As of 16:07 BST

Weather in Builth Wells / Llanfair-ym-Muallt

+26°

Builth Wells / Llanfair-ym-Muallt, Saturday, 8 August, 16:07

Overcast. Feels like 25°C. High 26°C, low 10°C.

Pressure1017 mb

Wind12 mph SW

Humidity36%

Visibility6.2 mi

Dew point9°C

Detailed hourly forecast

Two-week forecast for Builth Wells / Llanfair-ym-Muallt: the first week averages +28.8° by day, the second +20.8° — so the second week runs 8° cooler than the first. Around 2 mm of rain is expected over the 14 days, on 0 wet days. The coming weekend starts 8 August: +26°, dry.

First and second week

Week	Day	Night	Rainfall	vs average
1st (8 August – 14 August)	+28.8°	+12.3°	0 mm / 0 d	—
2nd (15 August – 21 August)	+20.8°	+11.5°	2 mm / 0 d	—

Weekend weather

Sat, 8 August

+26°+10°

dry

Sun, 9 August

+26°+12°

dry

Sat, 15 August

+23°+15°

0.5 mm

Sun, 16 August

+25°+14°

0.4 mm

Sun, 09+12 ° /26 °

+26 °

Builth Wells / Llanfair-ym-Muallt, Sunday, 9 August

Overcast. High 26°C, low 12°C.

Pressure1014 mb

Wind9 mph W

Humidity33%

Visibility6.2 mi

Dew point7°C

Mon, 10+12 ° /26 °

+26 °

Builth Wells / Llanfair-ym-Muallt, Monday, 10 August

Overcast. High 26°C, low 12°C.

Pressure1021 mb

Wind7 mph NW

Humidity34%

Visibility6.2 mi

Dew point5°C

Tue, 11+9 ° /29 °

+29 °

Builth Wells / Llanfair-ym-Muallt, Tuesday, 11 August

Clear sky. High 29°C, low 9°C.

Pressure1024 mb

Wind10 mph SE

Humidity32%

Visibility6.2 mi

Dew point7°C

Wed, 12+12 ° /33 °

+33 °

Builth Wells / Llanfair-ym-Muallt, Wednesday, 12 August

Overcast. High 33°C, low 12°C.

Pressure1022 mb

Wind10 mph SE

Humidity22%

Visibility6.2 mi

Dew point4°C

Thu, 13+16 ° /34 °

+34 °

Builth Wells / Llanfair-ym-Muallt, Thursday, 13 August

Clear sky. High 34°C, low 16°C.

Pressure1017 mb

Wind16 mph W

Humidity15%

Visibility—

Dew point2°C

Fri, 14+15 ° /28 °

+28 °

Builth Wells / Llanfair-ym-Muallt, Friday, 14 August

Partly cloudy. High 28°C, low 15°C.

Pressure1016 mb

Wind16 mph W

Humidity46%

Visibility—

Dew point14°C

Sat, 15+15 ° /23 °

0.5

+23 °

Builth Wells / Llanfair-ym-Muallt, Saturday, 15 August

Light rain. High 23°C, low 15°C.

Pressure1017 mb

Wind8 mph NW

Humidity59%

Visibility—

Dew point13°C

Sun, 16+14 ° /25 °

0.4

+25 °

Builth Wells / Llanfair-ym-Muallt, Sunday, 16 August

Light rain. High 25°C, low 14°C.

Pressure1014 mb

Wind14 mph W

Humidity42%

Visibility—

Dew point8°C

Mon, 17+12 ° /20 °

0.4

+20 °

Builth Wells / Llanfair-ym-Muallt, Monday, 17 August

Light rain. High 20°C, low 12°C.

Pressure1013 mb

Wind18 mph NW

Humidity65%

Visibility—

Dew point12°C

Tue, 18+10 ° /18 °

0.2

+18 °

Builth Wells / Llanfair-ym-Muallt, Tuesday, 18 August

Light rain. High 18°C, low 10°C.

Pressure1011 mb

Wind18 mph NW

Humidity59%

Visibility—

Dew point9°C

Wed, 19+10 ° /23 °

+23 °

Builth Wells / Llanfair-ym-Muallt, Wednesday, 19 August

Overcast. High 23°C, low 10°C.

Pressure1013 mb

Wind14 mph W

Humidity41%

Visibility—

Dew point7°C

Thu, 20+11 ° /19 °

0.6

+19 °

Builth Wells / Llanfair-ym-Muallt, Thursday, 20 August

Light rain. High 19°C, low 11°C.

Pressure1007 mb

Wind18 mph NW

Humidity89%

Visibility—

Dew point14°C

Fri, 21+10 ° /18 °

0.2

+18 °

Builth Wells / Llanfair-ym-Muallt, Friday, 21 August

Light rain. High 18°C, low 10°C.

Pressure1014 mb

Wind19 mph NW

Humidity52%

Visibility—

Dew point7°C

Forecast questions

Can I plan a trip on a two-week forecast?

The first week is solid for planning. The second week shows the trend — go by the averages and the comparison with the climate normal, and check again closer to the date.

What does the "vs average" column mean?

It is the difference between the forecast and the climate average for the same dates in Builth Wells / Llanfair-ym-Muallt, calculated from 60 years of observations. A plus means the week is warmer than usual.

Why are weekends shown separately?

Saturday and Sunday plans are what people ask about most, so we break them out as separate cards with temperature and rainfall.