Porthmadog weather live forecast

Today's maximum temperature in Porthmadog is expected to be 57°F. Select a day from the live weather forecast for Porthmadog, Wales, UK for more weather parameters.

Monday
6th Apr
57

41

8

3
Tuesday
7th Apr
72

45

7

3
Wednesday
8th Apr
63

48

2

3
Thursday
9th Apr
54

45

6

3
Friday
10th Apr
63

43

5

3

5-day weather forecast updated at 04:03 on Sunday 5th April 2026 GMT

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The 5-day weather forecast for Wales (Porthmadog) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Porthmadog weather forecast by day

Below are the detailed weather forecasts for Porthmadog for the next 5 days.

Porthmadog weather for Monday 6th April 2026

Expect scattered clouds in Porthmadog, Wales with a maximum temperature of 57°F, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the south.

57
°F maximum temperature
41
°F minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
57
°F wind chill
12
mph wind from S

Porthmadog weather for Tuesday 7th April 2026

Expect scattered clouds in Porthmadog, Wales with a maximum temperature of 72°F, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the east.

72
°F maximum temperature
45
°F minimum temperature
scattered clouds
7
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
12
mph wind from E

Porthmadog weather for Wednesday 8th April 2026

Expect mostly cloudy with light rain in Porthmadog, Wales with a maximum temperature of 63°F, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 7% chance of some rain and a gentle breeze of 9 mph from the south-west.

63
°F maximum temperature
48
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
3
UV index (Moderate)
7
% chance of some rain
<2
mm of rainfall expected
63
°F wind chill
9
mph wind from SW

Porthmadog weather for Thursday 9th April 2026

Expect sunshine and showers in Porthmadog, Wales with a maximum temperature of 54°F, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 38% chance of some rain and a moderate breeze of 15 mph from the west.

54
°F maximum temperature
45
°F minimum temperature
sunshine and showers
6
hours of sunshine
3
UV index (Moderate)
38
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
15
mph wind from W

Porthmadog weather for Friday 10th April 2026

Expect broken clouds in Porthmadog, Wales with a maximum temperature of 63°F, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 22 mph from the south-west.