St Helier weather live forecast

Today's maximum temperature in St Helier is expected to be 18°C. Select a day from the live weather forecast for St Helier, Jersey for more weather parameters.

Thursday
17th Sep
18

15

5

3
Friday
18th Sep
18

14

4

4
Saturday
19th Sep
19

17

2

3
Sunday
20th Sep
18

17

3

4
Monday
21st Sep
19

17

5

4

5-day weather forecast updated at 04:00 on Wednesday 16th September 2026 GMT

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The 5-day weather forecast for Jersey, represented by St Helier, (St Helier) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

St Helier weather forecast by day

Below are the detailed weather forecasts for St Helier for the next 5 days.

St Helier weather for Thursday 17th September 2026

Expect mostly cloudy with light rain in St Helier, Jersey with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 82% chance of some rain and a fresh breeze of 33 kph from the west.

18
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
3
UV index (Moderate)
82
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
33
kph wind from W

St Helier weather for Friday 18th September 2026

Expect broken clouds in St Helier, Jersey with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the west.

18
°C maximum temperature
14
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
28
kph wind from W

St Helier weather for Saturday 19th September 2026

Expect broken clouds in St Helier, Jersey with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the south-west.

19
°C maximum temperature
17
°C minimum temperature
broken clouds
2
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
28
kph wind from SW

St Helier weather for Sunday 20th September 2026

Expect broken clouds in St Helier, Jersey with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the west.

18
°C maximum temperature
17
°C minimum temperature
broken clouds
3
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
21
kph wind from W

St Helier weather for Monday 21st September 2026

Expect broken clouds in St Helier, Jersey with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north.