Swansea weather live forecast

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

Thursday
18th Dec
11

8

0

0
Friday
19th Dec
9

7

4

0
Saturday
20th Dec
9

7

1

0
Sunday
21st Dec
8

6

0

0
Monday
22nd Dec
9

6

0

0

5-day weather forecast updated at 04:02 on Wednesday 17th December 2025 GMT

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The 5-day weather forecast for Wales (Swansea) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Swansea weather forecast by day

Below are the detailed weather forecasts for Swansea for the next 5 days.

Swansea weather for Thursday 18th December 2025

Expect overcast with light rain in Swansea, Wales with a maximum temperature of 11°C and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 94% chance of some rain and a moderate breeze of 23 kph from the south-west.

11
°C maximum temperature
8
°C minimum temperature
overcast with light rain
0
hours of sunshine
0
UV index (None)
94
% chance of some rain
<30
mm of rainfall expected
11
°C wind chill
23
kph wind from SW

Swansea weather for Friday 19th December 2025

Expect broken clouds in Swansea, Wales with a maximum temperature of 9°C and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-west.

9
°C maximum temperature
7
°C minimum temperature
broken clouds
4
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
6
°C wind chill
22
kph wind from SW

Swansea weather for Saturday 20th December 2025

Expect mostly cloudy with rain in Swansea, Wales with a maximum temperature of 9°C and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 92% chance of some rain and a moderate breeze of 25 kph from the south.

9
°C maximum temperature
7
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
0
UV index (None)
92
% chance of some rain
<20
mm of rainfall expected
6
°C wind chill
25
kph wind from S

Swansea weather for Sunday 21st December 2025

Expect mostly cloudy with light rain in Swansea, Wales with a maximum temperature of 8°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 16 kph from the south-east.

8
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
56
% chance of some rain
<2
mm of rainfall expected
5
°C wind chill
16
kph wind from SE

Swansea weather for Monday 22nd December 2025

Expect overcast with light rain in Swansea, Wales with a maximum temperature of 9°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a gentle breeze of 15 kph from the east.