London Weather Forecast October 2024 Celsius. With the commencement of october, london records a moderate temperature decline, with the average high easing from september's comfortable 19°c (66.2°f) to a. On the first day of october in city of.

Daily high temperatures decrease by 7°f, from 63°f to 56°f, rarely falling below 50°f or exceeding 69°f. London 7 day weather forecast including weather warnings, temperature, rain, wind, visibility, humidity and uv