October in Richardson averages a daily high of 25.8°C with nights around 13.8°C. Expect roughly 7.6 wet days totalling 125.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Richardson is March–April.
Based on RICHARDSON, TX US (5.5km), 1995–2024. 19 years of October data.