October in Weymouth averages a daily high of 15.9°C with nights around 10.2°C. Expect roughly 15.4 wet days totalling 102.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Weymouth is June–September.
Based on SWANAGE, UK (35.4km), 1995–2024. 29 years of October data.