Weather forecast for 10 days
Portnahaven, United Kingdom

Weather forecast for the weekend

Saturday, 17. May

Sunny
5:08 am

9:36 pm
BST
Sunny
15°C / 10°C
  • Wind: 17km/h NNE
  • Humidity: 74%
  • Precip. probability: 5%
  • Precipitation: 0mm
  • UV index: 5
On Saturday, 17th of May, sunny skies are in store, with excellent visibility.
Rainfall is not anticipated. The day will observe a moderate high of a mild 15°C, subtly differing from a low of a cool 10°C.
The forecast high of 15°C is more in line with June's average of 13.4°C than May's 11.3°C.
Sunrise will be at 5:08 am and sunset at 9:36 pm; the daylight will last for 16h and 29min.

Sunday, 18. May

Sunny
5:06 am

9:38 pm
BST
Sunny
15°C / 10°C
  • Wind: 18km/h ENE
  • Humidity: 73%
  • Precip. probability: 5%
  • Precipitation: 0mm
  • UV index: 5
On Sunday, in Portnahaven, expect consistent sunshine and open skies.
Rainfall is not anticipated. The highest daytime temperature will reach a refreshing 15°C, creating a slight contrast with the predicted nighttime low of a cool 10°C.
It will be warmer, and the temperature will align more closely with June's average high of 13.4°C than May's.
Sunrise will be at 5:06 am and sunset at 9:38 pm; the daylight will last for 16h and 32min.

Frequently asked questions

What is the weather forecast for Portnahaven for Saturday?
On Saturday, in Portnahaven, a sun-drenched sky is anticipated.
Will it rain on Saturday?
No, it will not rain on Saturday.
What will be the maximum temperature on Saturday?
On Saturday, the highest temperature will be 15°C, while the lowest temperature will be 10°C.
What is the weather forecast for Portnahaven for Sunday?
On Sunday, sunshine is expected with little to no cloud cover.
Will it rain on Sunday?
No, it will not rain on Sunday.
What will be the highest temperature on Sunday?
On Sunday, the highest temperature will be 15°C, while the lowest temperature will be 10°C.
What is the weather forecast for Portnahaven for the next ten days?
In Portnahaven, a combination of sun-filled, overcast and rainy weather is expected for the next ten days.
Will it rain in the next ten days?
Rainfall is expected only today. With a probability of 99%, minimal precipitation of 1mm is expected.
How warm will it be in the next ten days?
The maximum temperature will range between 14°C and 18°C, while the minimum temperature will range between 9°C and 11°C.
What will be the warmest and the coldest days?
Today is the warmest day, with a maximum temperature of 18°C. The coldest days will be Thursday and Friday, with a maximum of 14°C.

Long-term weather forecast

Mon12.May
  • 18°C
  • 11°C
Rain
Rain
  • Wind: 17km/h ENE
  • Humidity: 65%
  • UV index: 4
  • Precip. probability: 99%
  • Precipitation: 1mm
  • 5:17 am 9:27 pm BST
Tue13.May
  • 17°C
  • 10°C
Sunny
Sunny
  • Wind: 16km/h ENE
  • Humidity: 65%
  • UV index: 5
  • Precip. probability: 4%
  • Precipitation: 0mm
  • 5:15 am 9:29 pm BST
Wed14.May
  • 15°C
  • 9°C
Mostly Sunny
Mostly Sunny
  • Wind: 19km/h ESE
  • Humidity: 71%
  • UV index: 5
  • Precip. probability: 5%
  • Precipitation: 0mm
  • 5:13 am 9:31 pm BST
Thu15.May
  • 14°C
  • 9°C
Sunny
Sunny
  • Wind: 16km/h E
  • Humidity: 71%
  • UV index: 5
  • Precip. probability: 4%
  • Precipitation: 0mm
  • 5:11 am 9:33 pm BST
Fri16.May
  • 14°C
  • 10°C
Partly Cloudy
Partly Cloudy
  • Wind: 18km/h NNE
  • Humidity: 73%
  • UV index: 5
  • Precip. probability: 5%
  • Precipitation: 0mm
  • 5:09 am 9:35 pm BST
Sat17.May
  • 15°C
  • 10°C
Sunny
Sunny
  • Wind: 17km/h NNE
  • Humidity: 74%
  • UV index: 5
  • Precip. probability: 5%
  • Precipitation: 0mm
  • 5:08 am 9:36 pm BST
Sun18.May
  • 15°C
  • 10°C
Sunny
Sunny
  • Wind: 18km/h ENE
  • Humidity: 73%
  • UV index: 5
  • Precip. probability: 5%
  • Precipitation: 0mm
  • 5:06 am 9:38 pm BST
Mon19.May
  • 15°C
  • 10°C
Sunny
Sunny
  • Wind: 15km/h E
  • Humidity: 73%
  • UV index: 5
  • Precip. probability: 6%
  • Precipitation: 0mm
  • 5:04 am 9:40 pm BST
Tue20.May
  • 16°C
  • 10°C
Partly Cloudy
Partly Cloudy
  • Wind: 13km/h SE
  • Humidity: 75%
  • UV index: 5
  • Precip. probability: 9%
  • Precipitation: 0mm
  • 5:03 am 9:42 pm BST
Wed21.May
  • 15°C
  • 10°C
Partly Cloudy
Partly Cloudy
  • Wind: 15km/h SSE
  • Humidity: 75%
  • UV index: 5
  • Precip. probability: 13%
  • Precipitation: 0mm
  • 5:01 am 9:43 pm BST
sun-filled, dull and showery weather is predicted.
With a probability of 99%, rainfall is predicted only for today. The precipitation will be minimal at 1mm.
In the upcoming period, the highest temperature will range between 14°C and 18°C, while the lowest nighttime temperatures will be relatively consistent, as the minimum temperature is expected to range between 9°C and 11°C.
Today is the warmest day, with a maximum temperature of 18°C; with a maximum temperature of 14°C, Thursday and Friday will be the coldest days in Portnahaven, United Kingdom.
Updated: May 12, 2025 @ 12:30:28 UTC
Published by: Weather Atlas | About Us
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