Weather Porthmadog

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

Light Cloud

18°C 64°F 15°C 59°F South Westerly
21km/h 13mph

Light Cloud

16°C 61°F 8°C 46°F North Westerly
18km/h 11mph

Sunny Intervals

15°C 59°F 14°C 57°F South South Westerly
14km/h 9mph

Light Cloud

17°C 63°F 11°C 52°F South South Westerly
39km/h 24mph

Light Rain Shower

14°C 57°F 11°C 52°F Westerly
26km/h 16mph



Sunrise 07:15 Sunset 18:57

Last updated 23:17

Weather forecast details for Tuesday 30 September. 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 Cloud Thick Cloud Light Cloud Partly Cloudy Partly Cloudy                    
Temperature (°C/°F) 15°C 59°F 15°C 59°F 15°C 59°F 15°C 59°F 15°C 59°F                    
Wind Speed (mph/km/h) 24km/h 15mph South Westerly 21km/h 13mph South Westerly 19km/h 12mph South Westerly 21km/h 13mph South Westerly 21km/h 13mph South Westerly                    
Wind Direction SW SW SW SW SW                    
Humidity 92% 93% 93% 89% 89%                    
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) G G G VG VG                    
Pressure (Millibars) 1020 1021 1021 1021 1021                    


Forecast Summary

  • Tonight

    Rather cloudy this evening with some outbreaks of rain. Becoming drier for a time through the early hours before further patchy rain arrives in the north by dawn.

Environmental Summary

UV: 2

UK Range: 1-7

Pollen: Moderate

UK Range: Low to Very High

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Forecast Video

BBC Wales Today

BBC Wales Today Forecast Last updated 19:05, Tuesday 30 Sep Forecast updated Monday to Friday only


UK Forecast Last updated 23:44, Tuesday 30 Sep


Observed at 23:00, Tuesday 30 September

Light Rain Shower

15°C 59°F

34km/h 21mph West South Westerly

Humidity: Not Available

Visibility: N/A

Pressure: 1019mb, 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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