Thursday
Cloudy
High: 18°C
(64°F)
Wind: W at 18 mph (29 km/h)
Humidity: 57%
85% chance of showers
Porthmadog Weather - Extended Forecast
Regional Forecast
Wednesday
Cloudy at first but becoming brighter through the day with even a few breaks to sunshine. Feeling warm and humid, with scattered showers spreading from the south by the evening. Maximum temperature 24°C.
Outlook For Thursday To Saturday
A mainly cloudy period with spells of rain at times, but some drier interludes as well. Breezy at times, but winds easing by Saturday. Increasingly warm and feeling rather humid.
Daily Forecast
Thursday Night
Light rain
Low: 14°C
(57°F)
Wind: SW at 13 mph (21 km/h)
Humidity: 89%
55% chance of showers
Friday
Overcast
High: 18°C
(64°F)
Wind: SSW at 20 mph (32 km/h)
Humidity: 89%
50% chance of showers
Friday Night
Mist
Low: 16°C
(61°F)
Wind: SW at 18 mph (29 km/h)
Humidity: 98%
20% chance of showers
Saturday
Overcast
High: 18°C
(64°F)
Wind: SW at 18 mph (29 km/h)
Humidity: 91%
25% chance of showers
Saturday Night
Cloudy
Low: 16°C
(61°F)
Wind: SSW at 11 mph (18 km/h)
Humidity: 97%
25% chance of showers
Sunday
Cloudy
High: 18°C
(64°F)
Wind: SSW at 13 mph (21 km/h)
Humidity: 90%
25% chance of showers
Sunday Night
Cloudy
Low: 15°C
(59°F)
Wind: SSW at 9 mph (14 km/h)
Humidity: 96%
15% chance of showers
Monday
Cloudy
High: 20°C
(68°F)
Wind: SW at 9 mph (14 km/h)
Humidity: 84%
20% chance of showers
Monday Night
Cloudy
Low: 15°C
(59°F)
Wind: SSW at 7 mph (11 km/h)
Humidity: 93%
15% chance of showers