Porthmadog weather live forecast

Today's maximum temperature in Porthmadog is expected to be 15°C. Select a day from the live weather forecast for Porthmadog, Wales, UK for more weather parameters.

Tuesday
27th Oct
15

11

4

1
Wednesday
28th Oct
14

11

4

1
Thursday
29th Oct
14

9

3

1
Friday
30th Oct
14

9

1

0
Saturday
31st Oct
13

8

0

1

5-day weather forecast updated at 04:03 on Tuesday 27th October 2026 GMT

More about Porthmadog

Porthmadog by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Wales

Spabreaks.com promo code: 8% off bookings & vouchers

Exclusive

Save 8% on spa breaks, spa days & gift vouchers
Check out latest offers on over 550 spas across the UK
A guaranteed experience to suit your budget & occasion

Show discount code

******SB8

Redeem Spabreaks.com discount code >>

Expires at 23:59 on Thursday 31st Dec 2026 · View all Spabreaks.com offers

Spa break finder

Destination

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 27th October 2026

Expect mostly cloudy with rain in Porthmadog, Wales with a maximum temperature of 15°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 89% chance of some rain and a strong breeze of 46 kph from the south-west.

15
°C maximum temperature
11
°C minimum temperature
mostly cloudy with rain
4
hours of sunshine
1
UV index (Low)
89
% chance of some rain
<10
mm of rainfall expected
15
°C wind chill
46
kph wind from SW

Porthmadog weather for Wednesday 28th October 2026

Expect mostly cloudy with light rain in Porthmadog, Wales with a maximum temperature of 14°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 66% chance of some rain and a fresh breeze of 30 kph from the south-west.

14
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
1
UV index (Low)
66
% chance of some rain
<5
mm of rainfall expected
14
°C wind chill
30
kph wind from SW

Porthmadog weather for Thursday 29th October 2026

Expect mostly cloudy with light rain in Porthmadog, Wales with a maximum temperature of 14°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 11% chance of some rain and a gentle breeze of 18 kph from the south.

14
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
1
UV index (Low)
11
% chance of some rain
<2
mm of rainfall expected
14
°C wind chill
18
kph wind from S

Porthmadog weather for Friday 30th October 2026

Expect mostly cloudy with light rain in Porthmadog, Wales with a maximum temperature of 14°C and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 61% chance of some rain and a light breeze of 11 kph from the south.

14
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
0
UV index (None)
61
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
11
kph wind from S

Porthmadog weather for Saturday 31st October 2026

Expect cloudy with some rain in Porthmadog, Wales with a maximum temperature of 13°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 44% chance of some rain and a light breeze of 8 kph from the south-west.