What is Argyll and Loch Lomond mountain weather like in October?

Typical mountain and low-level wind, temperature and rainfall for October, based on 40 years of weather history.

40-year mountain climate

Typical high-ground conditions in October.

Historically, October has been one of the more demanding parts of the year on the high ground. Of 1,240 representative high-ground days, 14% were excellent or good, 51% were average, and 35% were poor or severe.

Dry days accounted for 39% of the sample, while extensive cloud affected 69%. These figures describe representative high ground around 1,011 metres, so coastal and low-level conditions can be milder.

Beechwood for a October trip to Argyll and Loch Lomond
October stays on Argyll and Loch Lomond

Beechwood

Helensburgh · Sleeps 4

Indicative catalogue price £417 for 7 nightsExact October prices and availability are checked after you choose a week.
Excellent or good14%Historically dry39%High-ground temperature4.0°CTypical maximum gust30 mphStronger days around 40 mph
Plan beyond the forecast

Choose an area and week.

Saturday dates are highlighted because they usually unlock the widest choice of seven-night cottage stays. Other arrival days still work.

Typical conditions, not a forecastThis describes representative high ground. A difficult hill day can still be suitable for a lower-level plan.
Week 41 · 10 October

What this week is typically like on Argyll and Loch Lomond high ground.

Across 280 comparable historical hill days, 16% were excellent or good and 25% were poor or severe.

Check the live Argyll and Loch Lomond forecast →
Historically excellent or good16%280 comparable days
Excellent1%Good15%Average59%Poor22%Severe3%
Historically dry47% of daysTypical daily max gust28 mphStronger days around 37 mphTypical high ground4.6°C24-hour mean near 1,011 mExtensive cloud65% of days

October context: 14% of days across the month were excellent or good; 35% were poor or severe. Read the full October guide.

Valley and low level for this week

Around Arrochar.

Representative base · 15 m
Typical daily high13.5°CWarmer days 14.9°CHistorically dry47%47% dry with lighter windMaximum wind11 mphStronger days 14 mphTypical overnight low8.5°CCooler nights 5.6°C
Planning a different time of year?Compare Argyll and Loch Lomond month by month
Valleys and trip bases

Low-level weather around Arrochar in October.

Arrochar, at roughly 15 metres, provides a practical low-level reference for Argyll and Loch Lomond. Across 1,240 historical days, the typical daytime high was 13.0°C, with warmer days around 14.7°C.

About 39% of days were dry and 38% combined dry weather with lighter winds. Conditions vary across glens, coasts and villages, so this should be used as regional trip-planning guidance rather than a forecast for every location.

Typical daily high13.0°CWarmer days around 14.7°CTypical overnight low8.1°CCooler nights around 4.7°CHistorically dry39%25% had 10 mm+ rainTypical maximum wind11 mphStronger days around 15 mph
January to December

Argyll and Loch Lomond weather by month.

Each month has a detailed guide comparing high-ground hill days with typical conditions at a representative valley or low-level trip base.

20 mountain areas

Compare another part of the UK.

Each page includes weekly and monthly high-ground and low-level climate summaries, a highlighted Saturday planner and nearby accommodation.