World
Europe
- Central
- Deutschland
- East
- North
- South
- West
- » Belgium
- » France
- » Ireland
- » Luxembourg
- » Netherlands
- ⇓ UK
-
- Aberdaron
- Aberdeen
- Aberystwyth
- Aboyne
- Albemarle
- Aldergrove
- Alderney
- Almondsbury
- Alnwick
- Altnaharra
- Altrincham
- Andover
- Armagh
- Aspatria
- Aviemore
- Aylsham
- Ayr
- Bala
- Ballycastle
- Ballykinler
- Ballymena
- Bangor
- Barnstaple
- Barra
- Barrow
- Barrow-in-Furness
- Basingstoke
- Bath
- Bathgate
- Bealach na Bà
- Bedford
- Belfast
- Benbecula
- Ben Nevis
- Bideford Bay
- Biggin Hill
- Birmingham
- Bishopton
- Blackpool
- Bodmin
- Boroughbridge
- Bournemouth
- Bradford
- Braintree
- Brampton
- Bridlington
- Brighton
- Bristol
- Bristol Airport
- Brize Norton
- Brough Sowerby
- Bury St Edmunds
- Caernarfon
- Cairngorms
- Camborne
- Cambrian Mountains
- Cambridge
- Campbeltown
- Campbeltown
- Cannock
- Canterbury
- Cardiff
- Cardigan
- Carlisle
- Carmarthen
- Cassley
- Charlwood
- Cheltenham
- Chester
- Church Fenton
- City of Westminster
- Colchester
- Colwyn Bay
- Cookstown
- Coventry
- Cromarty
- Cromer
- Croydon
- Dalwhinnie
- Darlington
- Dartmoor
- Derby
- Derry
- Derry
- Doncaster
- Dornoch
- Douglas
- Dover
- Dronfield
- Drumnadrochit
- Dunbeg
- Dundee
- Dunfermline
- Dungiven
- Durham
- Eastbourne
- East Kilbride
- East Malling and Larkfield
- Edgbaston
- Edinburgh
- Elgin
- Emley
- Enniskillen
- Eskdalemuir
- Exeter
- Exeter Airport No.
- Exmoor NP
- Fairford
- Fair Isle
- Falmouth
- Farnborough
- Fife Ness
- Fife Ness
- Folkestone
- Formby
- Fraserburgh
- Fyvie Castle
- Gainsborough
- Galashiels
- Gatwick Airport
- Girton
- Glasgow
- Glenlivet
- Gloucester
- Gorleston-on-Sea
- Gravesend
- Greenock
- Grimsby
- Guernsey
- Haltwhistle
- Harpenden
- Hartlepool
- Harwich
- Hastings
- Hawick
- Hebrides N
- Hebrides S
- Helen's Bay
- Helmsdale
- Hereford
- High Wycombe
- Holbeach
- Holyhead
- Huddersfield
- Huntingdon
- Ingliston
- Inveraray
- Inverness
- Ipswich
- Islay
- Isle of Lewis
- Isle of Man
- Isle of Portland
- Isle of Skye
- Isle of Wight
- Isles of Scilly
- Jedburgh
- Jersey
- Katesbridge
- Keele
- Keighley
- Kelso
- Keswick
- Kilchoan
- Killin
- Killowen
- Kilmarnock
- Kinbrace
- Kingsthorpe
- Kinlochewe
- Kirby Grindalythe
- Kirkcaldy
- Kirkcudbright
- Kirkwall
- Kyle of Lochalsh
- Lake Dist
- Lake Vyrnwy
- Lanark
- Land's End
- Larne
- Leconfield
- Leeds
- Leeds Bradford Airport
- Leek
- Leicester
- Lerwick
- Limavady
- Lincoln
- Lincolnshire
- Liskeard
- Liverpool
- Lizard Point
- Lizard Point
- Llangollen
- Llŷn Peninsula
- Lochboisdale
- Loch Glascarnoch
- Lochranza
- London
- London City
- London Stansted Airport
- London WC
- Lossiemouth
- Loughguile
- Lough Neagh
- Luton
- Lydd
- Magilligan
- Malvern
- Manchester
- Manston SE
- Middlesbrough
- Mildenhall
- Milford Haven
- Milton Keynes
- Monks Wood
- Montrose
- Muckle Holm
- N-Devon
- Newcastle upon Tyne
- Newport
- Newquay
- Newry
- Northallerton
- Northampton
- North Rona
- North Tawton
- Northumberland
- North Yorkshire
- Norwich
- Nottingham
- Nuneaton
- Oban
- Omagh
- Orkney
- Orkney / Hoy
- Oxford
- Paisley
- Peebles
- Pennines
- Pennines/N
- Penrith
- Penzance
- Pershore
- Perth
- Peterborough
- Peterhead
- Plymouth
- Port Askaig
- Porthmadog
- Portsmouth
- Preston
- Raf Mona
- Ramsgate
- Reading
- Redhill
- Rochdale
- Rosehearty
- Royal Hillsborough
- Rugby
- Salisbury
- Santon Downham
- Scatsta Airport
- Scone
- Scottish Highlands
- Scunthorpe
- Sheerness
- Sheffield
- Shetland
- Shetland N
- Shetland S
- Shetland W
- Shobdon
- Shoeburyness
- Shrewsbury
- Skegness
- Skipton
- Sleaford
- Slough
- Snowdonia
- Solway Firth
- Southampton
- Southend-on-Sea
- Southport
- South Uist
- South Wales
- Spadeadam
- Stamford
- St Andrews
- Stanhope
- St Helier
- St Mary's
- Stonehaven
- Stonehenge
- Stonyhurst
- Stornoway
- Stow-on-the-Wold
- Strabane
- Stranraer
- Stratford-upon-Avon
- Strathaven
- Sule Skerry
- Sunderland
- Sutton Bonington
- Swanage
- Swansea
- Swindon
- Taunton
- Telford
- The Cairnwell
- Thetford
- Thetford
- Thirsk
- Thomastown
- Thorney Island
- Tibenham Airport
- Tiree
- Tongue
- Tulloch Roy Bridge
- Tynemouth
- Ullapool
- Wadebridge
- Wallingford
- Warwick
- Weston-super-Mare
- Weymouth
- Whitby
- Whitehaven
- Wick
- Winchester
- Windsor
- Wisley
- Woburn
- Wolverhampton
- Woodford
- Worcester
- Workington
- Wrexham
- Writtle
- Yate
- Yeovil
- York
Porthmadog Weather forecast
| Sa 18 | Su 19 | Mo 20 | Tu 21 | We 22 | Th 23 | Fr 24 | Sa 25 | |
| Tmax (°C) | 21 | 23 | 21 | 20 | 16 | 15 | 16 | 17 |
| Tmin (°C) | 9 | 5 | 6 | 9 | 8 | 9 | 8 | 7 |
| morning 24-06 |
 |
 |
|
 |
 |
 |
 |
|
| a.m. 06-12 |
 |
 |
 |
|
 |
|
|
|
| p.m. 12-18 |
|
|
|
|
 |
 |
|
|
| evening 18-24 |
|
|
|
|
|
|
|
|
| Rain risk | 25 % | 5 % | 30 % | 10 % | 60 % | 55 % | 25 % | 35 % |
| Sunshine hours |  |
|
|
|
|
|
|
|
| (hrs) | 6.4 | 15.2 | 8.1 | 10.5 | 0.8 | 0.8 | 5.7 | 4.1 |
| UV index | 6 | 6 | 6 | 6 | 3 | 3 | 6 | 5 |
| Sunrise Sunset |
05:13 21:14 |
05:12 21:15 |
05:10 21:17 |
05:09 21:18 |
05:07 21:20 |
05:06 21:21 |
05:05 21:23 |
05:04 21:24 |
| Wind p.m. |  |
|
 |
 |
|
 |
|
 |
| Bft | NE 2 | NE 2 | E 1-2 | W 1-2 | W 2 | SW 2 | SW 2-3 | S 3 |
Last updated: Sat 18 May 11:00 EDT
| Nearby Forecast Locations - Porthmadog | Distance |
| Snowdonia | 15.0 km |
| Llyn Trawsfynydd | 15.0 km |
| Caernarfon | 19.3 km |
| Gwynedd | 21.7 km |
| Harlech | 22.4 km |
| Menai Bridge | 24.5 km |
| Barmouth | 31.6 km |
| Raf Mona | 33.7 km |
| Bala Lake | 33.9 km |
| Abersoch | 34.6 km |
| Conwy | 35.7 km |
| Bala | 36.4 km |
| Llyn Brenig | 39.0 km |
| Holyhead | 41.0 km |
| Llŷn Peninsula | 42.2 km |
| Llangollen | 45.0 km |
| Colwyn Bay | 45.8 km |
| Aberdaron | 49.9 km |
| Lake Vyrnwy | 49.9 km |
| Machynlleth | 54.2 km |
| Newtown | 77.5 km |
