Porthmadog weather live forecast

Today's maximum temperature in Porthmadog is expected to be 11°C. Select a day from the live weather forecast for Porthmadog, Wales, UK for more weather parameters.

Tuesday
24th Feb
11

9

1

1
Wednesday
25th Feb
11

9

0

0
Thursday
26th Feb
10

9

1

1
Friday
27th Feb
10

6

2

1
Saturday
28th Feb
9

4

0

1

5-day weather forecast updated at 04:06 on Tuesday 24th February 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 Tuesday 24th February 2026

Expect mostly cloudy with light rain in Porthmadog, Wales with a maximum temperature of 11°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 23% chance of some rain and a moderate breeze of 27 kph from the south.

11
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
23
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
27
kph wind from S

Porthmadog weather for Wednesday 25th February 2026

Expect mostly cloudy with rain in Porthmadog, Wales with a maximum temperature of 11°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 73% chance of some rain and a moderate breeze of 24 kph from the south.

11
°C maximum temperature
9
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
73
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
24
kph wind from S

Porthmadog weather for Thursday 26th February 2026

Expect cloudy with some rain in Porthmadog, Wales with a maximum temperature of 10°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 98% chance of some rain and a strong breeze of 43 kph from the south-west.

10
°C maximum temperature
9
°C minimum temperature
cloudy with some rain
1
hour of sunshine
1
UV index (Low)
98
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
43
kph wind from SW

Porthmadog weather for Friday 27th February 2026

Expect mostly cloudy with rain in Porthmadog, Wales with a maximum temperature of 10°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 78% chance of some rain and a strong breeze of 41 kph from the south-west.

10
°C maximum temperature
6
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
1
UV index (Low)
78
% chance of some rain
<20
mm of rainfall expected
6
°C wind chill
41
kph wind from SW

Porthmadog weather for Saturday 28th February 2026

Expect mostly cloudy with light rain in Porthmadog, Wales with a maximum temperature of 9°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 66% chance of some rain and a fresh breeze of 32 kph from the south.