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Porthmadog

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Porthmadog last 24 hours
  • 15 °C

    14 °C

    Heavy rain
  • 17 °C

    13 °C

    Cloudy
  • 17 °C

    12 °C

    Light rain
  • 15 °C

    11 °C

    Light shower day
  • 14 °C

    11 °C

    Sunny intervals
  • 14 °C

    11 °C

    Light shower day
  • 14 °C

    12 °C

    Sunny intervals
Monday   (26 September 2016)
0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Heavy rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Overcast Heavy rain Heavy rain Light rain Light rain Light rain Light rain Light rain
Temperature (°C)
12 ° 12 ° 13 ° 13 ° 14 ° 14 ° 14 ° 15 ° 15 ° 14 ° 14 ° 14 ° 14 ° 15 ° 15 °
Feels like temperature (°C) arrow down
10 ° 10 ° 10 ° 11 ° 11 ° 12 ° 13 ° 13 ° 13 ° 13 ° 13 ° 13 ° 13 ° 13 ° 13 °
Precipitation probability arrow down
≥95% 70% ≥95% 90% 90% 90% 80% 20% 80% 80% 60% 60% 50% 50% 50%
Wind direction, speed & gust (mph) arrow down
SSE 14 18 S 15 20 SSE 13 19 S 14 21 S 15 23 SSE 12 20 SSE 9 16 SSW 13 21 SSW 11 18 SSW 9 15 S 11 19 S 11 19 SSE 11 19 SSE 12 21 SSE 13 23
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
M G G VG G G VG VG VG M M G G G VG
Humidity arrow down
93% 93% 93% 91% 93% 92% 92% 92% 91% 95% 95% 94% 93% 92% 90%
UV index arrow down
1 1 1 1 1 1 1 1 1 1 0 0 0 0 0
Tuesday   (27 September 2016)
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 Overcast Light rain Light rain Light rain Light rain Drizzle Light rain Light rain Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny day Clear night Clear night Partly cloudy night Clear night Partly cloudy night
Temperature (°C)
15 ° 15 ° 15 ° 15 ° 15 ° 16 ° 16 ° 16 ° 16 ° 16 ° 16 ° 16 ° 16 ° 17 ° 17 ° 17 ° 17 ° 16 ° 15 ° 15 ° 14 ° 14 ° 14 ° 14 °
Feels like temperature (°C) arrow down
12 ° 12 ° 12 ° 12 ° 12 ° 13 ° 13 ° 13 ° 13 ° 13 ° 13 ° 14 ° 14 ° 15 ° 15 ° 15 ° 15 ° 14 ° 14 ° 13 ° 13 ° 13 ° 12 ° 12 °
Precipitation probability arrow down
50% 50% 50% 50% 20% 60% 60% 60% 60% 40% 60% 60% 10% 10% 20% <5% <5% <5% <5% <5% <5% <5% <5% <5%
Wind direction, speed & gust (mph) arrow down
SSE 13 23 SSE 14 25 SSE 16 27 S 18 31 S 19 32 S 18 32 S 18 31 SSW 18 31 SSW 17 30 SW 16 29 SW 16 28 WSW 14 25 WSW 13 23 WSW 13 23 W 12 23 W 12 22 W 11 20 W 10 19 W 8 14 WSW 7 11 WSW 8 12 WSW 9 14 WSW 10 15 WSW 11 16
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G G G G G G M M P P G G VG VG VG E E VG VG VG VG VG VG VG
Humidity arrow down
91% 91% 92% 91% 93% 95% 97% 98% 98% 98% 97% 96% 92% 88% 81% 78% 72% 77% 78% 84% 87% 88% 89% 89%
UV index arrow down
0 0 0 0 0 0 0 0 1 1 1 2 2 3 2 2 1 1 1 0 0 0 0 0
Wednesday   (28 September 2016)
0000 0100 0400 0700 1000 1300 1600 1900 2200
Cloudy Cloudy Cloudy Overcast Overcast Light rain Overcast Overcast Heavy rain
Temperature (°C)
14 ° 14 ° 15 ° 15 ° 15 ° 16 ° 16 ° 16 ° 16 °
Feels like temperature (°C) arrow down
12 ° 12 ° 12 ° 12 ° 12 ° 12 ° 12 ° 12 ° 12 °
Precipitation probability arrow down
<5% <5% <5% 40% 50% 60% 20% 30% 90%
Wind direction, speed & gust (mph) arrow down
SW 11 16 SW 11 18 SW 14 24 SW 15 27 SSW 17 31 SSW 20 37 SSW 23 42 SW 23 42 SW 23 42
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG VG VG G M G G M
Humidity arrow down
89% 88% 89% 89% 91% 95% 96% 95% 97%
UV index arrow down
0 0 0 0 1 2 1 0 0
Thursday   (29 September 2016)
0100 0400 0700 1000 1300 1600 1900 2200
Cloudy Clear night Partly cloudy night Sunny intervals Cloudy Heavy shower day Partly cloudy night Clear night
Temperature (°C)
16 ° 13 ° 12 ° 14 ° 15 ° 15 ° 14 ° 13 °
Feels like temperature (°C) arrow down
13 ° 11 ° 10 ° 12 ° 12 ° 11 ° 11 ° 10 °
Precipitation probability arrow down
20% 10% 10% 10% 10% 60% 10% 10%
Wind direction, speed & gust (mph) arrow down
WSW 19 32 WSW 14 22 WSW 13 20 SW 15 27 SW 18 34 WSW 19 34 WSW 15 25 WSW 15 24
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
Humidity arrow down
95% 88% 89% 80% 80% 81% 82% 80%
UV index arrow down
0 0 0 1 2 1 0 0
Friday   (30 September 2016)
0100 0400 0700 1000 1300 1600 1900 2200
Clear night Partly cloudy night Partly cloudy night Sunny day Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
Temperature (°C)
12 ° 12 ° 11 ° 13 ° 14 ° 14 ° 13 ° 12 °
Feels like temperature (°C) arrow down
9 ° 9 ° 8 ° 10 ° 11 ° 11 ° 10 ° 10 °
Precipitation probability arrow down
<5% 10% 10% 10% 10% 10% 10% <5%
Wind direction, speed & gust (mph) arrow down
WSW 15 23 WSW 14 22 WSW 14 22 WSW 15 27 WSW 16 31 WSW 15 28 WSW 13 21 W 10 16
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
Humidity arrow down
85% 85% 86% 75% 71% 70% 73% 82%
UV index arrow down
0 0 0 1 3 1 0 0
Saturday   (01 October 2016)
0100 0400 0700 1000 1300 1600 1900 2200
Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Light shower day Light shower day Light shower night Partly cloudy night
Temperature (°C)
11 ° 11 ° 11 ° 13 ° 13 ° 14 ° 13 ° 12 °
Feels like temperature (°C) arrow down
9 ° 9 ° 9 ° 10 ° 10 ° 10 ° 10 ° 10 °
Precipitation probability arrow down
<5% 10% 10% 10% 40% 40% 40% 10%
Wind direction, speed & gust (mph) arrow down
WSW 10 16 WSW 13 21 WSW 13 23 WSW 15 26 SW 17 30 SW 17 30 SW 15 27 WSW 14 24
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG VG VG VG VG G G
Humidity arrow down
84% 81% 83% 80% 71% 71% 79% 81%
UV index arrow down
0 0 0 1 3 1 0 0
Sunday   (02 October 2016)
0100 0400 0700 1000 1300 1600 1900 2200
Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Light shower day Sunny intervals Partly cloudy night Partly cloudy night
Temperature (°C)
12 ° 11 ° 11 ° 13 ° 14 ° 14 ° 13 ° 13 °
Feels like temperature (°C) arrow down
9 ° 9 ° 9 ° 10 ° 11 ° 11 ° 11 ° 11 °
Precipitation probability arrow down
10% 10% 10% 10% 40% 10% 10% 10%
Wind direction, speed & gust (mph) arrow down
WSW 13 21 SW 12 21 SW 12 20 SW 13 23 SW 15 28 SW 15 27 SW 14 24 SW 14 25
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG G G VG VG G VG
Humidity arrow down
82% 82% 85% 79% 74% 74% 81% 84%
UV index arrow down
0 0 0 1 2 1 0 0
More Detail chevron down

Issued at: 0900 on Mon 26 Sep 2016

Forecast summary

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

Regional forecast for Wales

Staying unsettled with heavy rain and strong winds.

Today:

Outbreaks of rain, which will be persistent and heavy at times in the south and west, will affect all parts today. There will perhaps be localised surface water flooding in the south and the winds will strengthen later. Maximum Temperature 15 °C.

Tonight:

The rain will become lighter and patchier through this evening and overnight. The winds will strengthen, especially in the west, but it will be a mild night. Minimum Temperature 12 °C.

Tuesday:

Tuesday will start grey and damp with patchy rain and drizzle through the morning. It'll become drier and brighter during the afternoon but the winds will be strong at times. Maximum Temperature 18 °C.

Outlook for Wednesday to Friday:

Wednesday will be windy for most with coastal gales and rain at times. Rain will clear to the southeast on Thursday with a few showers on Friday. Remaining breezy.

Updated at: 0450 on Mon 26 Sep 2016

UK forecast for the next 5 days

Staying unsettled with outbreaks of rain and strong winds.

Today:

Heavy rain will move in from the southwest through today, affecting Wales and the southwest in particular. Northern Scotland and Northern Ireland will stay driest and brightest but some showers are likely to develop here.

Tonight:

The rain will continue across most south and central areas tonight, perhaps with some heavier bursts. Towards dawn occasional rain will affect many but it'll be mild for most.

Tuesday:

Tuesday will start grey and damp with patchy rain across western parts. Locally heavy rain will clear to the east later but it'll be windy in the north.

Outlook for Wednesday to Friday:

Windy for most on Wednesday with rain and coastal gales in the north. Rain will clear south-eastwards through Thursday and Friday with sunshine and blustery showers following.

Updated at: 0450 on Mon 26 Sep 2016

Outlook for the UK over the next 6-30 days

UK Outlook for Friday 30 Sep 2016 to Sunday 9 Oct 2016:

Cool with sunshine and showers on Friday and Saturday with strong wind perhaps giving gales in the north or northwest with the showers most frequent here. There is low confidence by early next week but an unsettled pattern is most likely to continue, with spells of rain mixed with brighter, drier but occasional showery interludes. The northwest should see the most of the wet weather, with a risk of gales at times. Drier in southeastern parts, but some rain and breezy conditions are still possible. There is the slight chance that drier weather may spread to all parts for a few days from mid-week. Temperatures will vary but should average out to around normal for the time of year with some overnight frosts.

Updated at: 1229 on Sun 25 Sep 2016

UK Outlook for Monday 10 Oct 2016 to Monday 24 Oct 2016:

Low confidence for the weather details for the rest of October. Currently, it is most likely that the unsettled weather will continue. Rain and strong winds possible at times for much of the country, especially in the north, intermixed with quieter, drier spells perhaps lasting a few days particularly in the south. Temperatures around, or slightly below average, with an increasing chance of some chilly nights and local frosts, especially in the north.

Updated at: 1229 on Sun 25 Sep 2016

Weather map

Mon 1000

Weather forecast map for Porthmadog

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

Location Details

Porthmadog

Location: 52.9276, -4.1321

Altitude: 9.0 m above mean sea level

Video forecast