As of 21:33 BST

Weather in Cnap-Llwyd

+9°

Cnap-Llwyd, Wednesday, 7 October, 21:33

Mainly clear. Feels like 8°C. High 14°C, low 9°C.

Pressure1019 mb

Wind6 mph NW

Humidity84%

Visibility6.2 mi

Dew point7°C

Detailed hourly forecast

The month ahead in Cnap-Llwyd: daytime temperatures averaging +13.9° and +8.7° overnight — that is 0° above the climate average for October. Rain is expected on 10 days (around 81 mm), against a normal of 8 days and 63 mm. The warmest day should be 9 October (+17.5°), the coolest 18 October (+6.3°).

+13.9°/+8.7°

Average day / night

+0°

Above average

10 / 8

Wet days / normal

81 mm

Rainfall this month

Ten-day blocks against the climate average

Period	Forecast (day)	Average	Difference
7 October – 16 October	+14.5°	+14.3°	+0.2°
17 October – 26 October	+12.8°	+13.1°	-0.2°
27 October – 5 November	near average	+12.1°	—

October records over 66 years

+22.2°1 October 2011All-time high

-0.5°30 October 2018All-time low

Climate averages and records are calculated from the nearest reference point — Swansea / Abertawe (3.3 km away).

Thu, 08+9 ° /14 °

1.6

+14 °

Cnap-Llwyd, Thursday, 8 October

Light rain. High 14°C, low 9°C.

Pressure1025 mb

Wind10 mph NW

Humidity68%

Visibility6.2 mi

Dew point7°C

Fri, 09+10 ° /17 °

5.6

+17 °

Cnap-Llwyd, Friday, 9 October

Rain. High 17°C, low 10°C.

Pressure1012 mb

Wind21 mph W

Humidity95%

Visibility1.9 mi

Dew point14°C

Sat, 10+10 ° /13 °

+13 °

Cnap-Llwyd, Saturday, 10 October

Mainly clear. High 13°C, low 10°C.

Pressure1014 mb

Wind17 mph W

Humidity63%

Visibility6.2 mi

Dew point6°C

Sun, 11+7 ° /13 °

+13 °

Cnap-Llwyd, Sunday, 11 October

Overcast. High 13°C, low 7°C.

Pressure1015 mb

Wind4 mph W

Humidity68%

Visibility6.2 mi

Dew point7°C

Mon, 12+11 ° /17 °

9.3

+17 °

Cnap-Llwyd, Monday, 12 October

Rain. High 17°C, low 11°C.

Pressure1011 mb

Wind13 mph SE

Humidity98%

Visibility—

Dew point16°C

Tue, 13+11 ° /16 °

3.4

+16 °

Cnap-Llwyd, Tuesday, 13 October

Light rain. High 16°C, low 11°C.

Pressure1022 mb

Wind17 mph SW

Humidity71%

Visibility—

Dew point10°C

Wed, 14+11 ° /15 °

+15 °

Cnap-Llwyd, Wednesday, 14 October

Mainly clear. High 15°C, low 11°C.

Pressure1031 mb

Wind11 mph SW

Humidity75%

Visibility—

Dew point10°C

Thu, 15+8 ° /14 °

0.9

+14 °

Cnap-Llwyd, Thursday, 15 October

Light rain. High 14°C, low 8°C.

Pressure1019 mb

Wind17 mph SW

Humidity92%

Visibility—

Dew point13°C

Fri, 16+7 ° /11 °

+11 °

Cnap-Llwyd, Friday, 16 October

Overcast. High 11°C, low 7°C.

Pressure1026 mb

Wind9 mph SE

Humidity64%

Visibility—

Dew point4°C

Sat, 17+7 ° /14 °

1.3

+14 °

Cnap-Llwyd, Saturday, 17 October

Light rain. High 14°C, low 7°C.

Pressure1012 mb

Wind13 mph W

Humidity83%

Visibility—

Dew point11°C

Sun, 18+6 ° /14 °

0.6

+14 °

Cnap-Llwyd, Sunday, 18 October

Light rain. High 14°C, low 6°C.

Pressure1012 mb

Wind28 mph S

Humidity70%

Visibility—

Dew point6°C

Mon, 19+10 ° /14 °

18.1

+14 °

Cnap-Llwyd, Monday, 19 October

Rain. High 14°C, low 10°C.

Pressure999 mb

Wind27 mph SW

Humidity70%

Visibility—

Dew point5°C

Tue, 20+8 ° /11 °

16.4

+11 °

Cnap-Llwyd, Tuesday, 20 October

Rain. High 11°C, low 8°C.

Pressure997 mb

Wind25 mph SW

Humidity70%

Visibility—

Dew point5°C

Wed, 21+7 ° /11 °

7.2

+11 °

Cnap-Llwyd, Wednesday, 21 October

Light rain. High 11°C, low 7°C.

Pressure1007 mb

Wind11 mph W

Humidity72%

Visibility—

Dew point5°C

Thu, 22+8 ° /13 °

14.5

+13 °

Cnap-Llwyd, Thursday, 22 October

Rain. High 13°C, low 8°C.

Pressure1006 mb

Wind21 mph SE

Humidity79%

Visibility—

Dew point8°C

Days 17 onward are based on 60-year climate statistics

Fri, 23+9 ° /13 °

3.8

+13 °

Cnap-Llwyd, Friday, 23 October

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

Average high13°C

Average low9°C

Average rainfall3.8 mm

Chance of rain47%

Warmest on record+17° (2011)

Coldest on record+3° (1987)

Sat, 24+9 ° /13 °

5.7

+13 °

Cnap-Llwyd, Saturday, 24 October

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

Average high13°C

Average low9°C

Average rainfall5.7 mm

Chance of rain58%

Warmest on record+16° (1995)

Coldest on record+2° (1987)

Sun, 25+9 ° /13 °

5.2

+13 °

Cnap-Llwyd, Sunday, 25 October

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

Average high13°C

Average low9°C

Average rainfall5.2 mm

Chance of rain55%

Warmest on record+16° (2022)

Coldest on record+1° (2010)

Mon, 26+9 ° /13 °

3.5

+13 °

Cnap-Llwyd, Monday, 26 October

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

Average high13°C

Average low9°C

Average rainfall3.5 mm

Chance of rain52%

Warmest on record+17° (2005)

Coldest on record+4° (2003)

Tue, 27+9 ° /13 °

+13 °

Cnap-Llwyd, Tuesday, 27 October

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

Average high13°C

Average low9°C

Average rainfall5 mm

Chance of rain53%

Warmest on record+18° (2022)

Coldest on record+2° (1962)

Wed, 28+9 ° /13 °

4.8

+13 °

Cnap-Llwyd, Wednesday, 28 October

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

Average high13°C

Average low9°C

Average rainfall4.8 mm

Chance of rain62%

Warmest on record+17° (2014)

Coldest on record+2° (2018)

Thu, 29+9 ° /12 °

4.8

+12 °

Cnap-Llwyd, Thursday, 29 October

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

Average high12°C

Average low9°C

Average rainfall4.8 mm

Chance of rain52%

Warmest on record+17° (2022)

Coldest on record+0° (2018)

Fri, 30+9 ° /13 °

5.2

+13 °

Cnap-Llwyd, Friday, 30 October

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

Average high13°C

Average low9°C

Average rainfall5.2 mm

Chance of rain58%

Warmest on record+17° (2015)

Coldest on record0° (2018)

Sat, 31+9 ° /13 °

5.6

+13 °

Cnap-Llwyd, Saturday, 31 October

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

Average high13°C

Average low9°C

Average rainfall5.6 mm

Chance of rain65%

Warmest on record+19° (2014)

Coldest on record+2° (1966)

Sun, 01+9 ° /12 °

+12 °

Cnap-Llwyd, Sunday, 1 November

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

Average high12°C

Average low9°C

Average rainfall5 mm

Chance of rain57%

Warmest on record+16° (2009)

Coldest on record+2° (2008)

Mon, 02+8 ° /12 °

5.7

+12 °

Cnap-Llwyd, Monday, 2 November

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

Average high12°C

Average low8°C

Average rainfall5.7 mm

Chance of rain60%

Warmest on record+16° (2005)

Coldest on record+1° (2018)

Tue, 03+8 ° /12 °

4.3

+12 °

Cnap-Llwyd, Tuesday, 3 November

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

Average high12°C

Average low8°C

Average rainfall4.3 mm

Chance of rain55%

Warmest on record+15° (2011)

Coldest on record+1° (1985)

Wed, 04+8 ° /11 °

3.1

+11 °

Cnap-Llwyd, Wednesday, 4 November

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

Average high11°C

Average low8°C

Average rainfall3.1 mm

Chance of rain48%

Warmest on record+15° (2025)

Coldest on record+0° (2006)

Thu, 05+8 ° /11 °

3.4

+11 °

Cnap-Llwyd, Thursday, 5 November

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

Average high11°C

Average low8°C

Average rainfall3.4 mm

Chance of rain47%

Warmest on record+16° (2025)

Coldest on record+3° (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 Cnap-Llwyd 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 Cnap-Llwyd 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.