Johnson County (Iowa City)
October
Weather in Johnson County, Iowa for October 2025
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 22.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.9 °F by the end of October.
With an average of 5 rainy days, Johnson County experiences minimal rainfall in October.
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Temperatures
Rain 🌧️
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26
Dry days
5
Rainy days
0
Snow days
21°/8°
Temperatures
24 km/h
Avg max wind
58 %
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 | 20° /10° | 0 mm | 6 | |
| Oct. 2 |  Sunny | 22° /7° | 0 mm | 6 | |
| Oct. 3 |  Overcast | 23° /7° | 0 mm | 5 | |
| Oct. 4 | Sunny | 24° /13° | 0 mm | 6 | |
| Oct. 5 | Overcast | 30° /16° | 0 mm | 7 | |
| Oct. 6 | Sunny | 20° /12° | 0 mm | 6 | |
| Oct. 7 | Sunny | 20° /4° | 0 mm | 6 | |
| Oct. 8 | Sunny | 23° /6° | 0 mm | 6 | |
| Oct. 9 | Sunny | 26° /8° | 0 mm | 7 | |
| Oct. 10 | Sunny | 26° /8° | 0 mm | 7 | |
| Oct. 11 | Overcast | 28° /11° | 0 mm | 6 | |
| Oct. 12 |  Patchy rain possible | 24° /14° | 0.2 mm | 5 | |
| Oct. 13 | Overcast | 17° /8° | 0 mm | 4 | |
| Oct. 14 | Overcast | 11° /6° | 0 mm | 3 | |
| Oct. 15 | Partly cloudy | 13° /2° | 0 mm | 4 | |
| Oct. 16 | Sunny | 15° /-1° | 0 mm | 5 | |
| Oct. 17 | Sunny | 19° /2° | 0 mm | 5 | |
| Oct. 18 | Sunny | 21° /5° | 0 mm | 6 | |
| Oct. 19 | Sunny | 23° /5° | 0 mm | 6 | |
| Oct. 20 | Sunny | 27° /11° | 0 mm | 7 | |
| Oct. 21 | Sunny | 27° /10° | 0 mm | 7 | |
| Oct. 22 |  Moderate or heavy rain shower | 24° /13° | 2 mm | 5 | |
| Oct. 23 | Partly cloudy | 17° /8° | 0 mm | 5 | |
| Oct. 24 | Moderate or heavy rain shower | 16° /2° | 22.1 mm | 4 | |
| Oct. 25 | Overcast | 17° /8° | 4.8 mm | 4 | |
| Oct. 26 | Overcast | 15° /5° | 0 mm | 4 | |
| Oct. 27 | Partly cloudy | 16° /5° | 0 mm | 5 | |
| Oct. 28 | Overcast | 19° /8° | 0 mm | 4 | |
| Oct. 29 | Overcast | 25° /18° | 0 mm | 6 | |
| Oct. 30 |  Thundery outbreaks possible | 21° /18° | 8.8 mm | 5 | |
| 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.
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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 21° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Johnson County during October?
In October, Johnson County can expect light to moderate rainfall, totaling 47.2 mm across approximately 5 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Johnson County during October?
The average wind speed in Johnson County during October is 24 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 💧
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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