Porthmadog weather live forecast

Today's maximum temperature in Porthmadog is expected to be 17°C. Select a day from the live weather forecast for Porthmadog, Wales, UK for more weather parameters.

Sunday
26th Apr
17

10

1

3
Monday
27th Apr
15

9

10

3
Tuesday
28th Apr
16

9

6

2
Wednesday
29th Apr
18

6

14

5
Thursday
30th Apr
20

8

0

4

5-day weather forecast updated at 04:03 on Sunday 26th 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 Sunday 26th April 2026

Expect broken clouds in Porthmadog, Wales with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.

17
°C maximum temperature
10
°C minimum temperature
broken clouds
1
hour of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
9
kph wind from SW

Porthmadog weather for Monday 27th April 2026

Expect scattered clouds in Porthmadog, Wales with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north.

15
°C maximum temperature
9
°C minimum temperature
scattered clouds
10
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
21
kph wind from N

Porthmadog weather for Tuesday 28th April 2026

Expect broken clouds in Porthmadog, Wales with a maximum temperature of 16°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the north-east.

16
°C maximum temperature
9
°C minimum temperature
broken clouds
6
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
16
°C wind chill
29
kph wind from NE

Porthmadog weather for Wednesday 29th April 2026

Expect scattered clouds in Porthmadog, Wales with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the east.

18
°C maximum temperature
6
°C minimum temperature
scattered clouds
14
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
36
kph wind from E

Porthmadog weather for Thursday 30th April 2026

Expect overcast skies in Porthmadog, Wales with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the east.