October weather forecast
Iowa, USA

October in Iowa is emblematic of full-blown autumn, with its cooler temperatures, vibrant foliage, and crisp air. As the month unfolds, daytime temperatures usually oscillate between 60°F (15.6°C) and 70°F (21.1°C), while nights introduce a chillier ambiance, as temperatures dip to between 40°F (4.4°C) and 50°F (10°C).

With the decline in temperatures comes a reduction in the frequency and intensity of rain showers. However, occasional short-lived showers might still grace the state, further enhancing the freshness of the fall season. These showers, though sparse, contribute to the deepening hues of the landscape as trees undergo their seasonal metamorphosis.

Contrasting with September, October sees a more evident drop in temperatures, particularly during nighttime. The sun, though still gracing the state with its presence, casts longer shadows and produces a softer, golden light. This unique lighting accentuates the fall colors, turning the Iowan landscape into a mosaic of reds, oranges, and yellows.

Areas like Sioux City, located in the northwestern part of the state, might start to experience the first hints of the approaching winter, especially towards the end of the month. Throughout Iowa, October is a celebration of autumn in all its glory. The month stands as a testament to nature's ability to transform, providing both a visual spectacle and a gentle reminder of the impending winter season.

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• Des Moines - October »
  With an average relative humidity of 70%, October is the least humid month in Des Moines, Iowa. With the onset of October, Des Moines experiences a distinct temperature drop, with the average high-temperature reducing from September's moderately hot 75.6°F (24.2°C) to a mild 60.6°F (15.9°C).
• Cedar Rapids - October »
  In Cedar Rapids during October, the rain falls for 9.6 days and regularly aggregates up to 1.46" (37mm) of precipitation. October is the least humid month in Cedar Rapids, with an average relative humidity of 73%.
• Davenport - October »
  With an average relative humidity of 71%, October is the least humid month in Davenport, Iowa. The least humid month in Davenport is October, with an average relative humidity of 71%.
• Sioux City - October »
  October is the least humid month in Sioux City with an average relative humidity of 65%. In Sioux City, in October, during 8.5 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.
• Iowa City - October »
  In Iowa City, in October, during 11.5 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. With an average relative humidity of 72%, October is the least humid month in Iowa City, Iowa.
• Waterloo - October »
  The least humid month in Waterloo, Iowa, is October, with an average relative humidity of 72%. In Waterloo, during October, the rain falls for 11.1 days and regularly aggregates up to 2.52" (64mm) of precipitation.
• Ames - October »
  The least humid month in Ames is October, with an average relative humidity of 70%. With an average relative humidity of 70%, October is the least humid month in Ames.
• West Des Moines - October »
  October is the least humid month in West Des Moines, Iowa, with an average relative humidity of 70%. October is the first month it typically snows in West Des Moines, Iowa.
• Council Bluffs - October »
  October is the least humid month in Council Bluffs, with an average relative humidity of 66%. In October, in Council Bluffs, the rain falls for 9.4 days.
• Dubuque - October »
  In Dubuque, Iowa, during October, the rain falls for 11.7 days and regularly aggregates up to 2.56" (65mm) of precipitation. October is the least humid month in Dubuque with an average relative humidity of 76%.
• Ankeny - October »
  October is the least humid month in Ankeny with an average relative humidity of 70%. January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Ankeny, Iowa.
• Urbandale - October »
  The least humid month in Urbandale, Iowa, is October, with an average relative humidity of 70%. In Urbandale, Iowa, in October, it is raining for 8.1 days, with typically 1.06" (27mm) of accumulated precipitation.