Porthmadog weather live forecast

Today's maximum temperature in Porthmadog is expected to be 14°C. Select a day from the live weather forecast for Porthmadog, Wales, UK for more weather parameters.

Monday
6th Apr
14

5

4

3
Tuesday
7th Apr
20

8

11

3
Wednesday
8th Apr
18

10

3

3
Thursday
9th Apr
14

9

6

3
Friday
10th Apr
18

9

3

4

5-day weather forecast updated at 04:03 on Monday 6th 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 broken clouds in Porthmadog, Wales with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.

14
°C maximum temperature
5
°C minimum temperature
broken clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from S

Porthmadog weather for Tuesday 7th April 2026

Expect scattered clouds in Porthmadog, Wales with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the east.

20
°C maximum temperature
8
°C minimum temperature
scattered clouds
11
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
20
°C wind chill
23
kph wind from E

Porthmadog weather for Wednesday 8th April 2026

Expect broken clouds in Porthmadog, Wales with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-west.

18
°C maximum temperature
10
°C minimum temperature
broken clouds
3
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from SW

Porthmadog weather for Thursday 9th April 2026

Expect sunshine and showers in Porthmadog, Wales with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 40% chance of some rain and a gentle breeze of 19 kph from the west.

14
°C maximum temperature
9
°C minimum temperature
sunshine and showers
6
hours of sunshine
3
UV index (Moderate)
40
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
19
kph wind from W

Porthmadog weather for Friday 10th April 2026

Expect mostly cloudy with light rain in Porthmadog, Wales with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a fresh breeze of 32 kph from the south-west.