Weather forecast for 10 days
Porthmadog, United Kingdom

Weather forecast for the weekend

Saturday, 21. Jun

Cloudy
4:48 am

9:48 pm
BST
Cloudy
19°C / 14°C
  • Wind: 19km/h SSW
  • Humidity: 76%
  • Precip. probability: 24%
  • Precipitation: 0mm
  • UV index: 4
On Saturday, 21st of June, expect persistent cloudiness.
Minor temperature shifts are anticipated, peaking at a maximum of a breezy 19°C and dropping to a minimum of a mild 14°C.
The forecast high of 19°C is more in line with July's average of 17.2°C than June's 15.9°C.
Sunrise will be at 4:48 am and sunset at 9:48 pm; the daylight will last for 17h and 0min.

Sunday, 22. Jun

Rain
4:48 am

9:48 pm
BST
Rain
16°C / 11°C
  • Wind: 31km/h SW
  • Humidity: 87%
  • Precip. probability: 69%
  • Precipitation: 1mm
  • UV index: 4
On Sunday, in Porthmadog, expect scattered showers to bring rain on and off throughout the day.
Minimal precipitation is predicted. Slight changes in temperature are expected, reaching a high of a comfortable 16°C and decreasing to a low of a fresh 11°C.
The anticipated daytime maximum should align with the typical June high of 15.9°C.
Sunrise will be at 4:48 am and sunset at 9:48 pm; the daylight will last for 16h and 59min.

Frequently asked questions

What is the weather forecast for Porthmadog for Saturday?
On Saturday, expect a cloud-dominated sky with no significant clearing.
What will be the highest temperature on Saturday?
On Saturday, the maximum temperature will be 19°C, while the minimum temperature will be 14°C.
What is the weather forecast for Porthmadog for Sunday?
On Sunday, showers will linger, keeping conditions wet for most of the day.
Will it rain on Sunday?
There is a high likelihood of rainfall on Sunday in Porthmadog, but precipitation will be minimal.
What will be the maximum temperature on Sunday?
On Sunday, the highest temperature will be 16°C, while the lowest temperature will be 11°C.
What is the weather forecast for Porthmadog for the next ten days?
In Porthmadog, a combination of predominantly wet and occasionally dull and clear weather is expected for the next ten days.
Will it rain in the next ten days?
Rainfall is predicted for Sunday through next Saturday in Porthmadog. With light precipitation of 10mm, Monday will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will range between 15°C and 27°C, while the minimum temperature will range between 11°C and 16°C.
What will be the warmest and the coldest days?
The warmest days will be Thursday and Friday, with a maximum of 27°C. Monday will be the coldest day, with a maximum temperature of 15°C.

Long-term weather forecast

Thu19.Jun
  • 27°C
  • 16°C
Sunny
Sunny
  • Wind: 11km/h S
  • Humidity: 58%
  • UV index: 6
  • Precip. probability: 3%
  • Precipitation: 0mm
  • 4:48 am 9:47 pm BST
Fri20.Jun
  • 27°C
  • 16°C
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 17km/h SSE
  • Humidity: 61%
  • UV index: 6
  • Precip. probability: 16%
  • Precipitation: 0mm
  • 4:48 am 9:48 pm BST
Sat21.Jun
  • 19°C
  • 14°C
Cloudy
Cloudy
  • Wind: 19km/h SSW
  • Humidity: 76%
  • UV index: 4
  • Precip. probability: 24%
  • Precipitation: 0mm
  • 4:48 am 9:48 pm BST
Sun22.Jun
  • 16°C
  • 11°C
Rain
Rain
  • Wind: 31km/h SW
  • Humidity: 87%
  • UV index: 4
  • Precip. probability: 69%
  • Precipitation: 1mm
  • 4:48 am 9:48 pm BST
Mon23.Jun
  • 15°C
  • 12°C
Showers
Showers
  • Wind: 28km/h WSW
  • Humidity: 78%
  • UV index: 6
  • Precip. probability: 36%
  • Precipitation: 10mm
  • 4:49 am 9:48 pm BST
Tue24.Jun
  • 16°C
  • 13°C
Showers
Showers
  • Wind: 25km/h SW
  • Humidity: 87%
  • UV index: 4
  • Precip. probability: 54%
  • Precipitation: 3mm
  • 4:49 am 9:48 pm BST
Wed25.Jun
  • 17°C
  • 13°C
Showers
Showers
  • Wind: 28km/h SSW
  • Humidity: 84%
  • UV index: 5
  • Precip. probability: 46%
  • Precipitation: 3mm
  • 4:49 am 9:48 pm BST
Thu26.Jun
  • 16°C
  • 13°C
Rain
Rain
  • Wind: 30km/h SW
  • Humidity: 84%
  • UV index: 4
  • Precip. probability: 61%
  • Precipitation: 7mm
  • 4:50 am 9:48 pm BST
Fri27.Jun
  • 16°C
  • 13°C
Showers
Showers
  • Wind: 28km/h SW
  • Humidity: 83%
  • UV index: 5
  • Precip. probability: 60%
  • Precipitation: 9mm
  • 4:50 am 9:48 pm BST
Sat28.Jun
  • 17°C
  • 12°C
AM Showers
AM Showers
  • Wind: 26km/h SW
  • Humidity: 81%
  • UV index: 5
  • Precip. probability: 53%
  • Precipitation: 8mm
  • 4:51 am 9:48 pm BST
For the next ten days, a combination of primarily rain-soaked and occasionally overcast and sun-filled weather is expected.
Rainfall is forecasted for Sunday through next Saturday.
Expect a substantial fluctuation in daytime highs in the coming days. Maximum temperatures are forecasted between 15°C and 27°C, while the forecast minimum temperature falls between 11°C and 16°C.
Thursday and Friday, with the highest temperature of 27°C, will be the warmest days; Monday will be the coldest day, with the highest temperature of 15°C.
Updated: Jun 18, 2025 @ 23:12:06 UTC
Published by: Weather Atlas | About Us
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