14-day forecast Updated 23:07
Tue · Today · 15 Sep
Sunny
22°
14°
15%
⌄
Wind 16 mph W
Gusts 24 mph
UV index 4 – Moderate
Chance of rain 15%
Sunrise 06:36
Sunset 19:15
Wed · Tomorrow · 16 Sep
Sunny
17°
11°
9%
⌄
Wind 13 mph NW
Gusts 21 mph
UV index 3 – Low
Chance of rain 9%
Sunrise 06:37
Sunset 19:13
Thursday · 17 Sep
Cloudy
21°
11°
0.5 mm
⌄
Wind 17 mph SW
Gusts 29 mph
UV index 3 – Moderate
Chance of rain 40%
Sunrise 06:39
Sunset 19:11
Friday · 18 Sep
Cloudy
19°
9°
17%
⌄
Wind 16 mph SW
Gusts 28 mph
UV index 4 – Moderate
Chance of rain 17%
Sunrise 06:40
Sunset 19:09
Saturday · 19 Sep
Cloudy
21°
14°
0.3 mm
⌄
Wind 17 mph W
Gusts 28 mph
UV index 3 – Low
Chance of rain 45%
Sunrise 06:42
Sunset 19:06
Sunday · 20 Sep
Cloudy
21°
12°
12%
⌄
Wind 11 mph W
Gusts 23 mph
UV index 5 – Moderate
Chance of rain 12%
Sunrise 06:43
Sunset 19:04
Monday · 21 Sep
Sunny
22°
14°
7%
⌄
Wind 11 mph NW
Gusts 12 mph
UV index 6 – High
Chance of rain 7%
Sunrise 06:45
Sunset 19:02
Tuesday · 22 Sep
Sunny
22°
15°
10%
⌄
Wind 11 mph NE
Gusts 20 mph
UV index 6 – High
Chance of rain 10%
Sunrise 06:47
Sunset 18:59
Wednesday · 23 Sep
Sunny
23°
14°
6%
⌄
Wind 10 mph E
Gusts 18 mph
UV index 6 – High
Chance of rain 6%
Sunrise 06:48
Sunset 18:57
Thursday · 24 Sep
Sunny
24°
14°
6%
⌄
Wind 11 mph NW
Gusts 16 mph
UV index 6 – High
Chance of rain 6%
Sunrise 06:50
Sunset 18:55
Friday · 25 Sep
Cloudy
20°
11°
16%
⌄
Wind 11 mph NE
Gusts 19 mph
UV index 4 – Moderate
Chance of rain 16%
Sunrise 06:51
Sunset 18:52
Saturday · 26 Sep
Sunny intervals
22°
10°
11%
⌄
Wind 7 mph NE
Gusts 14 mph
UV index 6 – High
Chance of rain 11%
Sunrise 06:53
Sunset 18:50
Sunday · 27 Sep
Sunny
23°
12°
5%
⌄
Wind 8 mph SW
Gusts 19 mph
UV index 6 – High
Chance of rain 5%
Sunrise 06:55
Sunset 18:48
Monday · 28 Sep
Cloudy
18°
11°
17%
⌄
Wind 13 mph NW
Gusts 21 mph
UV index 4 – Moderate
Chance of rain 17%
Sunrise 06:56
Sunset 18:46
Conditions & indices
UV index
4 — Moderate
Max today
Air quality
Low
DAQI 1 / 10
Visibility
6 mi
Good visibility
🗺️ St. Helier and what is nearby
Forecast day by day — press play
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Markers show the daytime high for the selected day. Tap a marker for St. Helier detail; two fingers to move and zoom the map.
Pollen — St. Helier
Sunrise 06:36
Sunset 19:15
Day length 12h 39m
Moonrise 12:19
Moonset 20:22
Moon phase 🌔 Waxing Crescent
Latitude 51.3822°N
Longitude -0.1834°E
Brighton Beach (63km) 19°
Southend-on-Sea (64km) 19°
Bognor Regis (75km) 19°
Eastbourne (76km) 19°
West Wittering (84km) 19°
Whitstable (84km) 20°
🌤️ Dry over the next 90 minutes
Now +30 +60 +90 min
Rain minute by minute · UKV nowcast
Today’s index derived from today’s forecast
Drying weather
OK
Hang the washing out
BBQ weather
Good
Barbecue outdoors
Running weather
OK
Go for a run
Beer garden
Good
Drinks outside
Other places in the same county / region
Sources · Tuesday 15 September
Weather data for St. Helier from official sources
The forecast is compiled from global weather models (14-day forecast, UV, air quality, pollen and warnings) together with the UK Met Office UKV model . Data updates every hour, warnings every 15 minutes. Lat 51.3822°N, lon -0.1834°E.