Swansea weather live forecast

Today's maximum temperature in Swansea is expected to be 18°C. Select a day from the live weather forecast for Swansea, Wales, UK for more weather parameters.

Monday
29th Jun
18

15

4

6
Tuesday
30th Jun
18

15

3

5
Wednesday
1st Jul
20

15

4

5
Thursday
2nd Jul
21

13

1

7
Friday
3rd Jul
23

12

11

3

5-day weather forecast updated at 04:01 on Monday 29th June 2026 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 Monday 29th June 2026

Expect broken clouds in Swansea, Wales with a maximum temperature of 18°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.

18
°C maximum temperature
15
°C minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from W

Swansea weather for Tuesday 30th June 2026

Expect mostly cloudy with light rain in Swansea, Wales with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 52% chance of some rain and a gentle breeze of 17 kph from the south-west.

18
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
5
UV index (Moderate)
52
% chance of some rain
<2
mm of rainfall expected
18
°C wind chill
17
kph wind from SW

Swansea weather for Wednesday 1st July 2026

Expect broken clouds in Swansea, Wales with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the west.

20
°C maximum temperature
15
°C minimum temperature
broken clouds
4
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from W

Swansea weather for Thursday 2nd July 2026

Expect mostly cloudy with light rain in Swansea, Wales with a maximum temperature of 21°C, maximum UV of 7 (High) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 45% chance of some rain and a moderate breeze of 21 kph from the west.

21
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
7
UV index (High)
45
% chance of some rain
<2
mm of rainfall expected
21
°C wind chill
21
kph wind from W

Swansea weather for Friday 3rd July 2026

Expect scattered clouds in Swansea, Wales with a maximum temperature of 23°C, maximum UV of 3 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the west.