Chicago Weather in October

October in Chicago typically sees daytime highs of 17°C (63°F) and nighttime lows of 7°C (45°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Chicago in October

Climate statistics over the past 30 years suggest around 12 days of rain, with 76 mm (3 in) average for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Chicago in October

Expect highs of 17°C (63°F) in Chicago in October, with nights dropping to around 7°C (45°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 7°C (45°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Chicago in October

There are approximately 195 hours of sunshine this month, resulting in mostly clear days.

Wind Speed in Chicago in October

Average wind conditions reach 5 m/s (10 knots) in October. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. September typically offers the best weather for Chicago.