October in Bletchley averages a daily high of 15.5°C with nights around 8.3°C. Expect roughly 14.3 wet days totalling 76.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Bletchley is June–September.
Based on OXFORD, UK (44.4km), 1995–2024. 30 years of October data.