Weather Porthmadog

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

Heavy Rain

9°C 48°F 5°C 41°F Northerly
Wind Speed 16 km/h 10 mph

Light Rain

7°C 45°F 7°C 45°F South Easterly
Wind Speed 5 km/h 3 mph

Heavy Rain

10°C 50°F 6°C 43°F North Westerly
Wind Speed 24 km/h 15 mph

Light Cloud

11°C 52°F 7°C 45°F North North Westerly
Wind Speed 11 km/h 7 mph

Thick Cloud

11°C 52°F 6°C 43°F West North Westerly
Wind Speed 8 km/h 5 mph



Sunrise 06:52 Sunset 19:51

Last updated 23:10

Weather forecast details for Wednesday 1 April. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 0100 hours0200 hours0300 hours0400 hours0500 hours                   
Weather Conditions Light Rain Thick Cloud Thick Cloud Thick Cloud Thick Cloud                    
Temperature (°C/°F) 7°C 45°F 7°C 45°F 6°C 43°F 6°C 43°F 6°C 43°F                    
Wind Speed (mph/km/h) Wind Speed 16 km/h 10 mph Northerly Wind Speed 13 km/h 8 mph Northerly Wind Speed 10 km/h 6 mph Northerly Wind Speed 10 km/h 6 mph Northerly Wind Speed 10 km/h 6 mph Northerly                    
Wind Direction N N N N N                    
Humidity 93% 91% 91% 91% 91%                    
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) VG VG VG VG VG                    
Pressure (Millibars) 1017 1017 1018 1018 1018                    


Forecast Summary

  • Tonight

    Cloudy with persistent rain this evening, heavy at times, especially on hills. Rain is likely to become more patchy later in the night and winds will gradually ease.

Environmental Summary

UV: 2

UK Range: 1-7

Pollution: Low

UK Range: Low to Very High

Pollen: Low

UK Range: Low to Very High

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Forecast Video

BBC Wales Today

BBC Wales Today Forecast Last updated 19:02, Wednesday 1 Apr Forecast updated Monday to Friday only


UK Forecast Last updated 23:29, Wednesday 1 Apr


Observed at 23:00, Wednesday 1 April


10°C 50°F

Wind Speed 60 km/h 37 mph West South Westerly

Humidity: 88%

Visibility: Moderate

Pressure: 1016mb, 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

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