As of 20:07 BST

Weather in Llanrumney

+23°Weather now

Llanrumney, Saturday, 8 August, 20:07

Overcast. Feels like 23°C. High 26°C, low 10°C.

Pressure1015 mb
Wind6 mph SW
Humidity50%
Visibility6.2 mi
Dew point12°C
Sun, 09+13 ° /26 °0Mainly clear
+26 °Mainly clear

Llanrumney, Sunday, 9 August

Mainly clear. High 26°C, low 13°C.

Pressure1013 mb
Wind11 mph SW
Humidity40%
Visibility6.2 mi
Dew point9°C
Mon, 10+12 ° /24 °0Overcast
+24 °Overcast

Llanrumney, Monday, 10 August

Overcast. High 24°C, low 12°C.

Pressure1021 mb
Wind8 mph SE
Humidity54%
Visibility6.2 mi
Dew point11°C
Tue, 11+13 ° /27 °0Clear sky
+27 °Clear sky

Llanrumney, Tuesday, 11 August

Clear sky. High 27°C, low 13°C.

Pressure1024 mb
Wind4 mph SE
Humidity49%
Visibility6.2 mi
Dew point11°C
Wed, 12+15 ° /30 °0Overcast
+30 °Overcast

Llanrumney, Wednesday, 12 August

Overcast. High 30°C, low 15°C.

Pressure1022 mb
Wind5 mph E
Humidity41%
Visibility6.2 mi
Dew point9°C
Thu, 13+20 ° /30 °0Mainly clear
+30 °Mainly clear

Llanrumney, Thursday, 13 August

Mainly clear. High 30°C, low 20°C.

Pressure1017 mb
Wind13 mph SW
Humidity27%
Visibility—
Dew point8°C
Fri, 14+16 ° /25 °0Clear sky
+25 °Clear sky

Llanrumney, Friday, 14 August

Clear sky. High 25°C, low 16°C.

Pressure1017 mb
Wind18 mph W
Humidity58%
Visibility—
Dew point15°C
Sat, 15+16 ° /24 °0Overcast
+24 °Overcast

Llanrumney, Saturday, 15 August

Overcast. High 24°C, low 16°C.

Pressure1017 mb
Wind7 mph NW
Humidity57%
Visibility—
Dew point13°C
Sun, 16+17 ° /22 °0Overcast
+22 °Overcast

Llanrumney, Sunday, 16 August

Overcast. High 22°C, low 17°C.

Pressure1014 mb
Wind18 mph SW
Humidity53%
Visibility—
Dew point11°C
Mon, 17+15 ° /22 °0.6Light rain
+22 °Light rain

Llanrumney, Monday, 17 August

Light rain. High 22°C, low 15°C.

Pressure1013 mb
Wind16 mph NW
Humidity53%
Visibility—
Dew point11°C
Tue, 18+13 ° /20 °0Partly cloudy
+20 °Partly cloudy

Llanrumney, Tuesday, 18 August

Partly cloudy. High 20°C, low 13°C.

Pressure1011 mb
Wind17 mph NW
Humidity61%
Visibility—
Dew point10°C
Wed, 19+12 ° /21 °0Partly cloudy
+21 °Partly cloudy

Llanrumney, Wednesday, 19 August

Partly cloudy. High 21°C, low 12°C.

Pressure1014 mb
Wind18 mph SW
Humidity56%
Visibility—
Dew point10°C
Thu, 20+15 ° /21 °1.8Light rain
+21 °Light rain

Llanrumney, Thursday, 20 August

Light rain. High 21°C, low 15°C.

Pressure1007 mb
Wind19 mph W
Humidity67%
Visibility—
Dew point14°C
Fri, 21+11 ° /21 °0Overcast
+21 °Overcast

Llanrumney, Friday, 21 August

Overcast. High 21°C, low 11°C.

Pressure1014 mb
Wind16 mph W
Humidity47%
Visibility—
Dew point7°C
Sat, 22+13 ° /20 °0.7Light rain
+20 °Light rain

Llanrumney, Saturday, 22 August

Light rain. High 20°C, low 13°C.

Pressure1015 mb
Wind25 mph W
Humidity56%
Visibility—
Dew point10°C
Sun, 23+11 ° /20 °0Overcast
+20 °Overcast

Llanrumney, Sunday, 23 August

Overcast. High 20°C, low 11°C.

Pressure1022 mb
Wind16 mph NW
Humidity42%
Visibility—
Dew point6°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 Llanrumney 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 Llanrumney 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.