Home › Weather › Loch Lomond Weather
Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Headlines UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above before heading out, as conditions on Loch Lomond can shift quickly with rain and wind moving in from the west. Plan for layers and waterproofs, especially if you’re walking or boating.
What is the weather typically like at Loch Lomond?
Loch Lomond sits in a valley that funnels Atlantic weather systems, so it often sees more rain than nearby Glasgow. Summers are mild, with daytime highs around 18–20°C, but cloud and showers are common. Winters are cold and damp, with occasional snow on the surrounding hills. Wind from the southwest can make the loch choppy, especially in the afternoon.
How does the weather vary between the loch and the hills?
The loch shore is usually a few degrees warmer and less windy than the higher slopes. Ben Lomond and the Arrochar Alps create their own weather, often trapping cloud and rain. If you plan to climb, always check the mountain forecast separately. The loch itself can be calm in the morning but gusty by midday, so kayakers and sailors should watch the live forecast above for wind speeds.
What is the weather in Loch Lomond tomorrow likely to be?
Check the live forecast above for the most accurate hourly details. Generally, tomorrow’s conditions follow the same pattern as today – expect a mix of cloud and showers, with the chance of sunny spells later in the day.
Where can I find a reliable 14-day forecast for Loch Lomond?
The Met Office and BBC Weather both provide 10‑ to 14‑day outlooks, but confidence drops significantly after day 5. For longer planning, a 21‑day forecast is only useful as a broad trend – always re‑check a few days before your trip.
Is it safe to swim in Loch Lomond in all weather?
Only swim in designated areas and avoid the water during strong winds, thunderstorms, or after heavy rain when currents can be dangerous. Always check the live forecast above and local safety advice at the visitor centre.
For a wider view of conditions across Scotland, see the Glasgow Weather page or the 10‑day forecast for the UK. If you are planning a trip further ahead, the UK weather hub has regional breakdowns.