21
|
22
|
21
|
20
|
20
|
19
|
19
|
20
|
20
|
21
|
19
|
19
|
20
|
21
|
21
|
21
|
| 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 |
74%
|
75%
|
75%
|
75%
|
75%
|
76%
|
75%
|
76%
|
75%
|
72%
|
69%
|
68%
|
67%
|
65%
|
63%
|
64%
|
66%
|
66%
|
67%
|
69%
|
69%
|
72%
|
74%
|
74%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 3 | 4 | 4 | 4 | 4 | 3 | 2 | 1 | 1 | 1 | - | - | - | - |
Monday (22 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 |
50%
|
60%
|
60%
|
60%
|
60%
|
50%
|
30%
|
30%
|
30%
|
| Temperature (°C) |
13°
|
13°
|
13°
|
13°
|
14°
|
15°
|
15°
|
15°
|
15°
|
| Feels like temperature (°C) |
11°
|
11°
|
11°
|
10°
|
11°
|
12°
|
12°
|
12°
|
12°
|
| Wind direction and speed (mph) |
NNE
11
|
NNE
11
|
NE
12
|
NNE
13
|
NE
16
|
NNE
17
|
NE
18
|
NE
19
|
NE
18
|
| Wind gust (mph) |
19
|
19
|
23
|
25
|
26
|
25
|
26
|
27
|
25
|
| Visibility (description) |
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
73%
|
75%
|
76%
|
76%
|
74%
|
70%
|
71%
|
67%
|
67%
|
| UV | - | - | - | 1 | 3 | 4 | 2 | 1 | - |
Tuesday (23 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%
|
30%
|
30%
|
30%
|
30%
|
| Temperature (°C) |
15°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
| Feels like temperature (°C) |
12°
|
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
| Wind direction and speed (mph) |
NNE
16
|
NNE
17
|
NNE
17
|
NNE
17
|
NNE
17
|
N
18
|
N
17
|
NNE
15
|
| Wind gust (mph) |
25
|
23
|
23
|
23
|
20
|
20
|
19
|
18
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
67%
|
67%
|
72%
|
68%
|
67%
|
66%
|
65%
|
66%
|
| 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%
|
30%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
15°
|
15°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
| Feels like temperature (°C) |
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
| Wind direction and speed (mph) |
NNE
15
|
NNE
14
|
NNE
15
|
NNE
15
|
NNE
16
|
NNE
16
|
NNE
15
|
NNE
12
|
| Wind gust (mph) |
17
|
18
|
18
|
17
|
18
|
19
|
18
|
17
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
71%
|
70%
|
73%
|
74%
|
72%
|
71%
|
69%
|
69%
|
| UV | - | - | 1 | 2 | 4 | 1 | 1 | - |
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Forecast
Forecast for 01:00 (UTC+1), Thu
Updated 23:07 (UTC+1) on Wed 17 Sep 2025
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