Machynlleth weather live forecast

Today's maximum temperature in Machynlleth is expected to be 17°C. Select a day from the live weather forecast for Machynlleth, Wales, UK for more weather parameters.

Thursday
6th Aug
17

11

8

5
Friday
7th Aug
20

11

4

3
Saturday
8th Aug
22

11

1

6
Sunday
9th Aug
19

14

5

4
Monday
10th Aug
19

13

6

5

5-day weather forecast updated at 04:03 on Wednesday 5th August 2026 GMT

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

Machynlleth weather forecast by day

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

Machynlleth weather for Thursday 6th August 2026

Expect broken clouds in Machynlleth, Wales with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.

17
°C maximum temperature
11
°C minimum temperature
broken clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
19
kph wind from W

Machynlleth weather for Friday 7th August 2026

Expect broken clouds in Machynlleth, Wales with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the west.

20
°C maximum temperature
11
°C minimum temperature
broken clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
27
kph wind from W

Machynlleth weather for Saturday 8th August 2026

Expect mostly cloudy with light rain in Machynlleth, Wales with a maximum temperature of 22°C, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 19 kph from the south-west.

22
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
6
UV index (High)
33
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
19
kph wind from SW

Machynlleth weather for Sunday 9th August 2026

Expect mostly cloudy with rain in Machynlleth, Wales with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 57% chance of some rain and a moderate breeze of 26 kph from the west.

19
°C maximum temperature
14
°C minimum temperature
mostly cloudy with rain
5
hours of sunshine
4
UV index (Moderate)
57
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
26
kph wind from W

Machynlleth weather for Monday 10th August 2026

Expect sunshine and showers in Machynlleth, Wales with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a moderate breeze of 24 kph from the west.