August in Omaha averages a daily high of 29.8°C with nights around 18.5°C. Expect roughly 8.9 wet days totalling 116.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Omaha is September–October.
Based on OMAHA EPPLEY AIRFIELD, NE US (7km), 1995–2024. 30 years of August data.