Typical Weather in Sioux City, IA in October
63° F Avg High
38° F Avg Low
5 Rainy Days
☀️ Temperature Summary
October is one of the warmer months of the year for Sioux City, with highs averaging around 63°F. You can expect overnight lows near 38°F most days. Temperatures will usually fall as the month goes on, with daily high temperatures ranging between 70°F and 55°F.
October is a great time to visit Sioux City, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
In October you can expect close to a 16% chance of rain for any given day. It rains more than usual in October, with total rainfall for the month typically near 3 inches.
Rainfall Throughout the Year
Planning a trip to Sioux City? Try our free trip weather planner