As of 13:20 BST

Weather in Killyleagh

+12°

Killyleagh, Wednesday, 7 October, 13:20

Mainly clear. Feels like 11°C. High 12°C, low 6°C.

Pressure1017 mb

Wind3 mph NW

Humidity67%

Visibility6.2 mi

Dew point6°C

Detailed hourly forecast

The month ahead in Killyleagh: daytime temperatures averaging +12.8° and +7.6° overnight — that is 0.2° above the climate average for October. Rain is expected on 7 days (around 46 mm), against a normal of 7 days and 49 mm. The warmest day should be 12 October (+16.6°), the coolest 20 October (+4.3°).

+12.8°/+7.6°

Average day / night

+0.2°

Above average

7 / 7

Wet days / normal

46 mm

Rainfall this month

Ten-day blocks against the climate average

Period	Forecast (day)	Average	Difference
7 October – 16 October	+14°	+13°	+1°
17 October – 26 October	+10.8°	+12°	-1.2°
27 October – 5 November	near average	+11.2°	—

October records over 66 years

+19.9°10 October 2023All-time high

+1.6°29 October 2008All-time low

Climate averages and records are calculated from the nearest reference point — Downpatrick (9.3 km away).

Thu, 08+6 ° /14 °

2.4

+14 °

Killyleagh, Thursday, 8 October

Light rain. High 14°C, low 6°C.

Pressure1023 mb

Wind9 mph W

Humidity73%

Visibility6.2 mi

Dew point7°C

Fri, 09+10 ° /15 °

3.2

+15 °

Killyleagh, Friday, 9 October

Light rain. High 15°C, low 10°C.

Pressure1008 mb

Wind19 mph W

Humidity80%

Visibility6.2 mi

Dew point9°C

Sat, 10+9 ° /12 °

0.3

+12 °

Killyleagh, Saturday, 10 October

Light rain. High 12°C, low 9°C.

Pressure1008 mb

Wind22 mph W

Humidity70%

Visibility6.2 mi

Dew point6°C

Sun, 11+7 ° /13 °

+13 °

Killyleagh, Sunday, 11 October

Partly cloudy. High 13°C, low 7°C.

Pressure1014 mb

Wind7 mph W

Humidity77%

Visibility6.2 mi

Dew point8°C

Mon, 12+12 ° /17 °

2.9

+17 °

Killyleagh, Monday, 12 October

Light rain. High 17°C, low 12°C.

Pressure1008 mb

Wind21 mph S

Humidity95%

Visibility—

Dew point14°C

Tue, 13+9 ° /15 °

2.6

+15 °

Killyleagh, Tuesday, 13 October

Light rain. High 15°C, low 9°C.

Pressure1020 mb

Wind20 mph S

Humidity91%

Visibility—

Dew point11°C

Wed, 14+8 ° /13 °

+13 °

Killyleagh, Wednesday, 14 October

Mainly clear. High 13°C, low 8°C.

Pressure1030 mb

Wind8 mph S

Humidity65%

Visibility—

Dew point6°C

Thu, 15+10 ° /15 °

+15 °

Killyleagh, Thursday, 15 October

Overcast. High 15°C, low 10°C.

Pressure1021 mb

Wind17 mph S

Humidity95%

Visibility—

Dew point13°C

Fri, 16+13 ° /14 °

+14 °

Killyleagh, Friday, 16 October

Overcast. High 14°C, low 13°C.

Pressure1010 mb

Wind17 mph S

Humidity82%

Visibility—

Dew point11°C

Sat, 17+7 ° /13 °

6.3

+13 °

Killyleagh, Saturday, 17 October

Light rain. High 13°C, low 7°C.

Pressure1000 mb

Wind22 mph S

Humidity71%

Visibility—

Dew point7°C

Sun, 18+7 ° /9 °

25.8

+9 °

Killyleagh, Sunday, 18 October

Rain. High 9°C, low 7°C.

Pressure1001 mb

Wind16 mph S

Humidity94%

Visibility—

Dew point7°C

Mon, 19+5 ° /10 °

+10 °

Killyleagh, Monday, 19 October

Partly cloudy. High 10°C, low 5°C.

Pressure1000 mb

Wind8 mph NW

Humidity65%

Visibility—

Dew point3°C

Tue, 20+4 ° /10 °

0.4

+10 °

Killyleagh, Tuesday, 20 October

Light rain. High 10°C, low 4°C.

Pressure1002 mb

Wind12 mph NW

Humidity67%

Visibility—

Dew point4°C

Wed, 21+4 ° /11 °

+11 °

Killyleagh, Wednesday, 21 October

Clear sky. High 11°C, low 4°C.

Pressure1010 mb

Wind16 mph NW

Humidity68%

Visibility—

Dew point4°C

Thu, 22+5 ° /12 °

1.8

+12 °

Killyleagh, Thursday, 22 October

Light rain. High 12°C, low 5°C.

Pressure1013 mb

Wind14 mph NW

Humidity83%

Visibility—

Dew point8°C

Days 17 onward are based on 60-year climate statistics

Fri, 23+9 ° /12 °

2.8

+12 °

Killyleagh, Friday, 23 October

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

Average high12°C

Average low9°C

Average rainfall2.8 mm

Chance of rain50%

Warmest on record+16° (1971)

Coldest on record+2° (1987)

Sat, 24+9 ° /12 °

4.4

+12 °

Killyleagh, Saturday, 24 October

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

Average high12°C

Average low9°C

Average rainfall4.4 mm

Chance of rain47%

Warmest on record+16° (2005)

Coldest on record+3° (1987)

Sun, 25+8 ° /12 °

3.5

+12 °

Killyleagh, Sunday, 25 October

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

Average high12°C

Average low8°C

Average rainfall3.5 mm

Chance of rain43%

Warmest on record+16° (1969)

Coldest on record+2° (2010)

Mon, 26+8 ° /12 °

2.9

+12 °

Killyleagh, Monday, 26 October

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

Average high12°C

Average low8°C

Average rainfall2.9 mm

Chance of rain52%

Warmest on record+17° (2021)

Coldest on record+3° (1962)

Tue, 27+9 ° /12 °

4.2

+12 °

Killyleagh, Tuesday, 27 October

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

Average high12°C

Average low9°C

Average rainfall4.2 mm

Chance of rain52%

Warmest on record+16° (2005)

Coldest on record+3° (1992)

Wed, 28+8 ° /12 °

3.4

+12 °

Killyleagh, Wednesday, 28 October

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

Average high12°C

Average low8°C

Average rainfall3.4 mm

Chance of rain50%

Warmest on record+15° (2006)

Coldest on record+2° (2008)

Thu, 29+8 ° /11 °

3.4

+11 °

Killyleagh, Thursday, 29 October

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° (2022)

Coldest on record+2° (2008)

Fri, 30+8 ° /12 °

3.3

+12 °

Killyleagh, Friday, 30 October

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

Average high12°C

Average low8°C

Average rainfall3.3 mm

Chance of rain53%

Warmest on record+15° (1970)

Coldest on record+3° (1992)

Sat, 31+8 ° /12 °

4.4

+12 °

Killyleagh, Saturday, 31 October

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

Average high12°C

Average low8°C

Average rainfall4.4 mm

Chance of rain52%

Warmest on record+16° (1970)

Coldest on record+2° (1988)

Sun, 01+8 ° /11 °

+11 °

Killyleagh, Sunday, 1 November

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

Average high11°C

Average low8°C

Average rainfall4 mm

Chance of rain50%

Warmest on record+16° (2007)

Coldest on record+2° (2012)

Mon, 02+8 ° /11 °

3.4

+11 °

Killyleagh, Monday, 2 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 rain53%

Warmest on record+16° (1971)

Coldest on record+2° (1986)

Tue, 03+7 ° /11 °

2.6

+11 °

Killyleagh, Tuesday, 3 November

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

Average high11°C

Average low7°C

Average rainfall2.6 mm

Chance of rain38%

Warmest on record+16° (1979)

Coldest on record+1° (2006)

Wed, 04+7 ° /11 °

2.5

+11 °

Killyleagh, Wednesday, 4 November

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

Average high11°C

Average low7°C

Average rainfall2.5 mm

Chance of rain45%

Warmest on record+15° (1978)

Coldest on record+1° (1968)

Thu, 05+7 ° /11 °

2.6

+11 °

Killyleagh, Thursday, 5 November

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

Average high11°C

Average low7°C

Average rainfall2.6 mm

Chance of rain42%

Warmest on record+15° (2025)

Coldest on record+3° (1985)

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 Killyleagh 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 Killyleagh 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.