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Carnedd Llywelyn

Carnedd Llywelyn last 24 hours
  • 5°C 4°C
    Fog
  • 6°C 1°C
    Drizzle
  • 4°C 0°C
    Drizzle
  • 1°C -2°C
    Light snow
  • 1°C -4°C
    Heavy snow
  • 1°C -2°C
    Light snow
  • 2°C -1°C
    Light rain
Sunday   (19 February 2017)
1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Fog Drizzle Fog Fog Drizzle Drizzle Fog Light rain Heavy rain Heavy rain
Temperature (°C)
3 4 4 4 5 5 5 6 6 6
Feels like temperature (°C) arrow down
-3 -2 -1 -1 -1 -1 0 0 0 1
Precipitation probability arrow down
20% 40% 20% 20% 40% 40% 30% 60% 90% 90%
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W 24 28 W 23 28 W 23 27 W 24 28 W 25 29 W 26 31 WSW 26 32 WSW 28 33 WSW 28 35 W 28 35
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VP VP VP VP VP VP VP VP VP VP
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100% 100% 100% 100% 100% 100% 100% 100% 100% 100%
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1 1 1 1 0 0 0 0 0 0
Monday   (20 February 2017)
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Light rain Light rain Light rain Light rain Drizzle Drizzle Drizzle Fog Drizzle Fog Drizzle Fog Fog Light rain Light rain Fog Fog Light rain Light rain Light rain Drizzle Fog Fog Fog
Temperature (°C)
6 6 6 6 6 5 5 6 6 6 5 5 5 5 5 5 5 5 5 5 4 4 3 3
Feels like temperature (°C) arrow down
1 0 0 0 0 -1 -1 -1 -1 -1 -1 -2 -2 -2 -2 -2 -2 -2 -2 -2 -2 -3 -3 -4
Precipitation probability arrow down
60% 60% 60% 60% 40% 40% 40% 20% 40% 20% 30% 20% 20% 60% 60% 30% 30% 60% 60% 60% 40% 30% 20% 20%
Wind direction, speed & gust (mph) arrow down
W 28 34 W 31 36 W 30 36 W 31 37 W 29 35 W 29 35 W 31 37 W 35 41 WSW 38 46 WSW 38 46 WSW 38 46 W 37 46 W 41 50 W 41 51 W 43 52 W 42 52 W 40 49 W 38 46 WNW 36 44 WNW 33 41 WNW 31 39 WNW 30 37 WNW 29 36 W 28 35
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VP VP VP VP VP VP VP VP VP VP VP VP VP VP VP VP VP VP VP VP VP VP VP VP
Humidity arrow down
100% 100% 100% 100% 100% 100% 100% 100% 99% 100% 99% 99% 99% 99% 99% 99% 99% 99% 99% 99% 99% 99% 99% 99%
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0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0
Tuesday   (21 February 2017)
0000 0300 0600 0900 1200 1500 1800 2100
Fog Light rain Light rain Drizzle Fog Heavy rain Light rain Light rain
Temperature (°C)
2 3 4 4 4 4 4 3
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-5 -3 -2 -2 -2 -2 -3 -4
Precipitation probability arrow down
60% 60% 60% 40% 30% 80% 60% 60%
Wind direction, speed & gust (mph) arrow down
WNW 29 35 W 24 30 WSW 25 32 WSW 29 36 WSW 33 43 WSW 39 51 WSW 43 58 WSW 39 57
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VP M VP VP VP VP VP VP
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99% 98% 99% 99% 99% 99% 98% 98%
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0 0 0 1 1 1 0 0
Wednesday   (22 February 2017)
0000 0300 0600 0900 1200 1500 1800 2100
Light rain Light rain Sleet Light snow Cloudy Cloudy Overcast Light snow
Temperature (°C)
3 2 1 0 0 0 0 0
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-5 -6 -7 -8 -7 -7 -7 -7
Precipitation probability arrow down
60% 60% 70% 60% 20% 20% 20% 50%
Wind direction, speed & gust (mph) arrow down
WSW 40 59 WSW 38 56 W 34 50 W 29 45 W 27 43 W 27 43 W 24 34 WSW 23 34
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VP P P M M M M M
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98% 97% 95% 94% 89% 86% 89% 93%
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0 0 0 1 1 1 0 0
Thursday   (23 February 2017)
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Light snow Heavy snow Heavy snow Heavy snow shower day Light snow Light snow Light snow shower night Heavy snow shower night
Temperature (°C)
0 0 0 -1 -1 -1 -2 -3
Feels like temperature (°C) arrow down
-7 -7 -8 -9 -9 -9 -11 -12
Precipitation probability arrow down
70% 90% 90% 60% 60% 60% 40% 60%
Wind direction, speed & gust (mph) arrow down
SW 25 37 SW 26 39 WSW 32 49 W 33 49 W 32 50 W 32 51 WNW 32 48 WNW 32 47
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
P P M M M M G G
Humidity arrow down
96% 97% 97% 96% 92% 89% 88% 88%
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0 0 0 1 1 1 0 0
Friday   (24 February 2017)
0000 0300 0600 0900 1200 1500 1800 2100
Light snow shower night Heavy snow shower night Heavy snow shower night Light snow shower day Light snow shower day Cloudy Cloudy Cloudy
Temperature (°C)
-3 -3 -3 -2 0 0 -1 -1
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-12 -11 -11 -9 -7 -6 -8 -8
Precipitation probability arrow down
40% 50% 50% 40% 40% 20% 20% 20%
Wind direction, speed & gust (mph) arrow down
WNW 31 44 W 27 39 W 25 34 WSW 23 31 W 22 34 WSW 22 34 WSW 25 35 SW 29 39
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G VG G G G G G G
Humidity arrow down
90% 91% 93% 92% 83% 82% 91% 94%
UV index arrow down
0 0 0 1 1 1 0 0
Saturday   (25 February 2017)
0000 0300 0600 0900 1200 1500 1800 2100
Light snow Light snow Light snow Sleet Light rain Cloudy Light rain Overcast
Temperature (°C)
-1 0 0 1 2 2 1 1
Feels like temperature (°C) arrow down
-8 -8 -7 -7 -5 -5 -6 -6
Precipitation probability arrow down
50% 50% 50% 50% 50% 20% 50% 20%
Wind direction, speed & gust (mph) arrow down
SW 31 41 SW 30 42 SW 31 42 SW 30 43 SW 31 45 SW 29 44 SW 29 42 SW 29 41
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G M M M M G G G
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95% 95% 96% 95% 94% 93% 94% 95%
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0 0 0 1 1 1 0 0
More Detail chevron down

Issued at: 1300 on Sun 19 Feb 2017

Forecast summary

Regional forecast for Wales

Cloudy and damp

Today:

It will be a cloudy but dry start; turning damp with light rain and drizzle spreading from the West. Low cloud will bring murky conditions with extensive hill fog. Despite this temperatures will be above average, into double figures. Maximum Temperature 13 °C.

Tonight:

Cloudy and damp conditions will continue with further outbreaks of rain and drizzle. Very murky with widespread mist and fog, but remaining mild. Minimum Temperature 9 °C.

Monday:

The murky theme will continue with further outbreaks of rain and drizzle, drier further east. Strong winds will develop, feeling gusty over higher ground and exposed coasts, but remaining mild. Maximum Temperature 15 °C.

Outlook for Tuesday to Thursday:

A generally unsettled theme will continue through the mid-week. Further outbreaks of rain, these showery at times. Strong winds with gales possible over higher ground and exposed coasts on Thursday.

Updated at: 0137 on Sun 19 Feb 2017

UK forecast for the next 5 days

Mild with cloud spreading from the west

Today:

A generally dry start, cloudier in the west with some good spells of sunshine for central and eastern areas through the day. Cloudier conditions will spread from the west bringing rain to western fringes later. Feeling mild.

Tonight:

Cloudy with rain in the west. Windy with some heavier rain for northern Scotland. Eastern areas will stay mainly dry with a little rain for a time, but feeling mild.

Monday:

Rain and drizzle in the north and west with strong winds. Brighter, sunny spells for eastern areas, staying dry. Bright spells and showers in the north later. Feeling very mild.

Outlook for Tuesday to Thursday:

Changeable with cloud, outbreaks of rain and possibly hill snow interspersed with brighter, showery conditions. Often windy, with severe gales possible in the north on Wednesday, and possibly Thursday too.

Updated at: 0124 on Sun 19 Feb 2017

Outlook for the UK over the next 6-30 days

UK Outlook for Friday 24 Feb 2017 to Sunday 5 Mar 2017:

Plenty of dry and sunny weather is expected on Friday, with one or two showers, but it will feel cold. Wind and rain is then likely to spread in from the west later and last through Saturday but it will be accompanied by milder air. Changeable and mild weather is likely to continue through the rest of that weekend and into the following week, with wet and windy conditions affecting the north and west of the UK the most. The south and east should see the best of any drier and brighter weather. However, there will generally be brighter, cooler, more showery days in-between weather systems. This changeable pattern is currently expected to continue as we head into March.

Updated at: 1217 on Sun 19 Feb 2017

UK Outlook for Monday 6 Mar 2017 to Monday 20 Mar 2017:

For March there is a fair amount of uncertainty, but the weather is most likely to be unsettled at first. There will be spells of wet and windy weather, interspersed with brighter and showery conditions with some snow possible across the north of the UK. There will, however, also be some drier and brighter spells, particularly in the south and east where we may see some local frost and fog at times overnight. Temperatures are expected to be a little above normal for the time of year but there remains a small chance of seeing a more prolonged cold spell, which is most probable later in the period.

Updated at: 1217 on Sun 19 Feb 2017