Machynlleth weather live forecast

Today's maximum temperature in Machynlleth is expected to be 19°C. Select a day from the live weather forecast for Machynlleth, Wales, UK for more weather parameters.

Friday
28th Aug
19

15

2

2
Saturday
29th Aug
20

16

3

1
Sunday
30th Aug
19

15

2

2
Monday
31st Aug
18

15

3

3
Tuesday
1st Sep
19

14

4

3

5-day weather forecast updated at 04:03 on Thursday 27th 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 Friday 28th August 2026

Expect mostly cloudy with rain in Machynlleth, Wales with a maximum temperature of 19°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 67% chance of some rain and a gentle breeze of 19 kph from the south-west.

19
°C maximum temperature
15
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
2
UV index (Low)
67
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
19
kph wind from SW

Machynlleth weather for Saturday 29th August 2026

Expect mostly cloudy with rain in Machynlleth, Wales with a maximum temperature of 20°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 98% chance of some rain and a moderate breeze of 20 kph from the south-west.

20
°C maximum temperature
16
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
1
UV index (Low)
98
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
20
kph wind from SW

Machynlleth weather for Sunday 30th August 2026

Expect isolated thunderstorms in Machynlleth, Wales with a maximum temperature of 19°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 97% chance of some rain and a moderate breeze of 26 kph from the south-west.

19
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
2
UV index (Low)
97
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
26
kph wind from SW

Machynlleth weather for Monday 31st August 2026

Expect mostly cloudy with rain in Machynlleth, Wales with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 92% chance of some rain and a fresh breeze of 33 kph from the west.

18
°C maximum temperature
15
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
3
UV index (Moderate)
92
% chance of some rain
<20
mm of rainfall expected
18
°C wind chill
33
kph wind from W

Machynlleth weather for Tuesday 1st September 2026

Expect mostly cloudy with rain in Machynlleth, Wales with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 80% chance of some rain and a moderate breeze of 28 kph from the south-west.