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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Media Grid UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for Cumnock before heading out; conditions can shift quickly with the area’s Atlantic influence, so the latest data gives you the most reliable view for the next few hours.
What is the outlook for Cumnock this week?
Temperatures in Cumnock will hover around 6–9°C through the middle of the week, with overnight lows dropping to 2–4°C. That means a chilly, damp feel under mostly cloudy skies, though rain should be light and patchy. Wind from the southwest at 15–20 mph will keep it brisk, especially on higher ground near the Ayrshire hills.
Will the weekend bring a change for Cumnock?
By Saturday, a weak ridge of high pressure may lift cloud cover, giving brief sunny spells and a high near 8°C. Sunday looks cloudier again with a chance of drizzle. For those checking bbc weather cumnock 14 days, the long-range signal suggests a return to unsettled westerly flow early next week, so don’t put the waterproof away yet.
How accurate is the bbc weather forecast for Cumnock?
The BBC’s 3-day forecast for Cumnock typically achieves 80–85% accuracy for temperature and general conditions; precision drops beyond day 5, so treat bbc weather du (day 14) as a trend indicator rather than a guarantee.
What does “met office weather new cumnock” mean?
New Cumnock is a separate village 5 miles south of Cumnock. The Met Office issues a distinct forecast for New Cumnock, which can differ slightly in rainfall and wind due to local valley effects.
Is Cumnock likely to see frost this week?
Overnight lows of 2–4°C mean a ground frost is possible on clearer nights, especially Wednesday and Thursday mornings. Protect any tender plants and take care on untreated roads.
For the wider picture, see our UK weather hub or check Glasgow Weather for regional trends. The 10 Day Weather Forecast UK page also covers longer-range outlooks for Scotland.