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Porthmadog

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Porthmadog last 24 hours
  • 15°C 10°C
    Light shower day
  • 14°C 10°C
    Light shower day
  • 15°C 11°C
    Cloudy
  • 15°C 9°C
    Cloudy
  • 15°C 11°C
    Cloudy
Wednesday   (02 September 2015)
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Cloudy Cloudy Light shower day Light shower day Light shower day Light shower day Light shower day Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy
Temperature (°C)
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Precipitation probability arrow down
20% 20% 40% 30% 30% 40% 40% 10% 10% <5% 10% <5% <5% 10% 10%
Wind direction, speed & gust (mph) arrow down
NNW 9 16 NW 10 17 NW 10 18 NW 11 19 NNW 11 20 NNW 12 20 NNW 11 20 NNW 13 22 NNW 12 21 NNW 12 20 NNW 11 18 NNW 9 17 NNW 8 16 NNW 8 15 NNW 9 16
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
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82% 81% 79% 79% 77% 78% 79% 74% 71% 69% 70% 73% 75% 75% 78%
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2 2 2 2 2 2 2 2 1 1 1 0 0 0 0
Thursday   (03 September 2015)
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Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Partly cloudy night Sunny intervals Sunny intervals Sunny day Sunny day Sunny intervals Light rain Light rain Heavy rain Light shower day Light shower day Light shower day Sunny intervals Sunny intervals Partly cloudy night Overcast Overcast Overcast
Temperature (°C)
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9 9 9 9 9 8 8 8 9 10 10 11 11 11 12 12 11 11 11 11 10 10 10 10
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10% 10% 10% 10% 10% 10% <5% <5% <5% <5% <5% 10% 40% 40% 60% 30% 30% 30% <5% <5% <5% 20% 20% 20%
Wind direction, speed & gust (mph) arrow down
NW 10 18 NNW 11 19 NNW 11 20 NNW 11 20 NNW 12 20 NNW 12 20 NNW 11 20 NNW 11 19 NNW 11 20 NNW 13 22 NNW 13 23 NNW 12 22 NNW 12 20 NNW 11 19 NNW 12 22 NNW 13 23 NNW 14 25 NNW 14 25 NNW 13 23 NNW 13 22 NNW 12 20 NNW 11 18 NNW 11 17 NNW 11 18
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG VG VG VG VG VG VG VG VG VG VG G G G G G G VG VG G G G G
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81% 83% 82% 84% 84% 83% 84% 84% 80% 74% 69% 71% 76% 80% 80% 80% 79% 78% 78% 79% 82% 85% 87% 88%
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0 0 0 0 0 0 0 1 1 2 2 3 3 3 3 2 2 2 1 1 0 0 0 0
Friday   (04 September 2015)
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Cloudy Cloudy Partly cloudy night Sunny intervals Cloudy Sunny intervals Cloudy Sunny intervals Light rain
Temperature (°C)
12 12 11 11 14 14 14 14 13
Feels like temperature (°C) arrow down
10 10 9 9 11 12 12 11 11
Precipitation probability arrow down
10% 10% <5% <5% 10% <5% <5% 10% 50%
Wind direction, speed & gust (mph) arrow down
NNW 11 18 NNW 11 17 NNW 10 15 N 9 14 N 13 23 N 13 24 NNW 14 25 N 13 21 NNW 11 17
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G G G G VG G G G M
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88% 90% 91% 89% 75% 70% 69% 78% 93%
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0 0 0 1 3 4 2 1 0
Saturday   (05 September 2015)
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Light rain Light shower night Overcast Light shower day Sunny intervals Cloudy Cloudy Overcast
Temperature (°C)
13 12 12 13 15 14 13 11
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10 10 10 11 13 12 10 9
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50% 40% 20% 30% 10% 10% 10% 10%
Wind direction, speed & gust (mph) arrow down
NNW 12 18 NNW 12 18 NNW 12 18 N 12 20 NNE 13 25 N 13 24 N 12 20 N 8 10
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
M M M G VG G G G
Humidity arrow down
95% 95% 95% 86% 68% 64% 68% 79%
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0 0 1 2 4 2 1 0
Sunday   (06 September 2015)
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Cloudy Cloudy Overcast Light rain Cloudy Cloudy Cloudy Cloudy
Temperature (°C)
10 10 10 13 15 14 14 12
Feels like temperature (°C) arrow down
9 9 9 11 14 13 12 11
Precipitation probability arrow down
<5% 10% 10% 40% 10% 10% 10% 10%
Wind direction, speed & gust (mph) arrow down
N 6 8 N 6 8 N 6 9 NNW 8 13 NNW 9 17 NNW 10 18 NNW 9 15 N 6 8
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G G M G G G G G
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86% 91% 93% 85% 81% 83% 84% 91%
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0 0 1 2 3 2 1 0
More Detail chevron down

Issued at: 0800 on Wed 02 Sep 2015

Forecast summary

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

Regional forecast for Wales

Sunshine and scattered showers, turning chilly by night

Today:

A chilly but bright start to the day, but some showers towards western and northern coasts. Further showers will develop, turning heavy and thundery in places, especially this afternoon. Cooler than yesterday, but feeling pleasant in any sunshine. Maximum Temperature 16°C.

Tonight:

Showers will ease, becoming fewer and further between, although likely to still affect costal sites. Clear spells are likely to develop allowing temperatures to fall, especially in rural sites. Minimum Temperature 6°C.

Thursday:

Cloudier than today but with some sunny intervals and further scattered showers, although these will be lighter. Feeling pleasant in any sunshine and lighter winds, especially away from coasts. Maximum Temperature 17°C.

Outlook for Friday to Sunday:

High pressure will build from the west giving a mainly dry weekend with variable amounts of cloud, and some sunny spells. Feeling warm in any sunshine, but chilly by night.

Updated at: 0242 on Wed 02 Sep 2015

UK forecast for the next 5 days

Sunshine and scattered showers. Windy in the northeast.

Today:

Another day of sunshine and scattered showers, these turning heavy and thundery at times in the south. A cloudier picture further north, turning windy in the northeast of Scotland with gales on some exposed coasts. Feeling cooler than yesterday.

Tonight:

Showers easing, especially in the south of the country. Clear spells will develop, allowing temperatures to fall. Winds strengthening along northeastern coasts, with gales in the far northeast. Rather cold.

Thursday:

Drier for many, although turning rather cloudy, best of the brightness in the south. Outbreaks of showery rain, with accompanying strong winds across eastern England, with gales in exposure.

Outlook for Friday to Sunday:

Outbreaks of rain in the southeast Friday, drier and brighter elsewhere. Turning drier through the weekend with sunny periods and lighter winds. Feeling pleasant in any sunshine, chilly by night.

Updated at: 0224 on Wed 02 Sep 2015

Outlook for the UK over the next 6-30 days

UK Outlook for Sunday 6 Sep 2015 to Tuesday 15 Sep 2015:

Sunday is likely to be a rather cloudy day with some patchy rain for a time towards the north as well as coasts and hills exposed to the northerly wind. Brighter conditions with some sunshine are likely in the south. Sunnier conditions develop through Monday, with just a few showers around windward coasts. Through the rest of the period settled conditions should become established across all parts, with some cool misty starts followed by dry and fine days. Temperatures will be close to normal and it will feel pleasantly warm in the sunshine. Overnight temperatures are likely to be on the chilly side at first, with a risk of some localised rural grass frosts, most especially in the north. Temperatures may trend upwards towards the latter half of the period.

UK Outlook for Wednesday 16 Sep 2015 to Wednesday 30 Sep 2015:

The second half of September is likely to start with generally fine and settled conditions, with plenty of dry weather with some pleasant sunshine, and with only brief spells of cloudier, wetter weather. Towards the end of the month a northwest to southeast split develops in the weather, with the southeast holding on to the best of the drier weather, although with occasional unsettled spells developing here, while the northwest sees more regular outbreaks of of rain and strong winds. Temperatures will be generally close to average, but with cooler conditions developing again towards the north and west later.

Updated at: 0224 on Wed 02 Sep 2015

Weather map

Wed 1000

Weather forecast map for Porthmadog

Porthmadog Porthmadog – Cloudy 52.9276 -4.1321
Aberystwyth Aberystwyth – Cloudy 52.415 -4.0817
Newtown (Powys) Newtown (Powys) – Cloudy 52.5118 -3.3118
Wrexham Wrexham – Light rain 53.0428 -2.9911
Stoke-on-Trent Stoke-on-Trent – Cloudy 53.0024 -2.178
Preston Preston – Sunny intervals 53.763 -2.7017
Hereford Hereford – Sunny intervals 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 – Sunny intervals 51.6731 -4.9084
Birmingham Birmingham – Cloudy 52.4859 -1.889
Cardiff Cardiff – Sunny day 51.4812 -3.1778
Kendal Kendal – Cloudy 54.3279 -2.7449
Sheffield Sheffield – Sunny intervals 53.3809 -1.4686
Leeds Leeds – Sunny intervals 53.8011 -1.547
Nottingham Nottingham – Cloudy 52.9545 -1.1565
Newry Newry – Cloudy 54.1707 -6.3348
Barnstaple Barnstaple – Sunny intervals 51.0777 -4.0571
Banbury Banbury – Sunny intervals 52.0625 -1.3383

Location Details

Porthmadog

Location: 52.9276, -4.1321

Altitude: 9m above mean sea level

Video forecast