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St. Helier Weather Forecast

Temperature, wind, rain and more for St. Helier

Dorset, United Kingdom

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Thu 22
Jan		06:00

SSE
SSE

 14 / 26 mph 46 / 39°F 89% 985 mb
Low level cloud: 97%
Mid level cloud: 45%
High level cloud: 12%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

 6 / 13 mph 44 / 40°F 93% 986 mb
Low level cloud: 99%
Mid level cloud: 91%
High level cloud: 95%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

 25 / 53 mph 42 / 32°F 86% 988 mb
Low level cloud: 51%
Mid level cloud: 32%
High level cloud: 8%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

 23 / 49 mph 41 / 31°F 82% 989 mb
Low level cloud: 32%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

 17 / 36 mph 42 / 34°F 81% 990 mb
Low level cloud: 7%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

S
S

 19 / 39 mph 43 / 35°F 84% 989 mb
Low level cloud: 1%
Mid level cloud: 6%
High level cloud: 21%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 23
Jan		00:00

SSE
SSE

 27 / 53 mph 42 / 32°F 86% 987 mb
Low level cloud: 9%
Mid level cloud: 17%
High level cloud: 61%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SE
SE

 33 / 60 mph 43 / 31°F 89% 983 mb
Low level cloud: 89%
Mid level cloud: 100%
High level cloud: 77%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
06:00

SSW
SSW

 30 / 55 mph 43 / 33°F 77% 982 mb
Low level cloud: 16%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

S
S

 32 / 60 mph 42 / 31°F 74% 983 mb
Low level cloud: 1%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSE
SSE

 36 / 72 mph 41 / 28°F 82% 983 mb
Low level cloud: 53%
Mid level cloud: 25%
High level cloud: 0%
Most Significant Cloud Type: low
62%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SSE
SSE

 41 / 86 mph 40 / 27°F 74% 982 mb
Low level cloud: 49%
Mid level cloud: 43%
High level cloud: 25%
Most Significant Cloud Type: low
66%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSE
SSE

 42 / 74 mph 41 / 28°F 91% 981 mb
Low level cloud: 100%
Mid level cloud: 66%
High level cloud: 62%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

S
S

 35 / 74 mph 42 / 30°F 83% 983 mb
Low level cloud: 65%
Mid level cloud: 54%
High level cloud: 58%
Most Significant Cloud Type: low
90%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In

Other Locations Near to St. Helier

The 7 day weather forecast summary for St. Helier:

For St. Helier in the coming week the average daytime maximum temperature will be around 7°C, with a high for the week of 8°C expected on the afternoon of Monday 26th. The mean minimum temperature will be 6°C, dipping to its lowest on the afternoon of Saturday 24th at 4°C. Expect the coming week to have some days seeing a little precipitation and some days with rain. Predictions are Sunday 24th will have the most precipitation with an accumulation of around 9.0mm. On the whole winds are likely to be strong. The strongest wind will be experienced on Friday evening, coming from a southerly direction, and reaching around 42mph.

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure