Johnson County (Iowa City)
October
Weather in Johnson County, Iowa for October 2026
Your guide to Johnson County weather in October - trends and predictions
In general, the average temperature in Johnson County at the beginning of October is 25 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.9 °C by the end of October.
The climate of Johnson County in October is notably wet, with an average of 11 rainy days, and a total of 93 mm of precipitation.
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Temperatures
Rain 🌧️
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20
Dry days
11
Rainy days
0
Snow days
20°/9°
Temperatures
23 km/h
Avg max wind
63 %
Avg humidity
Johnson County Weather October
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Temperatures trend during October in Johnson County
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October weather in Johnson County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Partly cloudy | 23° /11° | 0 mm | 6 | |
| Oct. 2 |  Sunny | 27° /10° | 0 mm | 7 | |
| Oct. 3 |  Overcast | 28° /11° | 0 mm | 7 | |
| Oct. 4 | Sunny | 27° /14° | 0 mm | 7 | |
| Oct. 5 | Overcast | 29° /15° | 0 mm | 7 | |
| Oct. 6 | Sunny | 20° /13° | 0 mm | 5 | |
| Oct. 7 | Sunny | 21° /7° | 0 mm | 6 | |
| Oct. 8 | Sunny | 22° /5° | 0 mm | 6 | |
| Oct. 9 | Sunny | 24° /5° | 0 mm | 6 | |
| Oct. 10 | Sunny | 22° /9° | 0 mm | 6 | |
| Oct. 11 | Overcast | 25° /7° | 0 mm | 6 | |
| Oct. 12 |  Patchy rain possible | 23° /11° | 0.1 mm | 5 | |
| Oct. 13 | Overcast | 19° /11° | 9.2 mm | 5 | |
| Oct. 14 | Overcast | 14° /10° | 0 mm | 4 | |
| Oct. 15 | Partly cloudy | 14° /8° | 5.2 mm | 4 | |
| Oct. 16 | Sunny | 21° /6° | 0 mm | 6 | |
| Oct. 17 | Sunny | 23° /9° | 0 mm | 6 | |
| Oct. 18 | Sunny | 23° /9° | 13.9 mm | 6 | |
| Oct. 19 | Sunny | 20° /5° | 13.1 mm | 6 | |
| Oct. 20 | Sunny | 25° /7° | 0 mm | 6 | |
| Oct. 21 | Sunny | 19° /8° | 0 mm | 5 | |
| Oct. 22 |  Moderate or heavy rain shower | 20° /7° | 1 mm | 5 | |
| Oct. 23 | Partly cloudy | 16° /4° | 0 mm | 5 | |
| Oct. 24 | Moderate or heavy rain shower | 15° /1° | 11.1 mm | 4 | |
| Oct. 25 | Overcast | 14° /8° | 2.4 mm | 4 | |
| Oct. 26 | Overcast | 15° /6° | 0 mm | 4 | |
| Oct. 27 | Partly cloudy | 16° /4° | 0 mm | 5 | |
| Oct. 28 | Overcast | 15° /8° | 9.1 mm | 4 | |
| Oct. 29 | Overcast | 18° /12° | 14.1 mm | 5 | |
| Oct. 30 |  Thundery outbreaks possible | 14° /11° | 4.4 mm | 4 | |
| Oct. 31 |  Light rain | 19° /6° | 9.3 mm | 4 | |
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Important Notice
Our weather forecast for Johnson County in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Johnson County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Johnson County in October - FAQ
What are the expected maximum and minimum temperatures in Johnson County during October?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Johnson County during October?
Moderate rainfall is anticipated in Johnson County during October, with a total of 93 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Johnson County during October?
The average wind speed in Johnson County during October is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Johnson County
Explore the daily rainfall trends and prepare for Johnson Countys October weather 💧
Typically, Johnson County has 11 rainy days in October with a total of 93 mm of rainfall.
UV exposure in Johnson County during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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Where is Johnson County?Get accurate weather forecasts for Johnson County, located at latitude 41.661 and longitude -91.53. Stay updated with localized weather information tailored for Johnson County.
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