Saint Helier weather — 10-day forecast

Temperature, rain, wind and feels-like in Saint Helier, hour by hour and over 10 days, with the seasonal normal for context.

Now

Reading from 18:00 · Meteo-France AROME 1.3 km model

20 °C

Mainly clear

Feels like 16 °C

17.6 km/hforce 3

Next 12 h

  • 1820°
  • 1919°
  • 2018°
  • 20:39Sunset
  • 2117°
  • 2217°
  • 2317°
  • 0017°
  • 0116°
  • 0216°
  • 0315°
  • 0415°
  • 0515°
  • 05:51Sunrise
  • 0616°

20°18:00 15°04:00

Humidity
55 %
Dew point
10 °C
Gusts
33.3 km/h
Clouds
27 %
Pressure
1,023 hPa ↓

Grid point 0.4 km away · 1.3 km grid · elevation 27 m

Air quality

The European air-quality index for the city, and the pollutants that set it.

Reading from 19:00
30
Fair

Index set by Ozone

Ozone
74.4µg/m³
PM2.5
7.8µg/m³
PM10
11.6µg/m³
Nitrogen dioxide
1.1µg/m³
Sulphur dioxide
0.8µg/m³
Carbon monoxide
114.0µg/m³
Dust (AOD)
0.01

Generated using Copernicus Atmosphere Monitoring Service information

Hour by hour

Step-by-step detail: temperature, wind, cloud cover and ultraviolet.

Estimated from a deterministic model, not an ensemble probability.
°C

10 days

Each day's extremes and the chance of rain, out to the end of the run.

15° → 29°

Rain probability (> 1 mm): 50 ECMWF ensemble members.

  • Today

    Mainly clear

    22°

    17°

  • Sat

    Overcast

    29°

    15°

  • Sun

    Mainly clear

    26°

    19°

  • Mon

    Mainly clear

    22°

    18°

  • Tue

    Clear sky

    28°

    19°

  • Wed

    Partly cloudy

    28°

    23°

  • Thu

    Mainly clear

    22°

    20°

  • Fri

    Light rain11 mm

    21°

    20°

  • Sat

    Clear sky

    22°

    20°

  • Sun

    Partly cloudy

    20°

    20°

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV8high
Sunrise
05:49
Daylight
14 h 50
Sunset
20:39

Radiation · 19.6 MJ/m²

Sea state

Sea state at the marine grid point closest to the city.

0.4 mperiod 3 s 347°

Significant height: the mean of the highest third of waves. Individual waves reach about twice it.

Data: ECMWF

Today in Saint Helier the mean temperature will be 19.6 °C — +2.5 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)

Saint Helier climate — normals and trends