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Porthmadog

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Porthmadog last 24 hours
  • 17°C 12°C
    Cloudy
  • 17°C 11°C
    Cloudy
  • 14°C 11°C
    Light shower day
  • 14°C 11°C
    Light rain
  • 15°C 11°C
    Cloudy
Sunday   (30 August 2015)
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Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
Temperature (°C)
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<5% <5% <5% <5% <5% 10% 10% 10% 10% 10% 10% 10% 10% 10%
Wind direction, speed & gust (mph) arrow down
WSW 1 1 SSE 3 4 SSW 3 5 WSW 4 6 WSW 5 7 WNW 6 9 NW 7 11 NW 7 11 N 8 13 N 8 12 NNE 6 11 NE 6 10 NE 5 9 NE 6 9
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G VG VG VG VG VG VG VG VG VG VG G G G
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90% 84% 80% 77% 75% 76% 75% 74% 74% 76% 77% 78% 80% 80%
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2 3 4 5 4 3 2 1 1 1 1 0 0 0
Monday   (31 August 2015)
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Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Clear night Clear night
Temperature (°C)
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10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 20% 10% 20% 10% 20% 10% 10% 10% 10% 10% 10%
Wind direction, speed & gust (mph) arrow down
NE 5 8 NNE 4 7 N 3 5 NE 3 6 NNE 4 7 NNE 4 7 N 5 9 NNE 5 8 NNE 4 8 NNE 5 10 NNE 7 12 NNE 7 12 N 7 13 NNE 8 14 NNW 8 15 NNW 10 20 NNW 10 20 NNW 10 19 NNW 9 18 NNW 8 16 NNW 8 12 NNW 7 11 NW 7 10 NW 7 10
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G G G G G G G G G G G G G G G G G G G G G G G G
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79% 82% 85% 86% 86% 88% 88% 87% 85% 82% 80% 79% 78% 76% 76% 74% 72% 75% 77% 79% 85% 87% 89% 91%
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0 0 0 0 0 0 0 1 1 2 3 3 4 4 3 3 2 1 1 1 1 0 0 0
Tuesday   (01 September 2015)
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Clear night Partly cloudy night Partly cloudy night Cloudy Light shower day Light shower day Light shower day Sunny intervals Light shower night
Temperature (°C)
12 12 12 12 13 14 14 13 13
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11 10 10 10 11 12 12 11 10
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10% 10% 10% 10% 40% 40% 40% 20% 30%
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NW 6 9 NW 8 9 NW 9 12 NW 10 14 NW 14 25 NW 14 27 NW 14 25 NW 12 21 NW 12 19
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G G G G G G G G G
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93% 94% 93% 91% 81% 80% 77% 78% 88%
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0 0 0 1 2 3 2 1 0
Wednesday   (02 September 2015)
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Cloudy Light shower night Light rain Cloudy Cloudy Light shower day Light shower day Cloudy
Temperature (°C)
12 12 12 13 14 13 12 12
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10 10 10 10 11 11 10 9
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10% 30% 40% 10% 10% 30% 30% 10%
Wind direction, speed & gust (mph) arrow down
NW 12 17 NW 12 16 NNW 11 17 NNW 13 22 NW 14 27 NW 14 26 NNW 13 22 NNW 11 17
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G G G G G G G G
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91% 91% 92% 85% 75% 75% 78% 85%
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0 0 1 2 4 2 1 0
Thursday   (03 September 2015)
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Overcast Overcast Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
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11 11 11 13 14 14 13 13
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9 9 9 11 12 12 11 10
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10% 20% 10% 10% 10% 10% 10% 10%
Wind direction, speed & gust (mph) arrow down
NNW 10 15 NNW 9 13 N 9 14 N 11 20 N 12 23 N 13 24 N 13 22 N 11 18
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G G G G G G G G
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89% 91% 91% 81% 75% 77% 79% 86%
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0 0 1 2 4 2 1 0
More Detail chevron down

Issued at: 1000 on Sun 30 Aug 2015

Forecast summary

  • Regional
  • UK 5 days
  • UK 6-30 days

Regional forecast for Wales

Rain at times, especially the southeast. Brighter in the northwest.

Today:

There is likely to be a good deal of cloud around today, thickest in the southeast, where outbreaks of rain are possible at times. Drier and brighter in the northwest, but the odd spot of rain possible just about anywhere. Maximum Temperature 18°C.

Tonight:

Rain is likely to become more widespread and persistent overnight, though still some places will remain dry. The heaviest bursts are likely in the south and east. Minimum Temperature 12°C.

Monday:

Probably a fairly damp morning, but it should tend to become drier and brighter from the west through the afternoon. However, a sharp shower is possible in any afternoon brightness. Maximum Temperature 19°C.

Outlook for Tuesday to Thursday:

Sunshine and showers throughout the period, though the showers probably becoming fewer and lighter later in the week. A cool northerly wind develops, though feeling pleasant in any sunshine.

Updated at: 0357 on Sun 30 Aug 2015

UK forecast for the next 5 days

Pulses of heavy rain in the south. Showers further north.

Today:

Sunshine and showers in the north; the latter mainly across Scotland and Northern Ireland. Cloudier further south with showery outbreaks of rain, but perhaps drier and warm across southeast England for a time, before pulses of heavy rain arrive later.

Tonight:

Much of England and Wales, bar the far north, will see further rain overnight, some will be heavy and perhaps thundery in the southeast. Clearer with isolated showers further north.

Monday:

A rather unsettled and wet day across England and Wales with outbreaks of rain, although western peripheries should gradually brighten up. Brighter across Northern Ireland and Scotland with scattered showers.

Outlook for Tuesday to Thursday:

Northerly winds will bring sunshine and showers through the period, some heavy and locally thundery on Tuesday. Turning chilly by night with a touch of frost possible in rural locations.

Updated at: 0624 on Sun 30 Aug 2015

Outlook for the UK over the next 6-30 days

UK Outlook for Thursday 3 Sep 2015 to Saturday 12 Sep 2015:

The gradual change to more settled conditions across the UK continues with plenty of dry and bright weather across much of the UK through the weekend, however there will still be the odd shower around at first, especially towards the southeast. The mostly fine and dry weather is expected to continue through until the middle of September, however there is a risk that more unsettled conditions, with further spells of rain, could push into northwestern parts early next week. Temperatures on the whole will be slightly below average, although it will feel pleasantly warm in the sunny spells and light winds. Overnight temperatures throughout the period are likely to be on the chilly side, with a risk of localised rural frost and fog patches, mainly in the north.

UK Outlook for Sunday 13 Sep 2015 to Sunday 27 Sep 2015:

The generally settled and fine conditions are expected to continue across Southeastern parts of the UK through much of September, with plenty of dry and sunny weather, and only a low risk of short lived spells of cloud and rain. In contrast it is likely to remain on the unsettled side in the Northwest for the majority of the month, with occasional bouts of rain and strong winds likely. Temperatures will generally be around average in most parts, but feeling warm under any prolonged sunny periods in the Southeast by day, with some chilly nights in the North.

Updated at: 0624 on Sun 30 Aug 2015

Weather map

Sun 1100

Weather forecast map for Porthmadog

Porthmadog Porthmadog – Sunny intervals 52.9276 -4.1321
Aberystwyth Aberystwyth – Cloudy 52.415 -4.0817
Newtown (Powys) Newtown (Powys) – Cloudy 52.5118 -3.3118
Wrexham Wrexham – Sunny intervals 53.0428 -2.9911
Stoke-on-Trent Stoke-on-Trent – Cloudy 53.0024 -2.178
Preston Preston – Cloudy 53.763 -2.7017
Hereford Hereford – Light rain 52.056 -2.7146
Douglas (Isle of Man) Douglas (Isle of Man) – Sunny intervals 54.1518 -4.484
Manchester Manchester – Cloudy 53.479 -2.2465
Swansea Swansea – Cloudy 51.621 -3.9424
Pembroke Pembroke – Cloudy 51.6731 -4.9084
Birmingham Birmingham – Cloudy 52.4859 -1.889
Cardiff Cardiff – Light rain 51.4812 -3.1778
Kendal Kendal – Cloudy 54.3279 -2.7449
Sheffield Sheffield – Cloudy 53.3809 -1.4686
Leeds Leeds – Sunny day 53.8011 -1.547
Nottingham Nottingham – Cloudy 52.9545 -1.1565
Newry Newry – Cloudy 54.1707 -6.3348
Barnstaple Barnstaple – Light rain 51.0777 -4.0571
Banbury Banbury – Heavy rain 52.0625 -1.3383

Location Details

Porthmadog

Location: 52.9276, -4.1321

Altitude: 9m above mean sea level

Video forecast