As of 03:07 BST

Weather in Pentwyn Berthl?yd

+7°

Pentwyn Berthl?yd, Thursday, 8 October, 03:07

Clear sky. Feels like 7°C. High 14°C, low 7°C.

Pressure1019 mb

Wind3 mph NW

Humidity86%

Visibility6.2 mi

Dew point5°C

Detailed hourly forecast

The month ahead in Pentwyn Berthl?yd: daytime temperatures averaging +13.9° and +8.3° overnight — that is 0.5° above the climate average for October. Rain is expected on 7 days (around 78 mm), against a normal of 7 days and 57 mm. The warmest day should be 9 October (+16.1°), the coolest 16 October (+4.7°).

+13.9°/+8.3°

Average day / night

+0.5°

Above average

7 / 7

Wet days / normal

78 mm

Rainfall this month

Ten-day blocks against the climate average

Period	Forecast (day)	Average	Difference
8 October – 17 October	+13.4°	+13.8°	-0.3°
18 October – 27 October	+14.6°	+12.6°	+2.1°
28 October – 6 November	near average	+11.4°	—

October records over 66 years

+23.5°1 October 2011All-time high

-2.3°16 October 1993All-time low

Climate averages and records are calculated from the nearest reference point — Treharris (0.6 km away).

Fri, 09+9 ° /16 °

6.6

+16 °

Pentwyn Berthl?yd, Friday, 9 October

Rain. High 16°C, low 9°C.

Pressure1011 mb

Wind20 mph W

Humidity98%

Visibility1.5 mi

Dew point14°C

Sat, 10+8 ° /11 °

+11 °

Pentwyn Berthl?yd, Saturday, 10 October

Overcast. High 11°C, low 8°C.

Pressure1015 mb

Wind16 mph W

Humidity67%

Visibility6.2 mi

Dew point5°C

Sun, 11+7 ° /12 °

+12 °

Pentwyn Berthl?yd, Sunday, 11 October

Overcast. High 12°C, low 7°C.

Pressure1016 mb

Wind7 mph W

Humidity67%

Visibility6.2 mi

Dew point6°C

Mon, 12+8 ° /15 °

19.2

+15 °

Pentwyn Berthl?yd, Monday, 12 October

Rain. High 15°C, low 8°C.

Pressure1016 mb

Wind13 mph S

Humidity99%

Visibility—

Dew point13°C

Tue, 13+11 ° /16 °

6.8

+16 °

Pentwyn Berthl?yd, Tuesday, 13 October

Light rain. High 16°C, low 11°C.

Pressure1021 mb

Wind17 mph SW

Humidity97%

Visibility—

Dew point15°C

Wed, 14+6 ° /15 °

+15 °

Pentwyn Berthl?yd, Wednesday, 14 October

Overcast. High 15°C, low 6°C.

Pressure1023 mb

Wind9 mph SW

Humidity67%

Visibility—

Dew point8°C

Thu, 15+7 ° /12 °

21.7

+12 °

Pentwyn Berthl?yd, Thursday, 15 October

Heavy rain. High 12°C, low 7°C.

Pressure1013 mb

Wind20 mph N

Humidity92%

Visibility—

Dew point7°C

Fri, 16+5 ° /11 °

+11 °

Pentwyn Berthl?yd, Friday, 16 October

Clear sky. High 11°C, low 5°C.

Pressure1023 mb

Wind14 mph N

Humidity67%

Visibility—

Dew point4°C

Sat, 17+6 ° /13 °

0.3

+13 °

Pentwyn Berthl?yd, Saturday, 17 October

Light rain. High 13°C, low 6°C.

Pressure1020 mb

Wind11 mph N

Humidity66%

Visibility—

Dew point5°C

Sun, 18+8 ° /12 °

19.1

+12 °

Pentwyn Berthl?yd, Sunday, 18 October

Rain. High 12°C, low 8°C.

Pressure1017 mb

Wind5 mph SE

Humidity100%

Visibility—

Dew point9°C

Mon, 19+12 ° /14 °

2.7

+14 °

Pentwyn Berthl?yd, Monday, 19 October

Light rain. High 14°C, low 12°C.

Pressure1018 mb

Wind6 mph SE

Humidity89%

Visibility—

Dew point12°C

Tue, 20+12 ° /16 °

0.9

+16 °

Pentwyn Berthl?yd, Tuesday, 20 October

Light rain. High 16°C, low 12°C.

Pressure1019 mb

Wind12 mph SE

Humidity87%

Visibility—

Dew point12°C

Wed, 21+11 ° /16 °

+16 °

Pentwyn Berthl?yd, Wednesday, 21 October

Overcast. High 16°C, low 11°C.

Pressure1016 mb

Wind15 mph SE

Humidity73%

Visibility—

Dew point10°C

Thu, 22+9 ° /16 °

+16 °

Pentwyn Berthl?yd, Thursday, 22 October

Partly cloudy. High 16°C, low 9°C.

Pressure1012 mb

Wind16 mph E

Humidity71%

Visibility—

Dew point9°C

Fri, 23+7 ° /14 °

+14 °

Pentwyn Berthl?yd, Friday, 23 October

Partly cloudy. High 14°C, low 7°C.

Pressure1017 mb

Wind17 mph NE

Humidity69%

Visibility—

Dew point7°C

Days 17 onward are based on 60-year climate statistics

Sat, 24+7 ° /12 °

4.6

+12 °

Pentwyn Berthl?yd, Saturday, 24 October

Climate average for this date — the mean of the last 60 years.

Average high12°C

Average low7°C

Average rainfall4.6 mm

Chance of rain52%

Warmest on record+16° (1995)

Coldest on record0° (1987)

Sun, 25+7 ° /12 °

4.2

+12 °

Pentwyn Berthl?yd, Sunday, 25 October

Climate average for this date — the mean of the last 60 years.

Average high12°C

Average low7°C

Average rainfall4.2 mm

Chance of rain48%

Warmest on record+16° (2013)

Coldest on record-2° (2010)

Mon, 26+7 ° /13 °

3.2

+13 °

Pentwyn Berthl?yd, Monday, 26 October

Climate average for this date — the mean of the last 60 years.

Average high13°C

Average low7°C

Average rainfall3.2 mm

Chance of rain48%

Warmest on record+17° (2005)

Coldest on record+0° (1997)

Tue, 27+7 ° /12 °

3.9

+12 °

Pentwyn Berthl?yd, Tuesday, 27 October

Climate average for this date — the mean of the last 60 years.

Average high12°C

Average low7°C

Average rainfall3.9 mm

Chance of rain48%

Warmest on record+18° (2005)

Coldest on record-1° (2003)

Wed, 28+7 ° /12 °

4.9

+12 °

Pentwyn Berthl?yd, Wednesday, 28 October

Climate average for this date — the mean of the last 60 years.

Average high12°C

Average low7°C

Average rainfall4.9 mm

Chance of rain52%

Warmest on record+18° (2014)

Coldest on record+0° (2012)

Thu, 29+7 ° /12 °

3.9

+12 °

Pentwyn Berthl?yd, Thursday, 29 October

Climate average for this date — the mean of the last 60 years.

Average high12°C

Average low7°C

Average rainfall3.9 mm

Chance of rain45%

Warmest on record+16° (1984)

Coldest on record-2° (2008)

Fri, 30+7 ° /12 °

4.4

+12 °

Pentwyn Berthl?yd, Friday, 30 October

Climate average for this date — the mean of the last 60 years.

Average high12°C

Average low7°C

Average rainfall4.4 mm

Chance of rain57%

Warmest on record+17° (2001)

Coldest on record-1° (1983)

Sat, 31+7 ° /12 °

5.5

+12 °

Pentwyn Berthl?yd, Saturday, 31 October

Climate average for this date — the mean of the last 60 years.

Average high12°C

Average low7°C

Average rainfall5.5 mm

Chance of rain58%

Warmest on record+19° (2014)

Coldest on record-1° (1992)

Sun, 01+7 ° /12 °

+12 °

Pentwyn Berthl?yd, Sunday, 1 November

Climate average for this date — the mean of the last 60 years.

Average high12°C

Average low7°C

Average rainfall4 mm

Chance of rain50%

Warmest on record+16° (2014)

Coldest on record+0° (1988)

Mon, 02+7 ° /11 °

5.2

+11 °

Pentwyn Berthl?yd, Monday, 2 November

Climate average for this date — the mean of the last 60 years.

Average high11°C

Average low7°C

Average rainfall5.2 mm

Chance of rain57%

Warmest on record+16° (2005)

Coldest on record-2° (2006)

Tue, 03+7 ° /11 °

3.2

+11 °

Pentwyn Berthl?yd, Tuesday, 3 November

Climate average for this date — the mean of the last 60 years.

Average high11°C

Average low7°C

Average rainfall3.2 mm

Chance of rain48%

Warmest on record+15° (1979)

Coldest on record-2° (2006)

Wed, 04+6 ° /11 °

2.7

+11 °

Pentwyn Berthl?yd, Wednesday, 4 November

Climate average for this date — the mean of the last 60 years.

Average high11°C

Average low6°C

Average rainfall2.7 mm

Chance of rain40%

Warmest on record+15° (1978)

Coldest on record-2° (2006)

Thu, 05+6 ° /11 °

3.1

+11 °

Pentwyn Berthl?yd, Thursday, 5 November

Climate average for this date — the mean of the last 60 years.

Average high11°C

Average low6°C

Average rainfall3.1 mm

Chance of rain40%

Warmest on record+15° (1978)

Coldest on record0° (1988)

Fri, 06+6 ° /10 °

2.4

+10 °

Pentwyn Berthl?yd, Friday, 6 November

Climate average for this date — the mean of the last 60 years.

Average high10°C

Average low6°C

Average rainfall2.4 mm

Chance of rain42%

Warmest on record+16° (2015)

Coldest on record+1° (2006)

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 Pentwyn Berthl?yd 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 Pentwyn Berthl?yd 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.