St Helier (Jersey) weather
Find a forecast
Nearest forecast to your detected location
Forecast days
-
25° Maximum daytime temperature: 25° Celsius; 16° Minimum nighttime temperature: 16° Celsius;
Sunrise:
Sunset:
25° Maximum daytime temperature: 25° Celsius; 16° Minimum nighttime temperature: 16° Celsius; -
25° Maximum daytime temperature: 25° Celsius; 16° Minimum nighttime temperature: 16° Celsius;
Sunrise:
Sunset:
25° Maximum daytime temperature: 25° Celsius; 16° Minimum nighttime temperature: 16° Celsius; -
22° Maximum daytime temperature: 22° Celsius; 17° Minimum nighttime temperature: 17° Celsius;
Sunrise:
Sunset:
Sunny intervals changing to partly cloudy by early evening.H UVL PollutionNo pollen data.First high tide: forHavre Des Pas (Beach)22° Maximum daytime temperature: 22° Celsius; 17° Minimum nighttime temperature: 17° Celsius; -
23° Maximum daytime temperature: 23° Celsius; 16° Minimum nighttime temperature: 16° Celsius;
Sunrise:
Sunset:
Sunny intervals changing to partly cloudy by early evening.H UVM PollutionNo pollen data.First high tide: forHavre Des Pas (Beach)23° Maximum daytime temperature: 23° Celsius; 16° Minimum nighttime temperature: 16° Celsius; -
20° Maximum daytime temperature: 20° Celsius; 16° Minimum nighttime temperature: 16° Celsius;
Sunrise:
Sunset:
Cloudy changing to sunny intervals by lunchtime.M UVL PollutionNo pollen data.First high tide: forHavre Des Pas (Beach)20° Maximum daytime temperature: 20° Celsius; 16° Minimum nighttime temperature: 16° Celsius; -
19° Maximum daytime temperature: 19° Celsius; 16° Minimum nighttime temperature: 16° Celsius;
Sunrise:
Sunset:
19° Maximum daytime temperature: 19° Celsius; 16° Minimum nighttime temperature: 16° Celsius; -
19° Maximum daytime temperature: 19° Celsius; 17° Minimum nighttime temperature: 17° Celsius;
Sunrise:
Sunset:
19° Maximum daytime temperature: 19° Celsius; 17° Minimum nighttime temperature: 17° Celsius;
Sunny intervals changing to partly cloudy by early evening.
H UV
L Pollution
No pollen data.
First high tide: for
Havre Des Pas (Beach)
Sunny intervals changing to partly cloudy by early evening.
H UV
M Pollution
No pollen data.
First high tide: for
Havre Des Pas (Beach)
Cloudy changing to sunny intervals by lunchtime.
M UV
L Pollution
No pollen data.
First high tide: for
Havre Des Pas (Beach)
Sunny intervals.
H UV
No pollution data.
No pollen data.
First high tide: for
Havre Des Pas (Beach)
Sunny.
H UV
No pollution data.
No pollen data.
First high tide: for
Havre Des Pas (Beach)
7 day forecast for St Helier
Today (16 August 2025)
Time |
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
---|---|---|---|---|---|---|
Weather symbols | ||||||
Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
Temperature (°C) |
21°
|
21°
|
20°
|
19°
|
19°
|
18°
|
Feels like temperature (°C) |
18°
|
18°
|
17°
|
16°
|
16°
|
15°
|
Wind direction and speed (mph) |
ENE
18
|
ENE
18
|
ENE
17
|
ENE
16
|
ENE
16
|
ENE
17
|
Wind gust (mph) |
30
|
31
|
32
|
32
|
33
|
34
|
Visibility (description) |
VG
|
G
|
G
|
G
|
G
|
G
|
Humidity |
74%
|
76%
|
82%
|
84%
|
84%
|
84%
|
UV | 1 | 1 | 1 | - | - | - |
Sunday (17 August 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°
|
18°
|
18°
|
18°
|
17°
|
17°
|
17°
|
17°
|
17°
|
18°
|
19°
|
21°
|
22°
|
23°
|
23°
|
23°
|
23°
|
22°
|
21°
|
20°
|
19°
|
19°
|
18°
|
18°
|
Feels like temperature (°C) |
15°
|
15°
|
16°
|
15°
|
15°
|
15°
|
15°
|
14°
|
15°
|
16°
|
17°
|
18°
|
19°
|
20°
|
21°
|
20°
|
20°
|
19°
|
18°
|
17°
|
16°
|
16°
|
16°
|
16°
|
Wind direction and speed (mph) |
ENE
16
|
ENE
15
|
ENE
15
|
ENE
14
|
ENE
14
|
ENE
14
|
E
14
|
E
14
|
E
15
|
E
15
|
E
14
|
E
13
|
E
13
|
E
12
|
ENE
13
|
ENE
14
|
ENE
15
|
ENE
16
|
ENE
16
|
ENE
16
|
ENE
16
|
ENE
16
|
ENE
15
|
ENE
15
|
Wind gust (mph) |
32
|
31
|
29
|
28
|
28
|
28
|
28
|
27
|
27
|
25
|
23
|
20
|
17
|
17
|
18
|
23
|
27
|
29
|
30
|
32
|
32
|
32
|
32
|
31
|
Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
Humidity |
85%
|
86%
|
86%
|
85%
|
84%
|
84%
|
84%
|
83%
|
76%
|
74%
|
67%
|
64%
|
56%
|
54%
|
53%
|
54%
|
55%
|
57%
|
61%
|
65%
|
73%
|
78%
|
84%
|
85%
|
UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 4 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 | 1 | 1 | - | - | - |
Monday (18 August 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%
|
10%
|
30%
|
30%
|
30%
|
30%
|
30%
|
Temperature (°C) |
18°
|
18°
|
18°
|
17°
|
19°
|
21°
|
21°
|
20°
|
19°
|
Feels like temperature (°C) |
16°
|
16°
|
15°
|
15°
|
16°
|
18°
|
18°
|
18°
|
17°
|
Wind direction and speed (mph) |
ENE
14
|
ENE
13
|
E
14
|
E
12
|
ENE
12
|
ENE
13
|
ENE
13
|
ENE
12
|
ENE
11
|
Wind gust (mph) |
29
|
28
|
28
|
24
|
27
|
25
|
24
|
24
|
22
|
Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
Humidity |
86%
|
86%
|
75%
|
75%
|
65%
|
59%
|
63%
|
71%
|
82%
|
UV | - | - | - | 1 | 4 | 6 | 3 | 1 | - |
Tuesday (19 August 2025)
Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
---|---|---|---|---|---|---|---|---|
Weather symbols | ||||||||
Chance of precipitation |
30%
|
20%
|
20%
|
30%
|
30%
|
20%
|
40%
|
40%
|
Temperature (°C) |
18°
|
18°
|
18°
|
20°
|
21°
|
21°
|
20°
|
19°
|
Feels like temperature (°C) |
17°
|
18°
|
17°
|
19°
|
20°
|
20°
|
19°
|
17°
|
Wind direction and speed (mph) |
ENE
9
|
NE
8
|
ENE
8
|
ENE
9
|
NE
10
|
NNE
10
|
NNE
10
|
NNE
10
|
Wind gust (mph) |
19
|
17
|
15
|
15
|
17
|
18
|
17
|
15
|
Visibility (description) |
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
Humidity |
86%
|
91%
|
87%
|
78%
|
69%
|
66%
|
72%
|
80%
|
UV | - | - | 1 | 4 | 5 | 3 | 1 | - |
Wednesday (20 August 2025)
Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
---|---|---|---|---|---|---|---|---|
Weather symbols | ||||||||
Chance of precipitation |
40%
|
30%
|
30%
|
30%
|
30%
|
10%
|
10%
|
10%
|
Temperature (°C) |
17°
|
17°
|
17°
|
18°
|
19°
|
19°
|
19°
|
18°
|
Feels like temperature (°C) |
16°
|
15°
|
15°
|
17°
|
17°
|
18°
|
17°
|
17°
|
Wind direction and speed (mph) |
NNE
10
|
NNE
12
|
NNE
11
|
NE
11
|
NE
11
|
NNE
11
|
NE
10
|
NE
8
|
Wind gust (mph) |
14
|
13
|
12
|
16
|
21
|
21
|
18
|
15
|
Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
Humidity |
90%
|
90%
|
88%
|
81%
|
76%
|
73%
|
74%
|
78%
|
UV | - | - | 1 | 3 | 5 | 3 | 1 | - |
Thursday (21 August 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
Temperature (°C) |
17°
|
17°
|
16°
|
17°
|
18°
|
18°
|
18°
|
18°
|
Feels like temperature (°C) |
16°
|
16°
|
15°
|
16°
|
16°
|
15°
|
16°
|
17°
|
Wind direction and speed (mph) |
NE
8
|
NE
9
|
NE
10
|
NE
11
|
NNE
11
|
N
12
|
N
10
|
NNE
7
|
Wind gust (mph) |
15
|
15
|
14
|
14
|
14
|
15
|
13
|
11
|
Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
Humidity |
83%
|
80%
|
77%
|
75%
|
72%
|
72%
|
68%
|
69%
|
UV | - | - | 1 | 4 | 7 | 3 | 1 | - |
Friday (22 August 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%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
Temperature (°C) |
17°
|
17°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
Feels like temperature (°C) |
17°
|
17°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
Wind direction and speed (mph) |
NNE
7
|
NNE
6
|
E
7
|
ESE
8
|
E
8
|
NNW
8
|
NNE
8
|
ENE
8
|
Wind gust (mph) |
9
|
9
|
10
|
10
|
9
|
9
|
11
|
10
|
Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
Humidity |
74%
|
77%
|
78%
|
75%
|
75%
|
73%
|
76%
|
74%
|
UV | - | - | 1 | 4 | 7 | 3 | 1 | - |
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Forecast for 18:00 (UTC+1), Sat
Updated 16:07 (UTC+1) on Sat 16 Aug 2025
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