As of 07:02 BST

Weather in Bac

+5°

Bac, Wednesday, 7 October, 07:02

Overcast. Feels like 3°C. High 10°C, low 5°C.

Pressure1012 mb

Wind5 mph SW

Humidity93%

Visibility6.2 mi

Dew point4°C

Detailed hourly forecast

The month ahead in Bac: daytime temperatures averaging +12.3° and +8.7° overnight — that is 0.9° above the climate average for October. Rain is expected on 10 days (around 103 mm), against a normal of 9 days and 50 mm. The warmest day should be 13 October (+15.7°), the coolest 7 October (+4.8°).

+12.3°/+8.7°

Average day / night

+0.9°

Above average

10 / 9

Wet days / normal

103 mm

Rainfall this month

Ten-day blocks against the climate average

Period	Forecast (day)	Average	Difference
7 October – 16 October	+12.5°	+11.7°	+0.8°
17 October – 26 October	+12°	+10.8°	+1.3°
27 October – 5 November	near average	+10°	—

October records over 66 years

+18.6°13 October 1990All-time high

+0.3°20 October 1998All-time low

Climate averages and records are calculated from the nearest reference point — Stornoway / Steòrnabhagh (9.7 km away).

Thu, 08+6 ° /12 °

14.1

+12 °

Bac, Thursday, 8 October

Rain. High 12°C, low 6°C.

Pressure1017 mb

Wind11 mph S

Humidity65%

Visibility6.2 mi

Dew point4°C

Fri, 09+8 ° /12 °

8.2

+12 °

Bac, Friday, 9 October

Rain. High 12°C, low 8°C.

Pressure997 mb

Wind17 mph W

Humidity67%

Visibility6.1 mi

Dew point5°C

Sat, 10+7 ° /11 °

7.4

+11 °

Bac, Saturday, 10 October

Light rain. High 11°C, low 7°C.

Pressure997 mb

Wind22 mph NW

Humidity73%

Visibility6.2 mi

Dew point6°C

Sun, 11+7 ° /11 °

0.3

+11 °

Bac, Sunday, 11 October

Light rain. High 11°C, low 7°C.

Pressure1012 mb

Wind9 mph NW

Humidity63%

Visibility—

Dew point3°C

Mon, 12+8 ° /13 °

9.2

+13 °

Bac, Monday, 12 October

Rain. High 13°C, low 8°C.

Pressure1004 mb

Wind22 mph S

Humidity92%

Visibility—

Dew point10°C

Tue, 13+9 ° /16 °

+16 °

Bac, Tuesday, 13 October

Rain. High 16°C, low 9°C.

Pressure1012 mb

Wind35 mph S

Humidity72%

Visibility—

Dew point7°C

Wed, 14+11 ° /14 °

9.2

+14 °

Bac, Wednesday, 14 October

Rain. High 14°C, low 11°C.

Pressure1019 mb

Wind33 mph S

Humidity74%

Visibility—

Dew point8°C

Thu, 15+10 ° /14 °

16.1

+14 °

Bac, Thursday, 15 October

Rain. High 14°C, low 10°C.

Pressure1017 mb

Wind36 mph SW

Humidity79%

Visibility—

Dew point8°C

Fri, 16+12 ° /14 °

8.4

+14 °

Bac, Friday, 16 October

Rain. High 14°C, low 12°C.

Pressure1002 mb

Wind37 mph S

Humidity89%

Visibility—

Dew point11°C

Sat, 17+10 ° /14 °

14.5

+14 °

Bac, Saturday, 17 October

Rain. High 14°C, low 10°C.

Pressure1002 mb

Wind30 mph S

Humidity66%

Visibility—

Dew point5°C

Sun, 18+10 ° /11 °

+11 °

Bac, Sunday, 18 October

Overcast. High 11°C, low 10°C.

Pressure1021 mb

Wind13 mph SW

Humidity68%

Visibility—

Dew point6°C

Mon, 19+8 ° /10 °

+10 °

Bac, Monday, 19 October

Overcast. High 10°C, low 8°C.

Pressure1026 mb

Wind9 mph N

Humidity71%

Visibility—

Dew point5°C

Tue, 20+7 ° /12 °

+12 °

Bac, Tuesday, 20 October

Overcast. High 12°C, low 7°C.

Pressure1030 mb

Wind11 mph SW

Humidity68%

Visibility—

Dew point5°C

Wed, 21+10 ° /13 °

+13 °

Bac, Wednesday, 21 October

Partly cloudy. High 13°C, low 10°C.

Pressure1030 mb

Wind12 mph SW

Humidity90%

Visibility—

Dew point11°C

Thu, 22+10 ° /13 °

+13 °

Bac, Thursday, 22 October

Overcast. High 13°C, low 10°C.

Pressure1029 mb

Wind5 mph S

Humidity83%

Visibility—

Dew point9°C

Days 17 onward are based on 60-year climate statistics

Fri, 23+8 ° /11 °

3.8

+11 °

Bac, Friday, 23 October

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

Average high11°C

Average low8°C

Average rainfall3.8 mm

Chance of rain60%

Warmest on record+15° (1996)

Coldest on record+3° (1964)

Sat, 24+7 ° /11 °

3.4

+11 °

Bac, Saturday, 24 October

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

Average high11°C

Average low7°C

Average rainfall3.4 mm

Chance of rain60%

Warmest on record+15° (1995)

Coldest on record+2° (2002)

Sun, 25+7 ° /10 °

4.4

+10 °

Bac, Sunday, 25 October

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

Average high10°C

Average low7°C

Average rainfall4.4 mm

Chance of rain57%

Warmest on record+14° (1975)

Coldest on record+1° (1992)

Mon, 26+7 ° /11 °

4.1

+11 °

Bac, Monday, 26 October

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

Average high11°C

Average low7°C

Average rainfall4.1 mm

Chance of rain60%

Warmest on record+14° (2005)

Coldest on record+2° (1962)

Tue, 27+7 ° /11 °

3.8

+11 °

Bac, Tuesday, 27 October

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

Average high11°C

Average low7°C

Average rainfall3.8 mm

Chance of rain73%

Warmest on record+17° (2005)

Coldest on record+1° (1970)

Wed, 28+7 ° /10 °

3.4

+10 °

Bac, Wednesday, 28 October

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

Average high10°C

Average low7°C

Average rainfall3.4 mm

Chance of rain65%

Warmest on record+16° (2005)

Coldest on record+0° (2008)

Thu, 29+7 ° /10 °

3.5

+10 °

Bac, Thursday, 29 October

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

Average high10°C

Average low7°C

Average rainfall3.5 mm

Chance of rain50%

Warmest on record+14° (2009)

Coldest on record+2° (1962)

Fri, 30+7 ° /11 °

5.1

+11 °

Bac, Friday, 30 October

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

Average high11°C

Average low7°C

Average rainfall5.1 mm

Chance of rain73%

Warmest on record+15° (2009)

Coldest on record+2° (1990)

Sat, 31+8 ° /10 °

4.4

+10 °

Bac, Saturday, 31 October

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

Average high10°C

Average low8°C

Average rainfall4.4 mm

Chance of rain63%

Warmest on record+15° (2014)

Coldest on record+3° (2019)

Sun, 01+7 ° /10 °

3.2

+10 °

Bac, Sunday, 1 November

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

Average high10°C

Average low7°C

Average rainfall3.2 mm

Chance of rain65%

Warmest on record+14° (2007)

Coldest on record+3° (2003)

Mon, 02+7 ° /10 °

+10 °

Bac, Monday, 2 November

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

Average high10°C

Average low7°C

Average rainfall3 mm

Chance of rain50%

Warmest on record+14° (1971)

Coldest on record+1° (1998)

Tue, 03+7 ° /10 °

3.3

+10 °

Bac, Tuesday, 3 November

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

Average high10°C

Average low7°C

Average rainfall3.3 mm

Chance of rain63%

Warmest on record+14° (2011)

Coldest on record+2° (1985)

Wed, 04+6 ° /10 °

+10 °

Bac, Wednesday, 4 November

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

Average high10°C

Average low6°C

Average rainfall3 mm

Chance of rain60%

Warmest on record+13° (1978)

Coldest on record+2° (1968)

Thu, 05+6 ° /9 °

2.7

+9 °

Bac, Thursday, 5 November

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

Average high9°C

Average low6°C

Average rainfall2.7 mm

Chance of rain53%

Warmest on record+14° (2003)

Coldest on record+1° (2017)

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 Bac 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 Bac 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.