Weather Porthmadog

Settings
Language
Daily forecast
Day Weather Maximum Day Temperature Minimum Night Temperature Wind Direction and Speed
Wednesday

Light Rain

13°C 55°F 8°C 46°F South South Westerly
Wind Speed 19 km/h 12 mph
Thursday

Light Cloud

12°C 54°F 8°C 46°F West South Westerly
Wind Speed 23 km/h 14 mph
Friday

Heavy Rain Shower

12°C 54°F 7°C 45°F West North Westerly
Wind Speed 24 km/h 15 mph
Saturday

Sunny Intervals

12°C 54°F 10°C 50°F West South Westerly
Wind Speed 18 km/h 11 mph
Sunday

Heavy Rain

12°C 54°F 8°C 46°F West North Westerly
Wind Speed 26 km/h 16 mph

IN ASSOCIATION WITH

Forecast

Sunrise 05:03 Sunset 21:25

Last updated 12:05

Weather forecast details for Wednesday 27 May. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 1400 hours1500 hours1600 hours1700 hours1800 hours1900 hours2000 hours2100 hours2200 hours2300 hours0000 hours
Thu
0100 hours0200 hours0300 hours0400 hours0500 hours        
Weather Conditions Light Cloud Light Cloud Heavy Rain Heavy Rain Heavy Rain Heavy Rain Heavy Rain Thick Cloud Light Cloud Light Cloud Light Cloud Light Cloud Light Cloud Light Cloud Light Cloud Partly Cloudy         
Temperature (°C/°F) 12°C 54°F 12°C 54°F 11°C 52°F 10°C 50°F 9°C 48°F 10°C 50°F 10°C 50°F 11°C 52°F 11°C 52°F 11°C 52°F 10°C 50°F 10°C 50°F 10°C 50°F 9°C 48°F 9°C 48°F 9°C 48°F         
Wind Speed (mph/km/h) Wind Speed 21 km/h 13 mph South South Westerly Wind Speed 32 km/h 20 mph South Westerly Wind Speed 32 km/h 20 mph South Westerly Wind Speed 31 km/h 19 mph South Westerly Wind Speed 31 km/h 19 mph South Westerly Wind Speed 37 km/h 23 mph South Westerly Wind Speed 39 km/h 24 mph South Westerly Wind Speed 32 km/h 20 mph West South Westerly Wind Speed 27 km/h 17 mph West South Westerly Wind Speed 24 km/h 15 mph Westerly Wind Speed 21 km/h 13 mph Westerly Wind Speed 23 km/h 14 mph Westerly Wind Speed 21 km/h 13 mph Westerly Wind Speed 21 km/h 13 mph Westerly Wind Speed 21 km/h 13 mph Westerly Wind Speed 21 km/h 13 mph West North Westerly         
Wind Direction SSW SW SW SW SW SW SW WSW WSW W W W W W W WNW         
Humidity 81% 87% 89% 87% 90% 94% 97% 96% 95% 92% 89% 87% 85% 86% 85% 84%         
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) VG G G M M M G VG VG VG VG VG VG VG VG VG         
Pressure (Millibars) 1020 1019 1018 1017 1016 1015 1014 1013 1013 1013 1013 1013 1013 1013 1013 1013         

Wales

Forecast Summary

  • Today

    After a fine start with some early brightness, cloud will tend to thicken through the morning but remaining dry. Strengthening winds and thickening cloud will bring rain in from the west through the late afternoon and evening.

  • Tonight

    The persistent rain will soon clear through the evening. Turning drier thereafter but staying rather windy with some clear spells and the chance of an isolated shower.

Environmental Summary

UV: 4

UK Range: 1-7

Pollution: Low

UK Range: Low to Very High

Pollen: Low

UK Range: Low to Very High

Share this page

RSS Feeds
Print

Forecast Video

BBC Wales Today

BBC Wales Today Forecast Last updated 06:05, Wednesday 27 May Forecast updated Monday to Friday only

UK

UK Forecast Last updated 12:25, Wednesday 27 May

Observations

Observed at 12:00, Wednesday 27 May

Thick Cloud

11°C 52°F

Wind Speed 37 km/h 23 mph West South Westerly

Humidity: 73%

Visibility: Very Good

Pressure: 1022mb, Falling

Observation station: Capel Curig

(Lat: 53.1 | Lon: -3.933)

BBC Weather in association with the Met Office

All times are BST (Europe/London, GMT+0100) unless otherwise stated

Information given for most appropriate forecast location. See FAQs for details