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Guernsey Weather Forecast

Temperature, wind, rain and more for Guernsey

Devon, United Kingdom

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Thu 18
Sep		00:00

SW
SW

 20 / 28 mph 64 / 64°F 92% 1020 mb
Low level cloud: 95%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

 17 / 25 mph 63 / 63°F 94% 1020 mb
Low level cloud: 82%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SW
SW

 16 / 28 mph 62 / 62°F 93% 1020 mb
Low level cloud: 73%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
72%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

 15 / 26 mph 65 / 64°F 88% 1021 mb
Low level cloud: 72%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

 12 / 17 mph 67 / 67°F 85% 1022 mb
Low level cloud: 1%
Mid level cloud: 6%
High level cloud: 3%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

 7 / 9 mph 69 / 68°F 86% 1021 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 4%
Most Significant Cloud Type: medium
4%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 3 / 4 mph 69 / 68°F 88% 1021 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

 4 / 5 mph 67 / 67°F 88% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: high
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 19
Sep		00:00

WSW
WSW

 6 / 7 mph 69 / 69°F 88% 1022 mb
Low level cloud: 2%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSE
SSE

 5 / 6 mph 66 / 66°F 88% 1020 mb
Low level cloud: 5%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: low
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SE
SE

 10 / 17 mph 63 / 63°F 87% 1019 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 7%
Most Significant Cloud Type: low
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

S
S

 9 / 10 mph 71 / 69°F 83% 1019 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 14%
Most Significant Cloud Type: medium
3%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSE
SSE

 9 / 11 mph 77 / 79°F 73% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 3%
Most Significant Cloud Type: high
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNE
NNE

 2 / 2 mph 81 / 83°F 71% 1017 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

 9 / 10 mph 77 / 79°F 68% 1016 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 41%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

N
N

 7 / 9 mph 71 / 71°F 77% 1016 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 1%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In

Other Locations Near to Guernsey

The 7 day weather forecast summary for Guernsey:

Over the next 7 days the Guernsey forecast suggests the average daytime maximum temperature will be around 21°C, with a high for the week of 28°C expected on the afternoon of Saturday 20th. The mean minimum temperature will be 15°C, dipping to its lowest on the morning of Wednesday 24th at 13°C. The week ahead will have mixed overhead conditions with some days dry and some seeing a significant amount of rain. It looks like Tuesday 24th will have the most precipitation with an accumulation of around 9.0mm. On the whole winds are likely to be fresh. The strongest wind will be felt on Tuesday morning, coming from a north easterly direction, and reaching around 29mph. However, the maximum wind gusts are expected on Saturday evening.

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