As of 18:28 BST

Weather in St Brides Wentlooge / Llansanffraid Gwynll?g

+25°

St Brides Wentlooge / Llansanffraid Gwynll?g, Saturday, 8 August, 18:28

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

Pressure1016 mb

Wind8 mph SW

Humidity41%

Visibility6.2 mi

Dew point11°C

Detailed hourly forecast

Sun, 09+13 ° /27 °

+27 °

St Brides Wentlooge / Llansanffraid Gwynll?g, Sunday, 9 August

Mainly clear. High 27°C, low 13°C.

Pressure1014 mb

Wind11 mph SW

Humidity45%

Visibility6.2 mi

Dew point10°C

Mon, 10+13 ° /23 °

+23 °

St Brides Wentlooge / Llansanffraid Gwynll?g, Monday, 10 August

Overcast. High 23°C, low 13°C.

Pressure1020 mb

Wind5 mph S

Humidity58%

Visibility6.2 mi

Dew point12°C

Tue, 11+14 ° /25 °

+25 °

St Brides Wentlooge / Llansanffraid Gwynll?g, Tuesday, 11 August

Clear sky. High 25°C, low 14°C.

Pressure1024 mb

Wind3 mph SE

Humidity57%

Visibility6.2 mi

Dew point12°C

Wed, 12+16 ° /27 °

+27 °

St Brides Wentlooge / Llansanffraid Gwynll?g, Wednesday, 12 August

Overcast. High 27°C, low 16°C.

Pressure1022 mb

Wind3 mph SE

Humidity50%

Visibility6.2 mi

Dew point11°C

Thu, 13+19 ° /28 °

+28 °

St Brides Wentlooge / Llansanffraid Gwynll?g, Thursday, 13 August

Clear sky. High 28°C, low 19°C.

Pressure1017 mb

Wind16 mph W

Humidity40%

Visibility—

Dew point10°C

Fri, 14+18 ° /25 °

+25 °

St Brides Wentlooge / Llansanffraid Gwynll?g, Friday, 14 August

Overcast. High 25°C, low 18°C.

Pressure1016 mb

Wind19 mph W

Humidity55%

Visibility—

Dew point15°C

Sat, 15+17 ° /24 °

+24 °

St Brides Wentlooge / Llansanffraid Gwynll?g, Saturday, 15 August

Overcast. High 24°C, low 17°C.

Pressure1017 mb

Wind7 mph NE

Humidity62%

Visibility—

Dew point14°C

Sun, 16+17 ° /22 °

+22 °

St Brides Wentlooge / Llansanffraid Gwynll?g, Sunday, 16 August

Overcast. High 22°C, low 17°C.

Pressure1014 mb

Wind18 mph SW

Humidity54%

Visibility—

Dew point12°C

Mon, 17+16 ° /22 °

0.7

+22 °

St Brides Wentlooge / Llansanffraid Gwynll?g, Monday, 17 August

Light rain. High 22°C, low 16°C.

Pressure1013 mb

Wind17 mph NW

Humidity56%

Visibility—

Dew point12°C

Tue, 18+14 ° /20 °

+20 °

St Brides Wentlooge / Llansanffraid Gwynll?g, Tuesday, 18 August

Partly cloudy. High 20°C, low 14°C.

Pressure1011 mb

Wind18 mph NW

Humidity64%

Visibility—

Dew point11°C

Wed, 19+13 ° /21 °

+21 °

St Brides Wentlooge / Llansanffraid Gwynll?g, Wednesday, 19 August

Partly cloudy. High 21°C, low 13°C.

Pressure1014 mb

Wind17 mph SW

Humidity65%

Visibility—

Dew point11°C

Thu, 20+16 ° /20 °

2.1

+20 °

St Brides Wentlooge / Llansanffraid Gwynll?g, Thursday, 20 August

Light rain. High 20°C, low 16°C.

Pressure1007 mb

Wind18 mph W

Humidity68%

Visibility—

Dew point14°C

Fri, 21+12 ° /21 °

+21 °

St Brides Wentlooge / Llansanffraid Gwynll?g, Friday, 21 August

Overcast. High 21°C, low 12°C.

Pressure1014 mb

Wind16 mph NW

Humidity50%

Visibility—

Dew point8°C

Sat, 22+15 ° /20 °

0.7

+20 °

St Brides Wentlooge / Llansanffraid Gwynll?g, Saturday, 22 August

Light rain. High 20°C, low 15°C.

Pressure1015 mb

Wind24 mph W

Humidity57%

Visibility—

Dew point11°C

Sun, 23+13 ° /20 °

+20 °

St Brides Wentlooge / Llansanffraid Gwynll?g, Sunday, 23 August

Overcast. High 20°C, low 13°C.

Pressure1022 mb

Wind17 mph NW

Humidity45%

Visibility—

Dew point7°C

Questions about the month ahead

How accurate is a month-long forecast?

The first 16 days come from weather models — highly reliable for the first 3–5 days, gradually less so after that. Days 17 to 30 for St Brides Wentlooge / Llansanffraid Gwynll?g are built from climate averages over the last 60 years, so they show typical weather for those dates rather than a specific forecast.

What does "above average" mean?

We compare the forecast with the climate average for exactly the same calendar days, calculated from 60 years of observations. The difference shows how the coming month compares with a typical one.

Where do the 66-year records come from?

These are real historical extremes recorded in St Brides Wentlooge / Llansanffraid Gwynll?g since 1960: the highest and lowest temperature for each calendar date, with the year it happened.

How often is the 30-day forecast updated?

The forecast portion refreshes every hour. The climate portion is based on long-term data and stays stable.